ORM重构

Aria/src/main/java/com/arialyy/aria/core/AriaManager.java

@@ -41,7 +41,7 @@ import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadReceiver;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.DbUtil;
+import com.arialyy.aria.orm.DelegateWrapper;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
@@ -77,7 +77,7 @@ import org.xml.sax.SAXException;
   private Configuration.UploadConfig mUConfig;
 
   private AriaManager(Context context) {
-    DbUtil.init(context.getApplicationContext());
+    DelegateWrapper.init(context.getApplicationContext());
     APP = context.getApplicationContext();
     regAppLifeCallback(context);
     initConfig();

Aria/src/main/java/com/arialyy/aria/core/command/normal/CancelAllCmd.java

@@ -16,13 +16,7 @@
 
 package com.arialyy.aria.core.command.normal;
 
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.core.upload.UploadTaskEntity;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.List;
 
 /**
  * Created by AriaL on 2017/6/27.
@@ -44,46 +38,5 @@ public class CancelAllCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
 
   @Override public void executeCmd() {
     removeAll();
-    if (mTaskEntity instanceof DownloadTaskEntity
-        || mTaskEntity instanceof DownloadGroupTaskEntity) {
-      handleDownloadRemove();
-      handleDownloadGroupRemove();
-    } else if (mTaskEntity instanceof UploadTaskEntity) {
-      handleUploadRemove();
-      handleUploadRemove();
-    }
-  }
-
-  /**
-   * 处理下载任务组的删除操作
-   */
-  private void handleDownloadGroupRemove() {
-    List<DownloadGroupTaskEntity> allEntity = DbEntity.findAllData(DownloadGroupTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (DownloadGroupTaskEntity entity : allEntity) {
-      CommonUtil.delDownloadGroupTaskConfig(removeFile, entity);
-    }
-  }
-
-  /**
-   * 处理上传的删除
-   */
-  private void handleUploadRemove() {
-    List<UploadTaskEntity> allEntity = DbEntity.findAllData(UploadTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (UploadTaskEntity entity : allEntity) {
-      CommonUtil.delUploadTaskConfig(removeFile, entity);
-    }
-  }
-
-  /**
-   * 处理下载的删除
-   */
-  private void handleDownloadRemove() {
-    List<DownloadTaskEntity> allEntity = DbEntity.findAllData(DownloadTaskEntity.class);
-    if (allEntity == null || allEntity.size() == 0) return;
-    for (DownloadTaskEntity entity : allEntity) {
-      CommonUtil.delDownloadTaskConfig(removeFile, entity);
-    }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/normal/StartCmd.java

@@ -77,7 +77,6 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
             || task.getState() == IEntity.STATE_OTHER
             || task.getState() == IEntity.STATE_POST_PRE
             || task.getState() == IEntity.STATE_COMPLETE) {
-          //startTask();
           resumeTask();
         } else {
           sendWaitState();
@@ -85,7 +84,6 @@ class StartCmd<T extends AbsTaskEntity> extends AbsNormalCmd<T> {
       }
     } else {
       if (!task.isRunning()) {
-        //startTask();
         resumeTask();
       }
     }

Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java

@@ -18,11 +18,13 @@ package com.arialyy.aria.core.common;
 import android.content.Context;
 import android.util.SparseArray;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IDownloadListener;
 import com.arialyy.aria.core.inf.IEventListener;
+import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CommonUtil;
@@ -89,7 +91,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     }
   }
 
-
   @Override public void run() {
     if (mConstance.isRunning) {
       return;
@@ -193,9 +194,11 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
       }
     }
     if (mTaskEntity instanceof DownloadTaskEntity) {
-      CommonUtil.delDownloadTaskConfig(mTaskEntity.removeFile, (DownloadTaskEntity) mTaskEntity);
+      CommonUtil.delDownloadTaskConfig(mTaskEntity.removeFile,
+          (DownloadEntity) mTaskEntity.getEntity());
     } else if (mTaskEntity instanceof UploadTaskEntity) {
-      CommonUtil.delUploadTaskConfig(mTaskEntity.removeFile, (UploadTaskEntity) mTaskEntity);
+      CommonUtil.delUploadTaskConfig(mTaskEntity.removeFile,
+          (UploadEntity) mTaskEntity.getEntity());
     }
   }
 
@@ -226,7 +229,6 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     start();
   }
 
-
   /**
    * 检查任务是否是新任务，新任务条件：
    * 1、文件不存在

Aria/src/main/java/com/arialyy/aria/core/common/TaskRecord.java

@@ -21,7 +21,7 @@ import com.arialyy.aria.orm.DbEntity;
  * Created by laoyuyu on 2018/3/21.
  * 任务上传或下载的记录
  */
-class TaskRecord extends DbEntity{
+class TaskRecord extends DbEntity {
   /**
    * 任务线程数
    */

Aria/src/main/java/com/arialyy/aria/core/delegate/HttpHeaderDelegate.java

@@ -63,10 +63,8 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
     }
     if (mTaskEntity.headers.get(key) == null) {
       mTaskEntity.headers.put(key, value);
-      mTaskEntity.update();
     } else if (!mTaskEntity.headers.get(key).equals(value)) {
       mTaskEntity.headers.put(key, value);
-      mTaskEntity.update();
     }
     return mTarget;
   }
@@ -122,7 +120,6 @@ public class HttpHeaderDelegate<TARGET extends ITarget, ENTITY extends AbsEntity
       for (String key : keys) {
         mTaskEntity.headers.put(key, headers.get(key));
       }
-      mTaskEntity.update();
     }
 
     return mTarget;

Aria/src/main/java/com/arialyy/aria/core/download/BaseGroupTarget.java

@@ -18,7 +18,6 @@ package com.arialyy.aria.core.download;
 import android.text.TextUtils;
 import com.arialyy.aria.core.manager.SubTaskManager;
 import com.arialyy.aria.core.queue.DownloadGroupTaskQueue;
-import com.arialyy.aria.core.queue.DownloadTaskQueue;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
 import java.io.File;
@@ -29,7 +28,6 @@ import java.util.List;
  */
 abstract class BaseGroupTarget<TARGET extends BaseGroupTarget>
     extends AbsDownloadTarget<TARGET, DownloadGroupEntity, DownloadGroupTaskEntity> {
-  private static final String TAG = "BaseGroupTarget";
 
   /**
    * 组任务名
@@ -60,7 +58,6 @@ abstract class BaseGroupTarget<TARGET extends BaseGroupTarget>
   public TARGET setGroupAlias(String alias) {
     if (TextUtils.isEmpty(alias)) return (TARGET) this;
     mEntity.setAlias(alias);
-    mEntity.update();
     return (TARGET) this;
   }
 
@@ -158,7 +155,6 @@ abstract class BaseGroupTarget<TARGET extends BaseGroupTarget>
       }
       mEntity.setDirPath(dirPath);
       reChangeDirPath(dirPath);
-      mEntity.update();
     }
 
     return true;

Aria/src/main/java/com/arialyy/aria/core/download/BaseNormalTarget.java

@@ -29,7 +29,6 @@ import java.io.File;
 abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
     extends AbsDownloadTarget<TARGET, DownloadEntity, DownloadTaskEntity> {
 
-  private static final String TAG = "BaseNormalTarget";
   /**
    * 资源地址
    */
@@ -42,9 +41,6 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
     this.url = url;
     mTargetName = targetName;
     mTaskEntity = TEManager.getInstance().getTEntity(DownloadTaskEntity.class, url);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(DownloadTaskEntity.class, url);
-    }
     mEntity = mTaskEntity.entity;
     mTaskEntity.refreshInfo = refreshInfo;
     if (mEntity != null) {
@@ -110,7 +106,11 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
    * @return {@code true}合法
    */
   @Override protected boolean checkEntity() {
-    return getTargetType() < GROUP_HTTP && checkUrl() && checkFilePath();
+    boolean b = getTargetType() < GROUP_HTTP && checkUrl() && checkFilePath();
+    if (b) {
+      mTaskEntity.save(mEntity);
+    }
+    return b;
   }
 
   /**
@@ -149,7 +149,7 @@ abstract class BaseNormalTarget<TARGET extends BaseNormalTarget>
         mEntity.setDownloadPath(filePath);
         mEntity.setFileName(newFile.getName());
         mTaskEntity.key = filePath;
-        mTaskEntity.update();
+        //mTaskEntity.update();
         CommonUtil.renameDownloadConfig(oldFile.getName(), newFile.getName());
       }
     }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadEntity.java

@@ -21,8 +21,8 @@ import android.os.Parcelable;
 import android.text.TextUtils;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.Foreign;
+import com.arialyy.aria.orm.annotation.Foreign;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.annotation.Primary;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
@@ -35,12 +35,7 @@ public class DownloadEntity extends AbsNormalEntity implements Parcelable {
   /**
    * 所属任务组
    */
-  @Foreign(table = DownloadGroupEntity.class, column = "groupName") private String groupName = "";
+  @Foreign(parent = DownloadGroupEntity.class, column = "groupName") private String groupName = "";
-
-  /**
-   * 下载任务实体的key
-   */
-  @Foreign(table = DownloadTaskEntity.class, column = "key") private String taskKey = "";
 
   /**
    * 从服务器的返回信息中获取的文件md5信息，如果服务器没有返回，则不会设置该信息

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupEntity.java

@@ -18,8 +18,7 @@ package com.arialyy.aria.core.download;
 import android.os.Parcel;
 import com.arialyy.aria.core.inf.AbsGroupEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.OneToMany;
+import com.arialyy.aria.orm.annotation.Ignore;
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -28,8 +27,11 @@ import java.util.List;
  */
 public class DownloadGroupEntity extends AbsGroupEntity {
 
-  @OneToMany(table = DownloadEntity.class, key = "groupName") private List<DownloadEntity> subtask =
+  //@OneToMany(table = DownloadEntity.class, key = "groupName") private List<DownloadEntity> subtask =
-      new ArrayList<>();
+  //    new ArrayList<>();
+
+  @Ignore
+  private List<DownloadEntity> subtask;
 
   /**
    * 任务组下载文件的文件夹地址

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTarget.java

@@ -24,16 +24,13 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
-import java.util.WeakHashMap;
 
 /**
  * Created by AriaL on 2017/6/29.
  * 下载任务组
  */
 public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
-  private final String TAG = "DownloadGroupTarget";
   /**
    * 子任务下载地址，
    */
@@ -50,12 +47,8 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
       this.mUrls.addAll(groupEntity.getUrls());
     }
     mGroupName = CommonUtil.getMd5Code(groupEntity.getUrls());
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, mGroupName);
+    mTaskEntity = TEManager.getInstance().getGTEntity(DownloadGroupTaskEntity.class, mUrls);
-    if (mTaskEntity == null) {
+    mEntity = mTaskEntity.getEntity();
-      mTaskEntity =
-          TEManager.getInstance().createTEntity(DownloadGroupTaskEntity.class, groupEntity);
-    }
-    mEntity = mTaskEntity.entity;
 
     if (mEntity != null) {
       mDirPathTemp = mEntity.getDirPath();
@@ -66,11 +59,8 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
     this.mTargetName = targetName;
     this.mUrls = urls;
     mGroupName = CommonUtil.getMd5Code(urls);
-    mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, mGroupName);
+    mTaskEntity = TEManager.getInstance().getGTEntity(DownloadGroupTaskEntity.class, mUrls);
-    if (mTaskEntity == null) {
+    mEntity = mTaskEntity.getEntity();
-      mTaskEntity = TEManager.getInstance().createGTEntity(DownloadGroupTaskEntity.class, mUrls);
-    }
-    mEntity = mTaskEntity.entity;
   }
 
   /**
@@ -88,7 +78,6 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
     }
     if (mEntity.getFileSize() <= 1 || mEntity.getFileSize() != fileSize) {
       mEntity.setFileSize(fileSize);
-      mEntity.update();
     }
     return this;
   }
@@ -137,7 +126,8 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
       entity.setGroupName(mGroupName);
       entity.setGroupChild(true);
       entity.setFileName(fileName);
-      entity.insert();
+      // TODO: 2018/4/3 是否需要在这个插入？
+      //entity.insert();
       list.add(entity);
     }
     return list;
@@ -164,7 +154,6 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
       //文件夹路径通过后，并且该实体没有子任务，则创建子任务
       if (mEntity.getSubTask() == null || mEntity.getSubTask().isEmpty()) {
         mEntity.setSubTasks(createSubTask());
-        mTaskEntity.update();
       } else {
         updateSingleSubFileName();
       }
@@ -230,7 +219,6 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
     }
 
     mEntity.setGroupName(CommonUtil.getMd5Code(mUrls));
-    mEntity.update();
 
     return true;
   }
@@ -251,7 +239,8 @@ public class DownloadGroupTarget extends BaseGroupTarget<DownloadGroupTarget> {
           "UPDATE DownloadTaskEntity SET key='" + newPath + "' WHERE key='" + oldPath + "'");
       entity.setDownloadPath(newPath);
       entity.setFileName(newName);
-      entity.update();
+      // TODO: 2018/4/3 是否需要在这个更新？
+      //entity.update();
     }
   }
 

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskEntity.java

@@ -16,24 +16,42 @@
 package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
-import com.arialyy.aria.orm.OneToOne;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Ignore;
+import com.arialyy.aria.orm.annotation.Primary;
 
 /**
  * Created by AriaL on 2017/7/1.
  */
 public class DownloadGroupTaskEntity extends AbsGroupTaskEntity<DownloadGroupEntity> {
 
-  @OneToOne(table = DownloadGroupEntity.class, key = "groupName") public DownloadGroupEntity entity;
+  @Ignore private DownloadGroupEntity entity;
+
+  @Primary @Foreign(parent = DownloadGroupEntity.class, column = "groupName")
+  private String key;
 
   @Override public DownloadGroupEntity getEntity() {
     return entity;
   }
 
+  public void setEntity(DownloadGroupEntity entity) {
+    this.entity = entity;
+  }
+
+  @Override public String getKey() {
+    return key;
+  }
+
+  public void setKey(String key) {
+    this.key = key;
+  }
 
-  public void save(DownloadGroupEntity groupEntity){
+  public void save(DownloadGroupEntity groupEntity) {
-    key = groupEntity.getKey();
+    if (groupEntity != null) {
-    entity = groupEntity;
+      key = groupEntity.getKey();
-    groupEntity.save();
+      entity = groupEntity;
+      groupEntity.save();
+    }
     save();
   }
 }

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskWrapper.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class DownloadGroupTaskWrapper extends AbsWrapper {
+
+  @One
+  public DownloadGroupEntity entity;
+
+  @Many(parentColumn = "key", entityColumn = "groupName")
+  private List<DownloadGroupTaskEntity> taskEntitys;
+
+  public DownloadGroupTaskEntity taskEntity;
+
+  @Override protected void handleConvert() {
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.setEntity(entity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupWrapper.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class DownloadGroupWrapper extends AbsWrapper {
+
+  @One
+  public DownloadGroupEntity groupEntity;
+
+  @Many(parentColumn = "groupName", entityColumn = "groupName")
+  public List<DownloadEntity> subEntity;
+
+  @Override protected void handleConvert() {
+    if (subEntity != null && !subEntity.isEmpty()) {
+      groupEntity.setSubTasks(subEntity);
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java

@@ -25,9 +25,11 @@ import com.arialyy.aria.core.common.ProxyHelper;
 import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsReceiver;
 import com.arialyy.aria.core.inf.AbsTarget;
+import com.arialyy.aria.core.manager.TEManager;
 import com.arialyy.aria.core.scheduler.DownloadGroupSchedulers;
 import com.arialyy.aria.core.scheduler.DownloadSchedulers;
 import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.util.ALog;
 import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.ArrayList;
@@ -106,14 +108,14 @@ public class DownloadReceiver extends AbsReceiver {
    * </pre>
    */
   @Deprecated public DownloadTarget load(@NonNull String url, boolean refreshInfo) {
-    url = CheckUtil.checkUrl(url);
+    CheckUtil.checkUrlInvalidThrow(url);
     return new DownloadTarget(url, targetName, refreshInfo);
   }
 
   /**
    * 加载下载地址，如果任务组的中的下载地址改变了，则任务从新的一个任务组
    *
-   * @param urls 人刷谁
+   * @param urls 任务组子任务下载地址列表
    */
   @Deprecated
   public DownloadGroupTarget load(List<String> urls) {
@@ -173,7 +175,7 @@ public class DownloadReceiver extends AbsReceiver {
    * @param refreshInfo 是否刷新下载信息
    */
   public FtpDownloadTarget loadFtp(@NonNull String url, boolean refreshInfo) {
-    url = CheckUtil.checkUrl(url);
+    CheckUtil.checkUrlInvalidThrow(url);
     return new FtpDownloadTarget(url, targetName, refreshInfo);
   }
 
@@ -203,7 +205,7 @@ public class DownloadReceiver extends AbsReceiver {
    * 加载ftp文件夹下载地址
    */
   public FtpDirDownloadTarget loadFtpDir(@NonNull String dirUrl) {
-    dirUrl = CheckUtil.checkUrl(dirUrl);
+    CheckUtil.checkUrlInvalidThrow(dirUrl);
     return new FtpDirDownloadTarget(dirUrl, targetName);
   }
 
@@ -257,39 +259,55 @@ public class DownloadReceiver extends AbsReceiver {
 
   /**
    * 通过下载链接获取下载实体
+   *
+   * @return 如果url错误或查找不到数据，则返回null
    */
   public DownloadEntity getDownloadEntity(String downloadUrl) {
-    downloadUrl = CheckUtil.checkUrl(downloadUrl);
+    if (CheckUtil.checkUrl(downloadUrl)) {
+      return null;
+    }
     return DbEntity.findFirst(DownloadEntity.class, "url=? and isGroupChild='false'", downloadUrl);
   }
 
   /**
-   * 通过下载链接获取保存在数据库的下载任务实体
+   * 通过下载地址和文件保存路径获取下载任务实体
+   *
+   * @param downloadUrl 下载地址
+   * @return 如果url错误或查找不到数据，则返回null
    */
   public DownloadTaskEntity getDownloadTask(String downloadUrl) {
-    downloadUrl = CheckUtil.checkUrl(downloadUrl);
+    if (CheckUtil.checkUrl(downloadUrl)) {
-    DownloadEntity entity = getDownloadEntity(downloadUrl);
+      return null;
-    if (entity == null || TextUtils.isEmpty(entity.getDownloadPath())) return null;
+    }
-    return DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false'",
+    return TEManager.getInstance().getTEntity(DownloadTaskEntity.class, downloadUrl);
-        entity.getDownloadPath());
   }
 
   /**
    * 通过下载链接获取保存在数据库的下载任务组实体
+   *
+   * @param urls 任务组子任务下载地址列表
+   * @return 返回对应的任务组实体；如果查找不到对应的数据或子任务列表为null，返回null
    */
-  public DownloadGroupTaskEntity getDownloadGroupTask(List<String> urls) {
+  public DownloadGroupTaskEntity getGroupTask(List<String> urls) {
-    CheckUtil.checkDownloadUrls(urls);
+    if (urls == null || urls.isEmpty()) {
-    String hashCode = CommonUtil.getMd5Code(urls);
+      ALog.e(TAG, "获取任务组实体失败：任务组子任务下载地址列表为null");
-    return DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", hashCode);
+      return null;
+    }
+    return TEManager.getInstance().getGTEntity(DownloadGroupTaskEntity.class, urls);
   }
 
   /**
-   * 通过任务组key，获取任务组实体
+   * 获取FTP文件夹下载任务实体
-   * 如果是http，key为所有子任务下载地址拼接后取md5
+   *
-   * 如果是ftp，key为ftp服务器的文件夹路径
+   * @param dirPath FTP文件夹本地保存路径
+   * @return 返回对应的任务组实体；如果查找不到对应的数据或路径为null，返回null
    */
-  public DownloadGroupTaskEntity getDownloadGroupTask(String key) {
+  public DownloadGroupTaskEntity getFtpDirTask(String dirPath) {
-    return DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", key);
+    if (TextUtils.isEmpty(dirPath)) {
+      ALog.e(TAG, "获取FTP文件夹实体失败：文件夹路径为null");
+      return null;
+    }
+    return TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, dirPath);
   }
 
   /**
@@ -327,15 +345,25 @@ public class DownloadReceiver extends AbsReceiver {
 
   /**
    * 获取任务组列表
+   *
+   * @return 如果没有任务组列表，则返回null
    */
   public List<DownloadGroupEntity> getGroupTaskList() {
-    return DownloadEntity.findAllData(DownloadGroupEntity.class);
+    List<DownloadGroupWrapper> wrappers = DbEntity.findRelationData(DownloadGroupWrapper.class);
+    if (wrappers == null || wrappers.isEmpty()) {
+      return null;
+    }
+    List<DownloadGroupEntity> entities = new ArrayList<>();
+    for (DownloadGroupWrapper wrapper : wrappers) {
+      entities.add(wrapper.groupEntity);
+    }
+    return entities;
   }
 
   /**
    * 获取普通任务和任务组的任务列表
    */
-  public List<AbsEntity> getTotleTaskList() {
+  public List<AbsEntity> getTotalTaskList() {
     List<AbsEntity> list = new ArrayList<>();
     List<DownloadEntity> simpleTask = getTaskList();
     List<DownloadGroupEntity> groupTask = getGroupTaskList();

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTarget.java

@@ -27,7 +27,6 @@ import java.util.Map;
  */
 public class DownloadTarget extends BaseNormalTarget<DownloadTarget>
     implements IHttpHeaderTarget<DownloadTarget> {
-  private static final String TAG = "DownloadTarget";
   private HttpHeaderDelegate<DownloadTarget, DownloadEntity, DownloadTaskEntity> mDelegate;
 
   DownloadTarget(DownloadEntity entity, String targetName) {

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskEntity.java

@@ -16,17 +16,19 @@
 package com.arialyy.aria.core.download;
 
 import com.arialyy.aria.core.inf.AbsNormalTaskEntity;
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Foreign;
-import com.arialyy.aria.orm.NoNull;
+import com.arialyy.aria.orm.annotation.Ignore;
-import com.arialyy.aria.orm.OneToOne;
+import com.arialyy.aria.orm.annotation.NoNull;
+import com.arialyy.aria.orm.annotation.Primary;
 
 /**
  * Created by lyy on 2017/1/23.
- * 下载任务实体
+ * 下载任务实体和下载实体为一对一关系，下载实体删除，任务实体自动删除
  */
 public class DownloadTaskEntity extends AbsNormalTaskEntity<DownloadEntity> {
 
-  @OneToOne(table = DownloadEntity.class, key = "downloadPath") public DownloadEntity entity;
+  //@OneToOne(table = DownloadEntity.class, key = "downloadPath") public DownloadEntity entity;
+  @Ignore public DownloadEntity entity;
 
   /**
    * 任务的url
@@ -48,6 +50,11 @@ public class DownloadTaskEntity extends AbsNormalTaskEntity<DownloadEntity> {
    */
   public boolean isGroupTask = false;
 
+  /**
+   * Task实体对应的key
+   */
+  @Primary @Foreign(parent = DownloadEntity.class, column = "downloadPath") public String key = "";
+
   public DownloadTaskEntity() {
   }
 
@@ -55,6 +62,10 @@ public class DownloadTaskEntity extends AbsNormalTaskEntity<DownloadEntity> {
     return entity;
   }
 
+  @Override public String getKey() {
+    return key;
+  }
+
   public void save(DownloadEntity entity) {
     this.entity = entity;
     if (entity != null) {

Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskWrapper.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.download;
+
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class DownloadTaskWrapper extends AbsWrapper {
+
+  @One
+  public DownloadEntity entity;
+
+  @Many(parentColumn = "downloadPath", entityColumn = "key")
+  private List<DownloadTaskEntity> taskEntitys = null;
+
+  public DownloadTaskEntity taskEntity;
+
+  @Override public void handleConvert() {
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.entity = entity;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/core/download/FtpDirDownloadTarget.java

@@ -28,7 +28,6 @@ import com.arialyy.aria.util.ALog;
  */
 public class FtpDirDownloadTarget extends BaseGroupTarget<FtpDirDownloadTarget>
     implements IFtpTarget<FtpDirDownloadTarget> {
-  private final String TAG = "FtpDirDownloadTarget";
   private FtpDelegate<FtpDirDownloadTarget, DownloadGroupEntity, DownloadGroupTaskEntity> mDelegate;
 
   FtpDirDownloadTarget(String url, String targetName) {
@@ -39,11 +38,8 @@ public class FtpDirDownloadTarget extends BaseGroupTarget<FtpDirDownloadTarget>
   private void init(String key) {
     mGroupName = key;
     mTaskEntity = TEManager.getInstance().getTEntity(DownloadGroupTaskEntity.class, key);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(DownloadGroupTaskEntity.class, key);
-    }
     mTaskEntity.requestType = AbsTaskEntity.D_FTP_DIR;
-    mEntity = mTaskEntity.entity;
+    mEntity = mTaskEntity.getEntity();
     if (mEntity != null) {
       mDirPathTemp = mEntity.getDirPath();
     }
@@ -55,7 +51,11 @@ public class FtpDirDownloadTarget extends BaseGroupTarget<FtpDirDownloadTarget>
   }
 
   @Override protected boolean checkEntity() {
-    return getTargetType() == GROUP_FTP_DIR && checkDirPath() && checkUrl();
+    boolean b = getTargetType() == GROUP_FTP_DIR && checkDirPath() && checkUrl();
+    if (b) {
+      mTaskEntity.save(mEntity);
+    }
+    return b;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/core/download/FtpDownloadTarget.java

@@ -27,7 +27,6 @@ import com.arialyy.aria.util.CommonUtil;
  */
 public class FtpDownloadTarget extends BaseNormalTarget<FtpDownloadTarget>
     implements IFtpTarget<FtpDownloadTarget> {
-  private final String TAG = "FtpDownloadTarget";
   private FtpDelegate<FtpDownloadTarget, DownloadEntity, DownloadTaskEntity> mDelegate;
 
   FtpDownloadTarget(DownloadEntity entity, String targetName, boolean refreshInfo) {

Aria/src/main/java/com/arialyy/aria/core/download/downloader/AbsGroupUtil.java

@@ -106,7 +106,7 @@ public abstract class AbsGroupUtil implements IUtil {
     mGTEntity = groupEntity;
     mExePool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
     List<DownloadTaskEntity> tasks =
-        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mGTEntity.key);
+        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mGTEntity.getKey());
     if (tasks != null && !tasks.isEmpty()) {
       for (DownloadTaskEntity te : tasks) {
         te.removeFile = mGTEntity.removeFile;
@@ -114,10 +114,10 @@ public abstract class AbsGroupUtil implements IUtil {
         mTasksMap.put(te.getEntity().getUrl(), te);
       }
     }
-    mGroupSize = mGTEntity.entity.getSubTask().size();
+    mGroupSize = mGTEntity.getEntity().getSubTask().size();
     mTotalLen = groupEntity.getEntity().getFileSize();
     isNeedLoadFileSize = mTotalLen <= 1;
-    for (DownloadEntity entity : mGTEntity.entity.getSubTask()) {
+    for (DownloadEntity entity : mGTEntity.getEntity().getSubTask()) {
       File file = new File(entity.getDownloadPath());
       if (entity.getState() == IEntity.STATE_COMPLETE && file.exists()) {
         mCompleteNum++;
@@ -190,9 +190,10 @@ public abstract class AbsGroupUtil implements IUtil {
    * @param url 子任务下载地址
    */
   public void cancelSubTask(String url) {
-    List<String> urls = mGTEntity.entity.getUrls();
+    List<String> urls = mGTEntity.getEntity().getUrls();
     if (urls != null && !urls.isEmpty() && urls.contains(url)) {
       urls.remove(url);
+      // TODO: 2018/4/4 有问题
       DownloadTaskEntity det =
           DbEntity.findFirst(DownloadTaskEntity.class, "url=? and isGroupTask='true'", url);
       if (det != null) {
@@ -273,7 +274,7 @@ public abstract class AbsGroupUtil implements IUtil {
         dt.cancel();
       }
     }
-    delDownloadInfo();
+    CommonUtil.delDownloadGroupTaskConfig(mGTEntity.removeFile, mGTEntity.getEntity());
     mGTEntity.deleteData();
   }
 
@@ -281,30 +282,6 @@ public abstract class AbsGroupUtil implements IUtil {
 
   }
 
-  /**
-   * 删除所有子任务的下载信息
-   */
-  private void delDownloadInfo() {
-    List<DownloadTaskEntity> tasks =
-        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", mGTEntity.key);
-    if (tasks != null && !tasks.isEmpty()) {
-      for (DownloadTaskEntity taskEntity : tasks) {
-        CommonUtil.delDownloadTaskConfig(mGTEntity.removeFile, taskEntity);
-      }
-    }
-
-    File dir = new File(mGTEntity.getEntity().getDirPath());
-    if (mGTEntity.removeFile) {
-      if (dir.exists()) {
-        dir.delete();
-      }
-    } else {
-      if (!mGTEntity.getEntity().isComplete()) {
-        dir.delete();
-      }
-    }
-  }
-
   @Override public void stop() {
     closeTimer(false);
     onStop();
@@ -418,7 +395,7 @@ public abstract class AbsGroupUtil implements IUtil {
     taskEntity.headers = mGTEntity.headers;
     taskEntity.requestEnum = mGTEntity.requestEnum;
     taskEntity.removeFile = mGTEntity.removeFile;
-    taskEntity.groupName = mGTEntity.key;
+    taskEntity.groupName = mGTEntity.getKey();
     taskEntity.isGroupTask = true;
     taskEntity.requestType = mGTEntity.requestType;
     taskEntity.key = entity.getDownloadPath();

Aria/src/main/java/com/arialyy/aria/core/download/downloader/FtpDirDownloadUtil.java

@@ -44,12 +44,12 @@ public class FtpDirDownloadUtil extends AbsGroupUtil {
       new FtpDirInfoThread(mGTEntity, new OnFileInfoCallback() {
         @Override public void onComplete(String url, CompleteInfo info) {
           if (info.code >= 200 && info.code < 300) {
-            for (DownloadEntity entity : mGTEntity.entity.getSubTask()) {
+            for (DownloadEntity entity : mGTEntity.getEntity().getSubTask()) {
               mExeMap.put(entity.getUrl(), createChildDownloadTask(entity));
             }
-            mActualTaskNum = mGTEntity.entity.getSubTask().size();
+            mActualTaskNum = mGTEntity.getEntity().getSubTask().size();
             mGroupSize = mActualTaskNum;
-            mTotalLen = mGTEntity.entity.getFileSize();
+            mTotalLen = mGTEntity.getEntity().getFileSize();
             startDownload();
           }
         }

Aria/src/main/java/com/arialyy/aria/core/download/downloader/HttpFileInfoThread.java

@@ -160,7 +160,10 @@ class HttpFileInfoThread implements Runnable {
       }
       return;
     }
-    newUrl = CheckUtil.checkUrl(newUrl);
+    if (!CheckUtil.checkUrl(newUrl)) {
+      failDownload("下载失败，重定向url错误", false);
+      return;
+    }
     String cookies = conn.getHeaderField("Set-Cookie");
     conn = (HttpURLConnection) new URL(newUrl).openConnection();
     conn = ConnectionHelp.setConnectParam(mTaskEntity, conn);

Aria/src/main/java/com/arialyy/aria/core/inf/AbsEntity.java

@@ -18,7 +18,7 @@ package com.arialyy.aria.core.inf;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Ignore;
 
 /**
  * Created by AriaL on 2017/6/29.

Aria/src/main/java/com/arialyy/aria/core/inf/AbsGroupEntity.java

@@ -17,10 +17,7 @@ package com.arialyy.aria.core.inf;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.orm.annotation.Primary;
-import com.arialyy.aria.orm.Foreign;
-import com.arialyy.aria.orm.NormalList;
-import com.arialyy.aria.orm.Primary;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -29,20 +26,16 @@ import java.util.List;
  */
 public abstract class AbsGroupEntity extends AbsEntity implements Parcelable {
   /**
-   * 组名，组名为任务地址相加的urlMd5
+   * 组名，组名为任务地址相加的url的Md5
    */
-  @Primary @Foreign(table = DownloadGroupTaskEntity.class, column = "key") protected String
+  @Primary protected String groupName = "";
-      groupName = "";
 
   /**
    * 任务组别名
    */
   private String alias = "";
 
-  /**
+  private List<String> urls = new ArrayList<>();
-   * 子任务链接组
-   */
-  @NormalList(clazz = String.class) private List<String> urls = new ArrayList<>();
 
   public List<String> getUrls() {
     return urls;

Aria/src/main/java/com/arialyy/aria/core/inf/AbsNormalEntity.java

@@ -17,8 +17,6 @@ package com.arialyy.aria.core.inf;
 
 import android.os.Parcel;
 import android.os.Parcelable;
-import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
 
 /**
  * Created by AriaL on 2017/6/3.

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java

@@ -34,17 +34,25 @@ import java.util.List;
  */
 public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity>
     implements ITarget<TARGET> {
+  protected String TAG = "";
   protected ENTITY mEntity;
   protected TASK_ENTITY mTaskEntity;
   protected String mTargetName;
 
+  protected AbsTarget() {
+    TAG = CommonUtil.getClassName(this);
+  }
+
   /**
-   * 重置下载状态，将任务状态设置为未开始状态
+   * 重置状态，将任务状态设置为未开始状态
    */
   public TARGET resetState() {
-    mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
+    if (checkEntity()) {
-    mTaskEntity.refreshInfo = true;
+      mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
-    mTaskEntity.update();
+      mTaskEntity.refreshInfo = true;
+    } else {
+      ALog.e(TAG, "重置状态失败");
+    }
     return (TARGET) this;
   }
 
@@ -96,10 +104,16 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    */
   public TARGET setExtendField(String str) {
     if (TextUtils.isEmpty(str)) return (TARGET) this;
-    if (TextUtils.isEmpty(mEntity.getStr()) || !mEntity.getStr().equals(str)) {
+    if (checkEntity()) {
-      mEntity.setStr(str);
+      if (TextUtils.isEmpty(mEntity.getStr()) || !mEntity.getStr().equals(str)) {
-      mEntity.save();
+        mEntity.setStr(str);
+      } else {
+        ALog.e(TAG, "设置扩展字段失败，扩展字段为null");
+      }
+    } else {
+      ALog.e(TAG, "设置扩展字段失败");
     }
+
     return (TARGET) this;
   }
 
@@ -138,7 +152,7 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
   }
 
   /**
-   * 检查实体是否合法
+   * 检查实体是否合法，如果实体合法，将保存实体到数据库，或更新数据库中的实体对象
    *
    * @return {@code true} 合法
    */
@@ -252,6 +266,4 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
       start();
     }
   }
-
-
 }

Aria/src/main/java/com/arialyy/aria/core/inf/AbsTaskEntity.java

@@ -18,8 +18,7 @@ package com.arialyy.aria.core.inf;
 import com.arialyy.aria.core.FtpUrlEntity;
 import com.arialyy.aria.core.common.RequestEnum;
 import com.arialyy.aria.orm.DbEntity;
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Ignore;
-import com.arialyy.aria.orm.Primary;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -55,11 +54,6 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
    */
   public static final int U_FTP = 0xA2;
 
-  /**
-   * Task实体对应的key
-   */
-  @Primary public String key = "";
-
   /**
    * 账号和密码
    */
@@ -144,12 +138,7 @@ public abstract class AbsTaskEntity<ENTITY extends AbsEntity> extends DbEntity {
     return getEntity().getState();
   }
 
-  @Override public void deleteData() {
+  public abstract String getKey();
-    if (getEntity() != null) {
-      getEntity().deleteData();
-    }
-    super.deleteData();
-  }
 
   @Override public void update() {
     if (getEntity() != null) {

Aria/src/main/java/com/arialyy/aria/core/inf/IEntity.java

@@ -15,7 +15,7 @@
  */
 package com.arialyy.aria.core.inf;
 
-import com.arialyy.aria.orm.Ignore;
+import com.arialyy.aria.orm.annotation.Ignore;
 
 /**
  * Created by lyy on 2017/2/23.

Aria/src/main/java/com/arialyy/aria/core/inf/IUploadListener.java

@@ -15,8 +15,6 @@
  */
 package com.arialyy.aria.core.inf;
 
-import com.arialyy.aria.core.inf.IEventListener;
-
 /**
  * Created by lyy on 2017/2/9.
  * 上传监听

Aria/src/main/java/com/arialyy/aria/core/manager/DGTEntityFactory.java

@@ -18,6 +18,8 @@ package com.arialyy.aria.core.manager;
 import android.text.TextUtils;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadGroupTaskWrapper;
+import com.arialyy.aria.core.download.DownloadGroupWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.CommonUtil;
 import java.util.List;
@@ -46,36 +48,56 @@ class DGTEntityFactory implements ITEntityFactory<DownloadGroupEntity, DownloadG
   /**
    * 通过下载实体创建任务实体
    */
-  @Override public DownloadGroupTaskEntity create(DownloadGroupEntity entity) {
+  private DownloadGroupTaskEntity create(DownloadGroupEntity entity) {
-    DownloadGroupTaskEntity dgTaskEntity =
+    List<DownloadGroupTaskWrapper> wrapper =
-        DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", entity.getGroupName());
+        DbEntity.findRelationData(DownloadGroupTaskWrapper.class, "DownloadGroupTaskWrapper.key=?",
-    if (dgTaskEntity == null) {
+            entity.getGroupName());
+    DownloadGroupTaskEntity dgTaskEntity;
+
+    if (wrapper != null && !wrapper.isEmpty()) {
+      dgTaskEntity = wrapper.get(0).taskEntity;
+      if (dgTaskEntity == null) {
+        dgTaskEntity = new DownloadGroupTaskEntity();
+        dgTaskEntity.setEntity(entity);
+      } else if (dgTaskEntity.getEntity() == null || TextUtils.isEmpty(
+          dgTaskEntity.getEntity().getKey())) {
+        dgTaskEntity.setEntity(entity);
+      }
+    } else {
       dgTaskEntity = new DownloadGroupTaskEntity();
-      dgTaskEntity.save(entity);
+      dgTaskEntity.setEntity(entity);
-    }
-    if (dgTaskEntity.entity == null || TextUtils.isEmpty(dgTaskEntity.entity.getKey())) {
-      dgTaskEntity.save(entity);
     }
+
     return dgTaskEntity;
   }
 
   /**
-   * 对于任务组，不能使用这个，可用于FTP文件夹下载
+   * 对于任务组，不能使用这个，该方法只用于FTP文件夹下载
    *
-   * @deprecated {@link #create(String, List)}
+   * @deprecated 任务组使用：{@link #create(String, List)}
    */
   @Override @Deprecated public DownloadGroupTaskEntity create(String key) {
-    DownloadGroupTaskEntity dgTaskEntity =
+    List<DownloadGroupTaskWrapper> wrapper =
-        DbEntity.findFirst(DownloadGroupTaskEntity.class, "key=?", key);
+        DbEntity.findRelationData(DownloadGroupTaskWrapper.class, "DownloadGroupTaskWrapper.key=?",
-    if (dgTaskEntity == null) {
+            key);
+    DownloadGroupTaskEntity dgTaskEntity;
+    if (wrapper != null && !wrapper.isEmpty()) {
+      dgTaskEntity = wrapper.get(0).taskEntity;
+      if (dgTaskEntity == null) {
+        dgTaskEntity = new DownloadGroupTaskEntity();
+        dgTaskEntity.setEntity(getDownloadGroupEntity(key, null));
+      } else if (dgTaskEntity.getEntity() == null || TextUtils.isEmpty(
+          dgTaskEntity.getEntity().getKey())) {
+        dgTaskEntity.setEntity(getDownloadGroupEntity(key, null));
+      }
+      dgTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(key);
+      return dgTaskEntity;
+    } else {
       dgTaskEntity = new DownloadGroupTaskEntity();
-      dgTaskEntity.save(getDownloadGroupEntity(key, null));
+      dgTaskEntity.setEntity(getDownloadGroupEntity(key, null));
+      dgTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(key);
+      return dgTaskEntity;
     }
-    if (dgTaskEntity.entity == null || TextUtils.isEmpty(dgTaskEntity.entity.getKey())) {
-      dgTaskEntity.save(getDownloadGroupEntity(key, null));
-    }
-    dgTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(key);
-    return dgTaskEntity;
   }
 
   @Override public DownloadGroupTaskEntity create(String groupName, List<String> urls) {
@@ -86,13 +108,21 @@ class DGTEntityFactory implements ITEntityFactory<DownloadGroupEntity, DownloadG
    * 查询任务组实体，如果数据库不存在该实体，则新创建一个新的任务组实体
    */
   private DownloadGroupEntity getDownloadGroupEntity(String groupName, List<String> urls) {
-    DownloadGroupEntity entity =
+
-        DbEntity.findFirst(DownloadGroupEntity.class, "groupName=?", groupName);
+    List<DownloadGroupWrapper> wrapper =
-    if (entity == null) {
+        DbEntity.findRelationData(DownloadGroupWrapper.class, "DownloadGroupEntity.groupName=?",
-      entity = new DownloadGroupEntity();
+            groupName);
-      entity.setGroupName(groupName);
+    DownloadGroupEntity groupEntity;
-      entity.setUrls(urls);
+    if (wrapper != null && !wrapper.isEmpty()) {
+      groupEntity = wrapper.get(0).groupEntity;
+      if (groupEntity == null) {
+        groupEntity = new DownloadGroupEntity();
+      }
+    } else {
+      groupEntity = new DownloadGroupEntity();
     }
-    return entity;
+    groupEntity.setGroupName(groupName);
+    groupEntity.setUrls(urls);
+    return groupEntity;
   }
 }

Aria/src/main/java/com/arialyy/aria/core/manager/DTEntityFactory.java

@@ -18,9 +18,11 @@ package com.arialyy.aria.core.manager;
 import android.text.TextUtils;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.download.DownloadTaskWrapper;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.orm.DbEntity;
 import java.io.File;
+import java.util.List;
 
 /**
  * Created by Aria.Lao on 2017/11/1.
@@ -45,19 +47,26 @@ class DTEntityFactory implements ITEntityFactory<DownloadEntity, DownloadTaskEnt
   /**
    * 通过下载实体创建任务实体
    */
-  @Override public DownloadTaskEntity create(DownloadEntity entity) {
+  private DownloadTaskEntity create(DownloadEntity entity) {
-    DownloadTaskEntity taskEntity =
+    List<DownloadTaskWrapper> wrapper = DbEntity.findRelationData(DownloadTaskWrapper.class,
-        DbEntity.findFirst(DownloadTaskEntity.class, "key=? and isGroupTask='false' and url=?",
+        "DownloadTaskEntity.key=? and DownloadTaskEntity.isGroupTask='false' and DownloadTaskEntity.url=?",
-            entity.getDownloadPath(), entity.getUrl());
+        entity.getDownloadPath(), entity.getUrl());
-    if (taskEntity == null) {
+
-      taskEntity = new DownloadTaskEntity();
+    if (wrapper != null && !wrapper.isEmpty()) {
-      taskEntity.save(entity);
+      DownloadTaskEntity taskEntity = wrapper.get(0).taskEntity;
-    } else if (taskEntity.entity == null || TextUtils.isEmpty(taskEntity.entity.getUrl())) {
+      if (taskEntity == null) {
-      taskEntity.save(entity);
+        taskEntity = new DownloadTaskEntity();
-    } else if (!taskEntity.entity.getUrl().equals(entity.getUrl())) {  //处理地址切换而保存路径不变
+        taskEntity.entity = entity;
-      taskEntity.save(entity);
+      } else if (taskEntity.entity == null || TextUtils.isEmpty(taskEntity.entity.getUrl())) {
+        taskEntity.entity = entity;
+      }
+
+      return taskEntity;
+    } else {
+      DownloadTaskEntity taskEntity = new DownloadTaskEntity();
+      taskEntity.entity = entity;
+      return taskEntity;
     }
-    return taskEntity;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/core/manager/ITEntityFactory.java

@@ -22,10 +22,6 @@ import com.arialyy.aria.core.inf.AbsTaskEntity;
  * Created by Aria.Lao on 2017/11/1.
  */
 interface ITEntityFactory<ENTITY extends AbsEntity, TASK_ENTITY extends AbsTaskEntity<ENTITY>> {
-  /**
-   * 通过信息实体创建任务实体
-   */
-  TASK_ENTITY create(ENTITY entity);
 
   /**
    * 通过key创建任务，只适应于单任务

Aria/src/main/java/com/arialyy/aria/core/manager/TEManager.java

@@ -18,7 +18,6 @@ package com.arialyy.aria.core.manager;
 import android.support.v4.util.LruCache;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
-import com.arialyy.aria.core.inf.AbsEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
 import com.arialyy.aria.util.ALog;
@@ -29,7 +28,7 @@ import java.util.concurrent.locks.ReentrantLock;
 
 /**
  * Created by Aria.Lao on 2017/11/1.
- * 任务实体管理器，负责
+ * 任务实体管理器
  */
 public class TEManager {
   private static final String TAG = "TaskManager";
@@ -102,31 +101,6 @@ public class TEManager {
     }
   }
 
-  /**
-   * 通过实体创建任务
-   *
-   * @return 如果任务实体创建失败，返回null
-   */
-  public <TE extends AbsTaskEntity> TE createTEntity(Class<TE> clazz, AbsEntity absEntity) {
-    final Lock lock = this.lock;
-    lock.lock();
-    try {
-      AbsTaskEntity tEntity = cache.get(convertKey(absEntity.getKey()));
-      if (tEntity == null || tEntity.getClass() != clazz) {
-        ITEntityFactory factory = chooseFactory(clazz);
-        if (factory == null) {
-          ALog.e(TAG, "任务实体创建失败");
-          return null;
-        }
-        tEntity = factory.create(absEntity);
-        cache.put(convertKey(absEntity.getKey()), tEntity);
-      }
-      return (TE) tEntity;
-    } finally {
-      lock.unlock();
-    }
-  }
-
   private IGTEntityFactory chooseGroupFactory(Class clazz) {
     if (clazz == DownloadGroupTaskEntity.class) {
       return DGTEntityFactory.getInstance();
@@ -146,7 +120,9 @@ public class TEManager {
   }
 
   /**
-   * 从任务实体管理器中获取任务实体
+   * 从缓存中获取任务实体，如果任务实体不存在，则创建任务实体
+   *
+   * @return 创建失败，返回null
    */
   public <TE extends AbsTaskEntity> TE getTEntity(Class<TE> clazz, String key) {
     final Lock lock = this.lock;
@@ -154,7 +130,33 @@ public class TEManager {
     try {
       AbsTaskEntity tEntity = cache.get(convertKey(key));
       if (tEntity == null) {
-        return null;
+        return createTEntity(clazz, key);
+      } else {
+        return (TE) tEntity;
+      }
+    } finally {
+      lock.unlock();
+    }
+  }
+
+  /**
+   * 从缓存中获取HTTP任务组的任务实体，如果任务实体不存在，则创建任务实体
+   *
+   * @param urls HTTP任务组的子任务下载地址列表
+   * @return 地址列表为null或创建实体失败，返回null
+   */
+  public <TE extends AbsTaskEntity> TE getGTEntity(Class<TE> clazz, List<String> urls) {
+    if (urls == null || urls.isEmpty()) {
+      ALog.e(TAG, "获取HTTP任务组实体失败：任务组的子任务下载地址列表为null");
+      return null;
+    }
+    final Lock lock = this.lock;
+    lock.lock();
+    try {
+      String groupName = CommonUtil.getMd5Code(urls);
+      AbsTaskEntity tEntity = cache.get(convertKey(groupName));
+      if (tEntity == null) {
+        return createGTEntity(clazz, urls);
       } else {
         return (TE) tEntity;
       }
@@ -189,7 +191,7 @@ public class TEManager {
     final Lock lock = this.lock;
     lock.lock();
     try {
-      return cache.put(convertKey(te.key), te) != null;
+      return cache.put(convertKey(te.getKey()), te) != null;
     } finally {
       lock.unlock();
     }

Aria/src/main/java/com/arialyy/aria/core/manager/TaskManager.java

@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.core.manager;
-
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.core.inf.AbsTask;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * Created by Aria.Lao on 2017/9/1.
- * 任务管理器
- */
-class TaskManager {
-  private static final String TAG = "TaskManager";
-  private static volatile TaskManager INSTANCE = null;
-  private Map<String, AbsTask> map = new ConcurrentHashMap<>();
-
-  public static TaskManager getInstance() {
-    if (INSTANCE == null) {
-      synchronized (TaskManager.class) {
-        INSTANCE = new TaskManager();
-      }
-    }
-    return INSTANCE;
-  }
-
-  private TaskManager() {
-
-  }
-
-  /**
-   * 管理器添加任务
-   *
-   * @param key 任务的key，下载为保存路径，任务组为任务组名，上传为文件上传路径
-   * @param task 任务
-   * @return {@code true}添加成功
-   */
-  public <T extends AbsTask> boolean addTask(String key, Class<T> clazz, T task) {
-    String hash = CommonUtil.keyToHashKey(key);
-    if (map.keySet().contains(hash)) {
-      ALog.e(TAG, "任务【" + key + "】已存在");
-      return false;
-    }
-    map.put(CommonUtil.keyToHashKey(key), task);
-    return true;
-  }
-
-  /**
-   * 移除任务
-   *
-   * @param key 任务的key，下载为保存路径，任务组为任务组名，上传为文件上传路径
-   */
-  public void removeTask(String key) {
-    String hash = CommonUtil.keyToHashKey(key);
-    for (Iterator<Map.Entry<String, AbsTask>> iter = map.entrySet().iterator(); iter.hasNext(); ) {
-      Map.Entry<String, AbsTask> entry = iter.next();
-      if (entry.getKey().equals(hash)) iter.remove();
-    }
-  }
-
-  /**
-   * 通过key获取任务
-   *
-   * @return 如果找不到任务，返回null，否则返回key对应的任务
-   */
-  public AbsTask getTask(String key) {
-    return map.get(CommonUtil.keyToHashKey(key));
-  }
-}

Aria/src/main/java/com/arialyy/aria/core/manager/UTEntityFactory.java

@@ -15,10 +15,13 @@
  */
 package com.arialyy.aria.core.manager;
 
+import android.text.TextUtils;
 import com.arialyy.aria.core.upload.UploadEntity;
 import com.arialyy.aria.core.upload.UploadTaskEntity;
+import com.arialyy.aria.core.upload.UploadTaskWrapper;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.Regular;
+import java.util.List;
 import java.util.regex.Pattern;
 
 /**
@@ -41,17 +44,26 @@ class UTEntityFactory implements ITEntityFactory<UploadEntity, UploadTaskEntity>
     return INSTANCE;
   }
 
-  @Override public UploadTaskEntity create(UploadEntity entity) {
+  private UploadTaskEntity create(UploadEntity entity) {
-    UploadTaskEntity uTaskEntity =
+    List<UploadTaskWrapper> wrapper =
-        DbEntity.findFirst(UploadTaskEntity.class, "key=?", entity.getFilePath());
+        DbEntity.findRelationData(UploadTaskWrapper.class, "UploadTaskEntity.key=?",
-    if (uTaskEntity == null) {
+            entity.getFilePath());
-      uTaskEntity = new UploadTaskEntity();
+
-      uTaskEntity.entity = entity;
+    if (wrapper != null && !wrapper.isEmpty()) {
-    }
+      UploadTaskEntity uTaskEntity = wrapper.get(0).taskEntity;
-    if (uTaskEntity.entity == null) {
+      if (uTaskEntity == null) {
+        uTaskEntity = new UploadTaskEntity();
+        uTaskEntity.entity = entity;
+      } else if (uTaskEntity.entity == null || TextUtils.isEmpty(
+          uTaskEntity.entity.getFilePath())) {
+        uTaskEntity.entity = entity;
+      }
+      return uTaskEntity;
+    } else {
+      UploadTaskEntity uTaskEntity = new UploadTaskEntity();
       uTaskEntity.entity = entity;
+      return uTaskEntity;
     }
-    return uTaskEntity;
   }
 
   @Override public UploadTaskEntity create(String key) {
@@ -67,14 +79,12 @@ class UTEntityFactory implements ITEntityFactory<UploadEntity, UploadTaskEntity>
     UploadEntity entity = UploadEntity.findFirst(UploadEntity.class, "filePath=?", filePath);
     if (entity == null) {
       entity = new UploadEntity();
-      //String regex = "[/|\\\\|//]";
       String regex = Regular.REG_FILE_NAME;
       Pattern p = Pattern.compile(regex);
       String[] strs = p.split(filePath);
       String fileName = strs[strs.length - 1];
       entity.setFileName(fileName);
       entity.setFilePath(filePath);
-      entity.insert();
     }
     return entity;
   }

Aria/src/main/java/com/arialyy/aria/core/queue/DownloadGroupTaskQueue.java

@@ -67,7 +67,7 @@ public class DownloadGroupTaskQueue
           && mExecutePool.getTask(entity.getEntity().getKey()) == null) {
         task = (DownloadGroupTask) TaskFactory.getInstance()
             .createTask(targetName, entity, DownloadGroupSchedulers.getInstance());
-        entity.key = entity.getEntity().getGroupName();
+        entity.setKey(entity.getEntity().getGroupName());
         mCachePool.putTask(task);
       } else {
         ALog.w(TAG, "任务已存在");

Aria/src/main/java/com/arialyy/aria/core/upload/BaseNormalTarget.java

@@ -17,12 +17,9 @@ package com.arialyy.aria.core.upload;
 
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.manager.TEManager;
 import com.arialyy.aria.core.queue.UploadTaskQueue;
-import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
 
 /**
@@ -30,13 +27,9 @@ import java.io.File;
  */
 abstract class BaseNormalTarget<TARGET extends AbsUploadTarget>
     extends AbsUploadTarget<TARGET, UploadEntity, UploadTaskEntity> {
-  private static final String TAG = "BaseNormalTarget";
 
   protected void initTarget(String filePath) {
     mTaskEntity = TEManager.getInstance().getTEntity(UploadTaskEntity.class, filePath);
-    if (mTaskEntity == null) {
-      mTaskEntity = TEManager.getInstance().createTEntity(UploadTaskEntity.class, filePath);
-    }
     mEntity = mTaskEntity.entity;
     File file = new File(filePath);
     mEntity.setFileName(file.getName());
@@ -74,7 +67,11 @@ abstract class BaseNormalTarget<TARGET extends AbsUploadTarget>
   }
 
   @Override protected boolean checkEntity() {
-    return checkUrl() && checkFilePath();
+    boolean b = checkUrl() && checkFilePath();
+    if (b) {
+      mTaskEntity.save(mEntity);
+    }
+    return b;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/core/upload/FtpUploadTarget.java

@@ -30,7 +30,6 @@ import com.arialyy.aria.util.CommonUtil;
  */
 public class FtpUploadTarget extends BaseNormalTarget<FtpUploadTarget>
     implements IFtpTarget<FtpUploadTarget> {
-  private final String TAG = "FtpUploadTarget";
   private FtpDelegate<FtpUploadTarget, UploadEntity, UploadTaskEntity> mDelegate;
 
   FtpUploadTarget(String filePath, String targetName) {
@@ -51,14 +50,15 @@ public class FtpUploadTarget extends BaseNormalTarget<FtpUploadTarget>
    */
   @Override
   public FtpUploadTarget setUploadUrl(@NonNull String uploadUrl) {
-    uploadUrl = CheckUtil.checkUrl(uploadUrl);
+    if (!CheckUtil.checkUrl(uploadUrl)) {
+      return this;
+    }
     if (!uploadUrl.endsWith("/")) {
       uploadUrl += "/";
     }
     mTaskEntity.urlEntity = CommonUtil.getFtpUrlInfo(uploadUrl);
     if (mEntity.getUrl().equals(uploadUrl)) return this;
     mEntity.setUrl(uploadUrl);
-    mEntity.update();
     return this;
   }
 

Aria/src/main/java/com/arialyy/aria/core/upload/UploadEntity.java

@@ -19,15 +19,18 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import com.arialyy.aria.core.inf.AbsNormalEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
-import com.arialyy.aria.orm.Foreign;
+import com.arialyy.aria.orm.annotation.Foreign;
-import com.arialyy.aria.orm.Primary;
+import com.arialyy.aria.orm.annotation.Primary;
 
 /**
  * Created by lyy on 2017/2/9.
  * 上传文件实体
  */
 public class UploadEntity extends AbsNormalEntity implements Parcelable {
-  @Primary @Foreign(table = UploadTaskEntity.class, column = "key") private String filePath;  //文件路径
+  /**
+   * 文件上传路径
+   */
+  @Primary @Foreign(parent = UploadTaskEntity.class, column = "key") private String filePath;
 
   /**
    * 上传完成后服务器返回的数据

Aria/src/main/java/com/arialyy/aria/core/upload/UploadReceiver.java

@@ -20,9 +20,7 @@ import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.command.ICmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.common.ProxyHelper;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsReceiver;
-import com.arialyy.aria.core.scheduler.ISchedulerListener;
 import com.arialyy.aria.core.scheduler.UploadSchedulers;
 import com.arialyy.aria.orm.DbEntity;
 import com.arialyy.aria.util.CheckUtil;
@@ -92,7 +90,7 @@ public class UploadReceiver extends AbsReceiver<UploadEntity> {
   @Override public void removeAllTask(boolean removeFile) {
     final AriaManager am = AriaManager.getInstance(AriaManager.APP);
 
-    am.setCmd(CommonUtil.createNormalCmd(targetName, new DownloadTaskEntity(),
+    am.setCmd(CommonUtil.createNormalCmd(targetName, new UploadTaskEntity(),
         NormalCmdFactory.TASK_CANCEL_ALL, ICmd.TASK_TYPE_UPLOAD)).exe();
 
     Set<String> keys = am.getReceiver().keySet();

Aria/src/main/java/com/arialyy/aria/core/upload/UploadTarget.java

@@ -29,7 +29,6 @@ import java.util.Map;
  */
 public class UploadTarget extends BaseNormalTarget<UploadTarget>
     implements IHttpHeaderTarget<UploadTarget> {
-  private static final String TAG = "UploadTarget";
   private HttpHeaderDelegate<UploadTarget, UploadEntity, UploadTaskEntity> mDelegate;
 
   UploadTarget(String filePath, String targetName) {
@@ -47,12 +46,13 @@ public class UploadTarget extends BaseNormalTarget<UploadTarget>
   }
 
   @Override public UploadTarget setUploadUrl(@NonNull String uploadUrl) {
-    uploadUrl = CheckUtil.checkUrl(uploadUrl);
+    if (!CheckUtil.checkUrl(uploadUrl)){
+      return this;
+    }
     if (mEntity.getUrl().equals(uploadUrl)) {
       return this;
     }
     mEntity.setUrl(uploadUrl);
-    mEntity.update();
     return this;
   }
 

Aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskWrapper.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.core.upload;
+
+import com.arialyy.aria.orm.AbsWrapper;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import java.util.List;
+
+/**
+ * Created by laoyuyu on 2018/3/30.
+ */
+@Wrapper
+public class UploadTaskWrapper extends AbsWrapper {
+
+  @One
+  public UploadEntity entity;
+
+  @Many(parentColumn = "filePath", entityColumn = "key")
+  private List<UploadTaskEntity> taskEntitys = null;
+
+  public UploadTaskEntity taskEntity;
+
+  @Override public void handleConvert() {
+    //taskEntity.entity = (tEntity == null || tEntity.isEmpty()) ? null : tEntity.get(0);
+    taskEntity = (taskEntitys == null || taskEntitys.isEmpty()) ? null : taskEntitys.get(0);
+    if (taskEntity != null) {
+      taskEntity.entity = entity;
+    }
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/AbsDelegate.java

@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.support.v4.util.LruCache;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.net.URLEncoder;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ */
+abstract class AbsDelegate {
+  static final String TAG = "AbsDelegate";
+  static final int CREATE_TABLE = 0;
+  static final int TABLE_EXISTS = 1;
+  static final int INSERT_DATA = 2;
+  static final int MODIFY_DATA = 3;
+  static final int FIND_DATA = 4;
+  static final int FIND_ALL_DATA = 5;
+  static final int DEL_DATA = 6;
+  static final int ROW_ID = 7;
+  static final int RELATION = 8;
+  static final int DROP_TABLE = 9;
+
+  static LruCache<String, DbEntity> mDataCache = new LruCache<>(1024);
+
+  /**
+   * 打印数据库日志
+   *
+   * @param type {@link DelegateWrapper}
+   */
+  static void print(int type, String sql) {
+    if (!ALog.DEBUG) {
+      return;
+    }
+    String str = "";
+    switch (type) {
+      case CREATE_TABLE:
+        str = "创建表 >>>> ";
+        break;
+      case TABLE_EXISTS:
+        str = "表是否存在 >>>> ";
+        break;
+      case INSERT_DATA:
+        str = "插入数据 >>>> ";
+        break;
+      case MODIFY_DATA:
+        str = "修改数据 >>>> ";
+        break;
+      case FIND_DATA:
+        str = "查询一行数据 >>>> ";
+        break;
+      case FIND_ALL_DATA:
+        str = "遍历整个数据库 >>>> ";
+        break;
+      case ROW_ID:
+        str = "查询RowId >>> ";
+        break;
+      case RELATION:
+        str = "查询关联表 >>> ";
+        break;
+      case DROP_TABLE:
+        str = "删除表 >>> ";
+        break;
+    }
+    ALog.d(TAG, str.concat(sql));
+  }
+
+  String getCacheKey(DbEntity dbEntity) {
+    return dbEntity.getClass().getName() + "_" + dbEntity.rowID;
+  }
+
+  /**
+   * 检查list参数是否合法，list只能是{@code List<String>}
+   *
+   * @return {@code true} 合法
+   */
+  boolean checkList(Field list) {
+    Class t = CommonUtil.getListParamType(list);
+    if (t != null && t == String.class) {
+      return true;
+    } else {
+      ALog.d(TAG, "map参数错误，支持List<String>的参数字段");
+      return false;
+    }
+  }
+
+  /**
+   * 检查map参数是否合法，map只能是{@code Map<String, String>}
+   *
+   * @return {@code true} 合法
+   */
+  boolean checkMap(Field map) {
+    Class[] ts = CommonUtil.getMapParamType(map);
+    if (ts != null
+        && ts[0] != null
+        && ts[1] != null
+        && ts[0] == String.class
+        && ts[1] == String.class) {
+      return true;
+    } else {
+      ALog.d(TAG, "map参数错误，支持Map<String,String>的参数字段");
+      return false;
+    }
+  }
+
+  /**
+   * 为了防止特殊字符串导致存储失败，需要使用URL编码保存的字符串
+   *
+   * @param value 需要保存的内容
+   * @return 转换后的内容
+   */
+  String convertValue(String value) {
+    if (value.contains("'")) {
+      return URLEncoder.encode(value);
+    }
+    return value;
+  }
+
+  void closeCursor(Cursor cursor) {
+    if (cursor != null && !cursor.isClosed()) {
+      try {
+        cursor.close();
+      } catch (android.database.SQLException e) {
+        e.printStackTrace();
+      }
+    }
+  }
+
+  void close(SQLiteDatabase db) {
+    //if (db != null && db.isOpen()) db.close();
+  }
+
+  /**
+   * 检查数据库是否关闭，已经关闭的话，打开数据库
+   *
+   * @return 返回数据库
+   */
+  SQLiteDatabase checkDb(SQLiteDatabase db) {
+    if (db == null || !db.isOpen()) {
+      db = SqlHelper.INSTANCE.getWritableDatabase();
+    }
+    return db;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/AbsWrapper.java

@@ -13,22 +13,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.core;
+package com.arialyy.aria.orm;
-
-import com.arialyy.aria.orm.DbEntity;
 
 /**
- * Created by lyy on 2017/10/17.
+ * Created by laoyuyu on 2018/3/30.
- * Url 映射表
  */
-public class UrlMapping extends DbEntity {
+public abstract class AbsWrapper {
-  /**
-   * 各实体对应的key
-   */
-  public String key;
 
   /**
-   * 链接
+   * 处理转换
    */
-  public String url;
+  protected abstract void handleConvert();
 }

Aria/src/main/java/com/arialyy/aria/orm/ActionPolicy.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import com.arialyy.aria.orm.annotation.Foreign;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * on update 或 on delete 都可跟不同action功能
+ *
+ * @see <a href="https://sqlite.org/foreignkeys.html"></a>
+ * {@link Foreign#onDelete()}、{@link Foreign#onUpdate()}
+ */
+public enum ActionPolicy {
+
+  /**
+   * 如果子表中有匹配的记录,则不允许对父表对应候选键进行update/delete操作
+   */
+  NO_ACTION("NO ACTION"),
+
+  /**
+   * 和NO ACTION 作用一致，和NO ACTION的区别是：
+   * 主表update/delete执行时，马上就触发约束；
+   * 而NO ACTION 是执行完成语句后才触发约束，
+   */
+  RESTRICT("RESTRICT"),
+
+  /**
+   * 在父表上update/delete记录时，将子表上匹配记录的列设为null (要注意子表的外键列不能为not null)
+   */
+  SET_NULL("SET NULL"),
+
+  /**
+   * 父表有变更时,子表将外键列设置成一个默认的值，default配置的值
+   */
+  SET_DEFAULT("SET DEFAULT"),
+
+  /**
+   * 在父表上update/delete记录时，同步update/delete掉子表的匹配记录
+   */
+  CASCADE("CASCADE");
+
+  String function;
+
+  ActionPolicy(String function) {
+    this.function = function;
+  }
+
+}

Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java

@@ -17,7 +17,6 @@ package com.arialyy.aria.orm;
 
 import android.text.TextUtils;
 import com.arialyy.aria.core.ErrorEntity;
-import com.arialyy.aria.core.UrlMapping;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupEntity;
 import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
@@ -34,7 +33,7 @@ import java.util.Map;
 class DBConfig {
   static Map<String, Class> mapping = new HashMap<>();
   static String DB_NAME;
-  static int VERSION = 25;
+  static int VERSION = 31;
 
   static {
     if (TextUtils.isEmpty(DB_NAME)) {
@@ -46,13 +45,12 @@ class DBConfig {
   }
 
   static {
-    mapping.put("DownloadEntity", DownloadEntity.class);
+    mapping.put("DownloadGroupTaskEntity", DownloadGroupTaskEntity.class);
     mapping.put("DownloadGroupEntity", DownloadGroupEntity.class);
     mapping.put("DownloadTaskEntity", DownloadTaskEntity.class);
-    mapping.put("DownloadGroupTaskEntity", DownloadGroupTaskEntity.class);
-    mapping.put("UploadEntity", UploadEntity.class);
     mapping.put("UploadTaskEntity", UploadTaskEntity.class);
+    mapping.put("DownloadEntity", DownloadEntity.class);
+    mapping.put("UploadEntity", UploadEntity.class);
     mapping.put("ErrorEntity", ErrorEntity.class);
-    //mapping.put("UrlMapping", UrlMapping.class);
   }
 }

Aria/src/main/java/com/arialyy/aria/orm/DatabaseContext.java

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.database.DatabaseErrorHandler;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Environment;
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * 保存在sd卡的数据库使用的Context
+ */
+class DatabaseContext extends ContextWrapper {
+  public DatabaseContext(Context context) {
+    super(context);
+  }
+
+  /**
+   * 获得数据库路径，如果不存在，则创建对象对象
+   */
+  @Override
+  public File getDatabasePath(String name) {
+    //判断是否存在sd卡
+    boolean sdExist = android.os.Environment.MEDIA_MOUNTED.equals(
+        android.os.Environment.getExternalStorageState());
+    if (!sdExist) {
+      return null;
+    } else {
+      //获取sd卡路径
+      File file = getBaseContext().getExternalFilesDir(null);
+      String dbDir;
+      if (file != null) {
+        dbDir = file.getPath() + "/";
+      } else {
+        dbDir = Environment.getExternalStorageDirectory().getPath()
+            + "/Android/data/"
+            + getBaseContext().getPackageName()
+            + "/files/";
+      }
+
+      dbDir += "DB";//数据库所在目录
+      String dbPath = dbDir + "/" + name;//数据库路径
+      //判断目录是否存在，不存在则创建该目录
+      File dirFile = new File(dbDir);
+      if (!dirFile.exists()) {
+        dirFile.mkdirs();
+      }
+
+      //数据库文件是否创建成功
+      boolean isFileCreateSuccess = false;
+      //判断文件是否存在，不存在则创建该文件
+      File dbFile = new File(dbPath);
+      if (!dbFile.exists()) {
+        try {
+          isFileCreateSuccess = dbFile.createNewFile();//创建文件
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
+      } else {
+        isFileCreateSuccess = true;
+      }
+
+      //返回数据库文件对象
+      if (isFileCreateSuccess) {
+        return dbFile;
+      } else {
+        return null;
+      }
+    }
+  }
+
+  /**
+   * 重载这个方法，是用来打开SD卡上的数据库的，android 2.3及以下会调用这个方法。
+   */
+  @Override
+  public SQLiteDatabase openOrCreateDatabase(String name, int mode,
+      SQLiteDatabase.CursorFactory factory) {
+    return SQLiteDatabase.openOrCreateDatabase(getDatabasePath(name), null);
+  }
+
+  /**
+   * Android 4.0会调用此方法获取数据库。
+   *
+   * @see android.content.ContextWrapper#openOrCreateDatabase(java.lang.String, int,
+   * android.database.sqlite.SQLiteDatabase.CursorFactory,
+   * android.database.DatabaseErrorHandler)
+   */
+  @Override
+  public SQLiteDatabase openOrCreateDatabase(String name, int mode,
+      SQLiteDatabase.CursorFactory factory,
+      DatabaseErrorHandler errorHandler) {
+    return SQLiteDatabase.openOrCreateDatabase(getDatabasePath(name), null);
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DbEntity.java

@@ -28,7 +28,7 @@ import java.util.Map;
  * Created by lyy on 2015/11/2.
  * 所有数据库实体父类
  */
-public class DbEntity {
+public abstract class DbEntity {
   private static final Object LOCK = new Object();
   protected int rowID = -1;
 
@@ -36,15 +36,14 @@ public class DbEntity {
 
   }
 
-  ///**
+  /**
-  // * 关键字模糊检索全文
+   * 查询关联数据
-  // *
+   *
-  // * @param column 需要查找的列
+   * @param expression 查询条件
-  // * @param mathSql 关键字语法，exsimple “white OR green”、“blue AND red”、“white NOT green”
+   */
-  // */
+  public static <T extends AbsWrapper> List<T> findRelationData(Class<T> clazz, String... expression) {
-  //public static <T extends DbEntity> List<T> searchData(Class<T> clazz, String column, String mathSql) {
+    return DelegateWrapper.getInstance().findRelationData(clazz, expression);
-  //  return DbUtil.getInstance().searchData(clazz, column, mathSql);
+  }
-  //}
 
   /**
    * 检查某个字段的值是否存在
@@ -53,21 +52,21 @@ public class DbEntity {
    * @return {@code true}该字段的对应的value已存在
    */
   public static boolean checkDataExist(Class clazz, String... expression) {
-    return DbUtil.getInstance().checkDataExist(clazz, expression);
+    return DelegateWrapper.getInstance().checkDataExist(clazz, expression);
   }
 
   /**
    * 清空表数据
    */
   public static <T extends DbEntity> void clean(Class<T> clazz) {
-    DbUtil.getInstance().clean(clazz);
+    DelegateWrapper.getInstance().clean(clazz);
   }
 
   /**
    * 直接执行sql语句
    */
   public static void exeSql(String sql) {
-    DbUtil.getInstance().exeSql(sql);
+    DelegateWrapper.getInstance().exeSql(sql);
   }
 
   /**
@@ -76,7 +75,7 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     return util.findAllData(clazz);
   }
 
@@ -97,7 +96,7 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> List<T> findDatas(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     return util.findData(clazz, expression);
   }
 
@@ -110,7 +109,7 @@ public class DbEntity {
    * @return 没有数据返回null
    */
   public static <T extends DbEntity> T findFirst(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     List<T> datas = util.findData(clazz, expression);
     return datas == null ? null : datas.size() > 0 ? datas.get(0) : null;
   }
@@ -119,14 +118,14 @@ public class DbEntity {
    * 获取所有行的rowid
    */
   public int[] getRowIds() {
-    return DbUtil.getInstance().getRowId(getClass());
+    return DelegateWrapper.getInstance().getRowId(getClass());
   }
 
   /**
    * 获取rowid
    */
   public int getRowId(@NonNull Object[] wheres, @NonNull Object[] values) {
-    return DbUtil.getInstance().getRowId(getClass(), wheres, values);
+    return DelegateWrapper.getInstance().getRowId(getClass(), wheres, values);
   }
 
   /**
@@ -143,7 +142,7 @@ public class DbEntity {
    * </code>
    */
   public static <T extends DbEntity> void deleteData(Class<T> clazz, String... expression) {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     util.delData(clazz, expression);
   }
 
@@ -151,7 +150,7 @@ public class DbEntity {
    * 修改数据
    */
   public void update() {
-    DbUtil.getInstance().modifyData(this);
+    DelegateWrapper.getInstance().modifyData(this);
   }
 
   /**
@@ -171,7 +170,7 @@ public class DbEntity {
    * 查找数据在表中是否存在
    */
   private boolean thisIsExist() {
-    DbUtil util = DbUtil.getInstance();
+    DelegateWrapper util = DelegateWrapper.getInstance();
     return util.isExist(getClass(), rowID);
   }
 
@@ -179,45 +178,38 @@ public class DbEntity {
    * 插入数据
    */
   public void insert() {
-    DbUtil.getInstance().insertData(this);
+    DelegateWrapper.getInstance().insertData(this);
     updateRowID();
   }
 
-  private <T extends DbEntity> T findFirst(Class<T> clazz, @NonNull String[] wheres,
-      @NonNull String[] values) {
-    DbUtil util = DbUtil.getInstance();
-    List<T> list = util.findData(clazz, wheres, values);
-    return list == null ? null : list.get(0);
-  }
-
   private void updateRowID() {
     try {
       List<Field> fields = CommonUtil.getAllFields(getClass());
-      List<String> where = new ArrayList<>();
+      StringBuilder sb = new StringBuilder();
+      List<String> params = new ArrayList<>();
       List<String> values = new ArrayList<>();
       for (Field field : fields) {
         field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
+        if (SqlUtil.isIgnore(field)) {
           continue;
         }
-        where.add(field.getName());
+        sb.append(field.getName()).append("=? AND ");
         Type type = field.getType();
-        if (SqlUtil.isOneToOne(field)) {
+        if (type == List.class) {
-          values.add(SqlUtil.getOneToOneParams(field));
+          values.add(SqlUtil.list2Str(this, field));
-        } else if (type == List.class) {
-          if (SqlUtil.isOneToMany(field)) {
-            values.add(SqlUtil.getOneToManyElementParams(field));
-          } else {
-            values.add(SqlUtil.list2Str(this, field));
-          }
         } else if (type == Map.class) {
           values.add(SqlUtil.map2Str((Map<String, String>) field.get(this)));
         } else {
           values.add(field.get(this) + "");
         }
       }
-      DbEntity entity = findFirst(getClass(), where.toArray(new String[where.size()]),
+
-          values.toArray(new String[values.size()]));
+      String temp = sb.toString();
+      String p = temp.substring(0, temp.length() - 5);
+
+      params.add(p);
+      params.addAll(values);
+      DbEntity entity = findFirst(getClass(), params.toArray(new String[params.size()]));
       if (entity != null) {
         rowID = entity.rowID;
       }

Aria/src/main/java/com/arialyy/aria/orm/DbUtil.java

@@ -1,249 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.arialyy.aria.orm;
-
-import android.app.Application;
-import android.content.Context;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.support.annotation.NonNull;
-import com.arialyy.aria.core.AriaManager;
-import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CheckUtil;
-import com.arialyy.aria.util.CommonUtil;
-import java.util.List;
-
-/**
- * Created by lyy on 2015/2/11.
- * 数据库操作工具
- */
-public class DbUtil {
-  private static final String TAG = "DbUtil";
-  private volatile static DbUtil INSTANCE = null;
-  private int ROW_ID = 7;
-  private SQLiteDatabase mDb;
-  private SqlHelper mHelper;
-
-  private DbUtil() {
-
-  }
-
-  private DbUtil(Context context) {
-    mHelper = SqlHelper.init(context.getApplicationContext());
-  }
-
-  public static DbUtil init(Context context) {
-    if (context instanceof Application) {
-      synchronized (AriaManager.LOCK) {
-        if (INSTANCE == null) {
-          INSTANCE = new DbUtil(context);
-        }
-      }
-    }
-    return INSTANCE;
-  }
-
-  protected static DbUtil getInstance() {
-    if (INSTANCE == null) {
-      throw new NullPointerException("请在Application中调用init进行数据库工具注册注册");
-    }
-    return INSTANCE;
-  }
-
-  ///**
-  // * 关键字模糊检索全文
-  // *
-  // * @param column 需要查找的列
-  // * @param mathSql 关键字语法，exsimple “white OR green”、“blue AND red”、“white NOT green”
-  // */
-  //public <T extends DbEntity> List<T> searchData(Class<T> clazz, String column, String mathSql) {
-  //  checkDb();
-  //  return SqlHelper.searchData(mDb, clazz, column, mathSql);
-  //}
-
-  /**
-   * 检查某个字段的值是否存在
-   *
-   * @param expression 字段和值"url=xxx"
-   * @return {@code true}该字段的对应的value已存在
-   */
-  synchronized boolean checkDataExist(Class clazz, String... expression) {
-    checkDb();
-    return SqlHelper.checkDataExist(mDb, clazz, expression);
-  }
-
-  /**
-   * 清空表数据
-   */
-  synchronized <T extends DbEntity> void clean(Class<T> clazz) {
-    checkDb();
-    String tableName = CommonUtil.getClassName(clazz);
-    if (tableExists(clazz)) {
-      String sql = "DELETE FROM " + tableName;
-      exeSql(sql);
-    }
-  }
-
-  /**
-   * 执行sql语句
-   */
-  void exeSql(String sql) {
-    mDb.execSQL(sql);
-  }
-
-  /**
-   * 删除某条数据
-   */
-  synchronized <T extends DbEntity> void delData(Class<T> clazz, String... expression) {
-    CheckUtil.checkSqlExpression(expression);
-    checkDb();
-    SqlHelper.delData(mDb, clazz, expression);
-  }
-
-  /**
-   * 修改某行数据
-   */
-  synchronized void modifyData(DbEntity dbEntity) {
-    checkDb();
-    SqlHelper.modifyData(mDb, dbEntity);
-  }
-
-  /**
-   * 遍历所有数据
-   */
-  synchronized <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
-    checkDb();
-    return SqlHelper.findAllData(mDb, clazz);
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  synchronized <T extends DbEntity> List<T> findData(Class<T> clazz, String... expression) {
-    checkDb();
-    return SqlHelper.findData(mDb, clazz, expression);
-  }
-
-  /**
-   * 通过rowId判断数据是否存在
-   */
-  synchronized <T extends DbEntity> boolean isExist(Class<T> clazz, int rowId) {
-    checkDb();
-    String sql = "SELECT rowid FROM " + CommonUtil.getClassName(clazz) + " WHERE rowid=" + rowId;
-    Cursor cursor = mDb.rawQuery(sql, null);
-    boolean isExist = cursor.getCount() > 0;
-    cursor.close();
-    return isExist;
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  @Deprecated synchronized <T extends DbEntity> List<T> findData(Class<T> clazz,
-      @NonNull String[] wheres, @NonNull String[] values) {
-    checkDb();
-    return SqlHelper.findData(mDb, clazz, wheres, values);
-  }
-
-  /**
-   * 插入数据
-   */
-  synchronized void insertData(DbEntity dbEntity) {
-    checkDb();
-    SqlHelper.insertData(mDb, dbEntity);
-  }
-
-  /**
-   * 查找某张表是否存在
-   */
-  synchronized boolean tableExists(Class clazz) {
-    checkDb();
-    return SqlHelper.tableExists(mDb, clazz);
-  }
-
-  synchronized void createTable(Class clazz, String tableName) {
-    checkDb();
-    SqlHelper.createTable(mDb, clazz, tableName);
-  }
-
-  private void checkDb() {
-    if (mDb == null || !mDb.isOpen()) {
-      mDb = mHelper.getReadableDatabase();
-    }
-  }
-
-  /**
-   * 创建表
-   */
-  private synchronized void createTable(Class clazz) {
-    createTable(clazz, null);
-  }
-
-  /**
-   * 关闭数据库
-   */
-  private synchronized void close() {
-    if (mDb != null) {
-      mDb.close();
-    }
-  }
-
-  /**
-   * 获取所在行Id
-   */
-  synchronized int[] getRowId(Class clazz) {
-    checkDb();
-    Cursor cursor = mDb.rawQuery("SELECT rowid, * FROM " + CommonUtil.getClassName(clazz), null);
-    int[] ids = new int[cursor.getCount()];
-    int i = 0;
-    while (cursor.moveToNext()) {
-      ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
-      i++;
-    }
-    cursor.close();
-    close();
-    return ids;
-  }
-
-  /**
-   * 获取行Id
-   */
-  synchronized int getRowId(Class clazz, Object[] wheres, Object[] values) {
-    checkDb();
-    if (wheres.length <= 0 || values.length <= 0) {
-      ALog.e(TAG, "请输入删除条件");
-      return -1;
-    } else if (wheres.length != values.length) {
-      ALog.e(TAG, "groupName 和 vaule 长度不相等");
-      return -1;
-    }
-    StringBuilder sb = new StringBuilder();
-    sb.append("SELECT rowid FROM ").append(CommonUtil.getClassName(clazz)).append(" WHERE ");
-    int i = 0;
-    for (Object where : wheres) {
-      sb.append(where).append("=").append("'").append(values[i]).append("'");
-      sb.append(i >= wheres.length - 1 ? "" : ",");
-      i++;
-    }
-    SqlHelper.print(ROW_ID, sb.toString());
-    Cursor c = mDb.rawQuery(sb.toString(), null);
-    int id = c.getColumnIndex("rowid");
-    c.close();
-    close();
-    return id;
-  }
-}

Aria/src/main/java/com/arialyy/aria/orm/DelegateCommon.java

@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Default;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Primary;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * 通用委托，创建表，检查字段
+ */
+class DelegateCommon extends AbsDelegate {
+  private DelegateCommon() {
+  }
+
+  /**
+   * 删除指定的表
+   */
+  void dropTable(SQLiteDatabase db, String tableName) {
+    db = checkDb(db);
+    String deleteSQL = "DROP TABLE IF EXISTS ".concat(tableName);
+    print(DROP_TABLE, deleteSQL);
+    //db.beginTransaction();
+    db.execSQL(deleteSQL);
+    //db.setTransactionSuccessful();
+    //db.endTransaction();
+  }
+
+  /**
+   * 清空表数据
+   */
+  <T extends DbEntity> void clean(SQLiteDatabase db, Class<T> clazz) {
+    db = checkDb(db);
+    String tableName = CommonUtil.getClassName(clazz);
+    if (tableExists(db, clazz)) {
+      String sql = "DELETE FROM " + tableName;
+      db.execSQL(sql);
+    }
+  }
+
+  /**
+   * 查找表是否存在
+   *
+   * @param clazz 数据库实体
+   * @return true，该数据库实体对应的表存在；false，不存在
+   */
+  boolean tableExists(SQLiteDatabase db, Class clazz) {
+    return tableExists(db, CommonUtil.getClassName(clazz));
+  }
+
+  private boolean tableExists(SQLiteDatabase db, String tableName) {
+    db = checkDb(db);
+    Cursor cursor = null;
+    try {
+      StringBuilder sb = new StringBuilder();
+      sb.append("SELECT COUNT(*) AS c FROM sqlite_master WHERE type='table' AND name='");
+      sb.append(tableName);
+      sb.append("'");
+      print(TABLE_EXISTS, sb.toString());
+      cursor = db.rawQuery(sb.toString(), null);
+      if (cursor != null && cursor.moveToNext()) {
+        int count = cursor.getInt(0);
+        if (count > 0) {
+          return true;
+        }
+      }
+    } catch (Exception e) {
+      e.printStackTrace();
+    } finally {
+      closeCursor(cursor);
+      close(db);
+    }
+    return false;
+  }
+
+  /**
+   * 检查某个字段的值是否存在
+   *
+   * @param expression 字段和值"url=xxx"
+   * @return {@code true}该字段的对应的value已存在
+   */
+  boolean checkDataExist(SQLiteDatabase db, Class clazz, String... expression) {
+    db = checkDb(db);
+    CheckUtil.checkSqlExpression(expression);
+    String sql =
+        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
+    sql = sql.replace("?", "%s");
+    Object[] params = new String[expression.length - 1];
+    for (int i = 0, len = params.length; i < len; i++) {
+      params[i] = "'" + expression[i + 1] + "'";
+    }
+    sql = String.format(sql, params);
+    print(FIND_DATA, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    final boolean isExist = cursor.getCount() > 0;
+    closeCursor(cursor);
+    close(db);
+    return isExist;
+  }
+
+  /**
+   * 创建表
+   *
+   * @param clazz 数据库实体
+   */
+  void createTable(SQLiteDatabase db, Class clazz) {
+    db = checkDb(db);
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    if (fields != null && fields.size() > 0) {
+      //外键Map，在Sqlite3中foreign修饰的字段必须放在最后
+      final List<Field> foreignArray = new ArrayList<>();
+      StringBuilder sb = new StringBuilder();
+      sb.append("CREATE TABLE ")
+          .append(CommonUtil.getClassName(clazz))
+          .append(" (");
+      for (Field field : fields) {
+        field.setAccessible(true);
+        if (SqlUtil.isIgnore(field)) {
+          continue;
+        }
+        Class<?> type = field.getType();
+        sb.append(field.getName());
+        if (type == String.class || type.isEnum()) {
+          sb.append(" VARCHAR");
+        } else if (type == int.class || type == Integer.class) {
+          sb.append(" INTEGER");
+        } else if (type == float.class || type == Float.class) {
+          sb.append(" FLOAT");
+        } else if (type == double.class || type == Double.class) {
+          sb.append(" DOUBLE");
+        } else if (type == long.class || type == Long.class) {
+          sb.append(" BIGINT");
+        } else if (type == boolean.class || type == Boolean.class) {
+          sb.append(" BOOLEAN");
+        } else if (type == java.util.Date.class || type == java.sql.Date.class) {
+          sb.append(" DATA");
+        } else if (type == byte.class || type == Byte.class) {
+          sb.append(" BLOB");
+        } else if (type == Map.class || type == List.class) {
+          sb.append(" TEXT");
+        } else {
+          continue;
+        }
+        if (SqlUtil.isPrimary(field)) {
+          Primary pk = field.getAnnotation(Primary.class);
+          sb.append(" PRIMARY KEY");
+          if (pk.autoincrement() && (type == int.class || type == Integer.class)) {
+            sb.append(" AUTOINCREMENT");
+          }
+        }
+
+        if (SqlUtil.isForeign(field)) {
+          foreignArray.add(field);
+        }
+
+        if (SqlUtil.isNoNull(field)) {
+          sb.append(" NOT NULL");
+        }
+
+        if (SqlUtil.isDefault(field)) {
+          Default d = field.getAnnotation(Default.class);
+          if (!TextUtils.isEmpty(d.value())) {
+            sb.append(" DEFAULT ").append("'").append(d.value()).append("'");
+          }
+        }
+
+        sb.append(",");
+      }
+
+      for (Field field : foreignArray) {
+        Foreign foreign = field.getAnnotation(Foreign.class);
+        sb.append("FOREIGN KEY (")
+            .append(field.getName())
+            .append(") REFERENCES ")
+            .append(CommonUtil.getClassName(foreign.parent()))
+            .append("(")
+            .append(foreign.column())
+            .append(")");
+        ActionPolicy update = foreign.onUpdate();
+        ActionPolicy delete = foreign.onDelete();
+        if (update != ActionPolicy.NO_ACTION) {
+          sb.append(" ON UPDATE ").append(update.function);
+        }
+
+        if (delete != ActionPolicy.NO_ACTION) {
+          sb.append(" ON DELETE ").append(update.function);
+        }
+        sb.append(",");
+      }
+
+      String str = sb.toString();
+      str = str.substring(0, str.length() - 1) + ");";
+      print(CREATE_TABLE, str);
+      db.execSQL(str);
+    }
+    close(db);
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateFind.java

@@ -0,0 +1,512 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.annotation.TargetApi;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Build;
+import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Wrapper;
+import com.arialyy.aria.util.ALog;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * 查询数据
+ */
+class DelegateFind extends AbsDelegate {
+  private final String PARENT_COLUMN_ALIAS = "p";
+  private final String CHILD_COLUMN_ALIAS = "c";
+
+  private DelegateFind() {
+  }
+
+  /**
+   * 查找一对多的关联数据
+   * 如果查找不到数据或实体没有被{@link Wrapper}注解，将返回null
+   * 如果实体中没有{@link One}或{@link Many}注解，将返回null
+   * 如果实体中有多个{@link One}或{@link Many}注解，将返回nul
+   */
+  <T extends AbsWrapper> List<T> findRelationData(SQLiteDatabase db, Class<T> clazz,
+      String... expression) {
+    db = checkDb(db);
+
+    if (SqlUtil.isWrapper(clazz)) {
+      StringBuilder sb = new StringBuilder();
+      Field[] fields = clazz.getDeclaredFields();
+      Field one = null, many = null;
+      boolean hasOne = false, hasMany = false;
+      for (Field field : fields) {
+        if (SqlUtil.isOne(field)) {
+          if (hasOne) {
+            ALog.w(TAG, "查询数据失败，实体中有多个@One 注解");
+            return null;
+          }
+          hasOne = true;
+          one = field;
+        }
+        if (SqlUtil.isMany(field)) {
+          if (hasMany) {
+            ALog.w(TAG, "查询数据失败，实体中有多个@Many 注解");
+            return null;
+          }
+          hasMany = true;
+          many = field;
+        }
+      }
+
+      if (one == null || many == null) {
+        ALog.w(TAG, "查询数据失败，实体中没有@One或@Many注解");
+        return null;
+      }
+
+      if (many.getType() != List.class) {
+        ALog.w(TAG, "查询数据失败，@Many注解的字段必须是List");
+        return null;
+      }
+      try {
+        Many m = many.getAnnotation(Many.class);
+        Class parentClazz = Class.forName(one.getType().getName());
+        Class childClazz = Class.forName(CommonUtil.getListParamType(many).getName());
+        final String pTableName = parentClazz.getSimpleName();
+        final String cTableName = childClazz.getSimpleName();
+        List<Field> pColumn = SqlUtil.getAllNotIgnoreField(parentClazz);
+        List<Field> cColumn = SqlUtil.getAllNotIgnoreField(childClazz);
+        List<String> pColumnAlias = new ArrayList<>();
+        List<String> cColumnAlias = new ArrayList<>();
+        StringBuilder pSb = new StringBuilder();
+        StringBuilder cSb = new StringBuilder();
+
+        if (pColumn != null) {
+          pSb.append(pTableName.concat(".rowid AS ").concat(PARENT_COLUMN_ALIAS).concat("rowid,"));
+          for (Field f : pColumn) {
+            String temp = PARENT_COLUMN_ALIAS.concat(f.getName());
+            pColumnAlias.add(temp);
+            pSb.append(pTableName.concat(".").concat(f.getName()))
+                .append(" AS ")
+                .append(temp)
+                .append(",");
+          }
+        }
+
+        if (cColumn != null) {
+          pSb.append(cTableName.concat(".rowid AS ").concat(CHILD_COLUMN_ALIAS).concat("rowid,"));
+          for (Field f : cColumn) {
+            String temp = CHILD_COLUMN_ALIAS.concat(f.getName());
+            cColumnAlias.add(temp);
+            cSb.append(cTableName.concat(".").concat(f.getName()))
+                .append(" AS ")
+                .append(temp)
+                .append(",");
+          }
+        }
+
+        String pColumnAlia = pSb.toString();
+        String cColumnAlia = cSb.toString();
+        if (!TextUtils.isEmpty(pColumnAlia)) {
+          pColumnAlia = pColumnAlia.substring(0, pColumnAlia.length() - 1);
+        }
+
+        if (!TextUtils.isEmpty(cColumnAlia)) {
+          cColumnAlia = cColumnAlia.substring(0, cColumnAlia.length() - 1);
+        }
+
+        sb.append("SELECT ");
+
+        if (!TextUtils.isEmpty(pColumnAlia)) {
+          sb.append(pColumnAlia).append(",");
+        }
+        if (!TextUtils.isEmpty(cColumnAlia)) {
+          sb.append(cColumnAlia);
+        }
+        if (TextUtils.isEmpty(pColumnAlia) && TextUtils.isEmpty(cColumnAlia)) {
+          sb.append(" * ");
+        }
+
+        sb.append(" FROM ")
+            .append(pTableName)
+            .append(" INNER JOIN ")
+            .append(cTableName)
+            .append(" ON ")
+            .append(pTableName.concat(".").concat(m.parentColumn()))
+            .append(" = ")
+            .append(cTableName.concat(".").concat(m.entityColumn()));
+        String sql;
+        if (expression != null && expression.length > 0) {
+          CheckUtil.checkSqlExpression(expression);
+          sb.append(" WHERE ").append(expression[0]).append(" ");
+          sql = sb.toString();
+          sql = sql.replace("?", "%s");
+          Object[] params = new String[expression.length - 1];
+          for (int i = 0, len = params.length; i < len; i++) {
+            params[i] = "'" + convertValue(expression[i + 1]) + "'";
+          }
+          sql = String.format(sql, params);
+        } else {
+          sql = sb.toString();
+        }
+        print(RELATION, sql);
+        Cursor cursor = db.rawQuery(sql, null);
+        List<T> data =
+            (List<T>) newInstanceEntity(clazz, parentClazz, childClazz, cursor, pColumn, cColumn,
+                pColumnAlias, cColumnAlias);
+        closeCursor(cursor);
+        close(db);
+        return data;
+      } catch (ClassNotFoundException e) {
+        e.printStackTrace();
+      }
+    } else {
+      ALog.w(TAG, "查询数据失败，实体类没有使用@Wrapper 注解");
+      return null;
+    }
+    return null;
+  }
+
+  /**
+   * 创建关联查询的数据
+   *
+   * @param pColumn 父表的所有字段
+   * @param cColumn 字表的所有字段
+   * @param pColumnAlias 关联查询父表别名
+   * @param cColumnAlias 关联查询子表别名
+   */
+  private <T extends AbsWrapper, P extends DbEntity, C extends DbEntity> List<T> newInstanceEntity(
+      Class<T> clazz, Class<P> parent,
+      Class<C> child,
+      Cursor cursor,
+      List<Field> pColumn, List<Field> cColumn,
+      List<String> pColumnAlias, List<String> cColumnAlias) {
+    try {
+      String parentPrimary = ""; //父表主键别名
+      for (Field f : pColumn) {
+        if (SqlUtil.isPrimary(f)) {
+          parentPrimary = PARENT_COLUMN_ALIAS.concat(f.getName());
+          break;
+        }
+      }
+
+      List<T> wrappers = new ArrayList<>();
+      Map<Object, P> tempParent = new WeakHashMap<>();  // 所有父表元素，key为父表主键的值
+      Map<Object, List<C>> tempChild = new WeakHashMap<>(); // 所有的字表元素，key为父表主键的值
+
+      Object old = null;
+      while (cursor.moveToNext()) {
+        //创建父实体
+        Object ppValue = setPPValue(parentPrimary, cursor);
+        if (old == null || ppValue != old) {  //当主键不同时，表示是不同的父表数据
+          old = ppValue;
+          if (tempParent.get(old) == null) {
+            P pEntity = parent.newInstance();
+            String pPrimaryName = "";
+            for (int i = 0, len = pColumnAlias.size(); i < len; i++) {
+              Field pField = pColumn.get(i);
+              pField.setAccessible(true);
+              Class<?> type = pField.getType();
+              int column = cursor.getColumnIndex(pColumnAlias.get(i));
+              if (column == -1) continue;
+              setFieldValue(type, pField, column, cursor, pEntity);
+
+              if (SqlUtil.isPrimary(pField) && (type == int.class || type == Integer.class)) {
+                pPrimaryName = pField.getName();
+              }
+            }
+
+            //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+            pEntity.rowID = cursor.getInt(
+                cursor.getColumnIndex(
+                    TextUtils.isEmpty(pPrimaryName) ? PARENT_COLUMN_ALIAS.concat("rowid")
+                        : pPrimaryName));
+
+            tempParent.put(ppValue, pEntity);
+          }
+        }
+
+        // 创建子实体
+        C cEntity = child.newInstance();
+        String cPrimaryName = "";
+        for (int i = 0, len = cColumnAlias.size(); i < len; i++) {
+          Field cField = cColumn.get(i);
+          cField.setAccessible(true);
+          Class<?> type = cField.getType();
+
+          int column = cursor.getColumnIndex(cColumnAlias.get(i));
+          if (column == -1) continue;
+          setFieldValue(type, cField, column, cursor, cEntity);
+
+          if (SqlUtil.isPrimary(cField) && (type == int.class || type == Integer.class)) {
+            cPrimaryName = cField.getName();
+          }
+        }
+        //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+        cEntity.rowID = cursor.getInt(
+            cursor.getColumnIndex(
+                TextUtils.isEmpty(cPrimaryName) ? CHILD_COLUMN_ALIAS.concat("rowid")
+                    : cPrimaryName));
+        if (tempChild.get(old) == null) {
+          tempChild.put(old, new ArrayList<C>());
+        }
+        tempChild.get(old).add(cEntity);
+      }
+
+      List<Field> wFields = SqlUtil.getAllNotIgnoreField(clazz);
+      if (wFields != null && !wFields.isEmpty()) {
+        Set<Object> pKeys = tempParent.keySet();
+        for (Object pk : pKeys) {
+          T wrapper = clazz.newInstance();
+          P p = tempParent.get(pk);
+          boolean isPSet = false, isCSet = false;
+          for (Field f : wFields) {
+            if (!isPSet && f.getAnnotation(One.class) != null) {
+              f.set(wrapper, p);
+              isPSet = true;
+            }
+            if (!isCSet && f.getAnnotation(Many.class) != null) {
+              f.set(wrapper, tempChild.get(pk));
+              isCSet = true;
+            }
+          }
+          wrapper.handleConvert();  //处理下转换
+          wrappers.add(wrapper);
+        }
+      }
+      return wrappers;
+    } catch (InstantiationException e) {
+      e.printStackTrace();
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    }
+    return null;
+  }
+
+  /**
+   * 获取父表主键数据
+   *
+   * @param parentPrimary 父表主键别名
+   */
+  @TargetApi(Build.VERSION_CODES.HONEYCOMB) private Object setPPValue(String parentPrimary,
+      Cursor cursor) {
+    Object ppValue = null;
+    int ppColumn = cursor.getColumnIndex(parentPrimary);  //父表主键所在的列
+    int type = cursor.getType(ppColumn);
+    switch (type) {
+      case Cursor.FIELD_TYPE_INTEGER:
+        ppValue = cursor.getLong(ppColumn);
+        break;
+      case Cursor.FIELD_TYPE_FLOAT:
+        ppValue = cursor.getFloat(ppColumn);
+        break;
+      case Cursor.FIELD_TYPE_STRING:
+        ppValue = cursor.getString(ppColumn);
+        break;
+    }
+    return ppValue;
+  }
+
+  /**
+   * 条件查寻数据
+   */
+  <T extends DbEntity> List<T> findData(SQLiteDatabase db, Class<T> clazz, String... expression) {
+    db = checkDb(db);
+    CheckUtil.checkSqlExpression(expression);
+    String sql =
+        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
+    sql = sql.replace("?", "%s");
+    Object[] params = new String[expression.length - 1];
+    for (int i = 0, len = params.length; i < len; i++) {
+      params[i] = "'" + convertValue(expression[i + 1]) + "'";
+    }
+    sql = String.format(sql, params);
+    print(FIND_DATA, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    closeCursor(cursor);
+    close(db);
+    return data;
+  }
+
+  /**
+   * 查找表的所有数据
+   */
+  <T extends DbEntity> List<T> findAllData(SQLiteDatabase db, Class<T> clazz) {
+    db = checkDb(db);
+    StringBuilder sb = new StringBuilder();
+    sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz));
+    print(FIND_ALL_DATA, sb.toString());
+    Cursor cursor = db.rawQuery(sb.toString(), null);
+    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(clazz, cursor) : null;
+    closeCursor(cursor);
+    close(db);
+    return data;
+  }
+
+  /**
+   * 根据数据游标创建一个具体的对象
+   */
+  private <T extends DbEntity> List<T> newInstanceEntity(Class<T> clazz, Cursor cursor) {
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    List<T> entitys = new ArrayList<>();
+    if (fields != null && fields.size() > 0) {
+      try {
+        while (cursor.moveToNext()) {
+          T entity = clazz.newInstance();
+          String primaryName = "";
+          for (Field field : fields) {
+            field.setAccessible(true);
+            if (SqlUtil.isIgnore(field)) {
+              continue;
+            }
+
+            Class<?> type = field.getType();
+            if (SqlUtil.isPrimary(field) && (type == int.class || type == Integer.class)) {
+              primaryName = field.getName();
+            }
+
+            int column = cursor.getColumnIndex(field.getName());
+            if (column == -1) continue;
+            setFieldValue(type, field, column, cursor, entity);
+          }
+          //当设置了主键，而且主键的类型为integer时，查询RowID等于主键
+          entity.rowID = cursor.getInt(
+              cursor.getColumnIndex(TextUtils.isEmpty(primaryName) ? "rowid" : primaryName));
+          mDataCache.put(getCacheKey(entity), entity);
+          entitys.add(entity);
+        }
+        closeCursor(cursor);
+      } catch (InstantiationException e) {
+        e.printStackTrace();
+      } catch (IllegalAccessException e) {
+        e.printStackTrace();
+      }
+    }
+    return entitys;
+  }
+
+  /**
+   * 设置字段的值
+   *
+   * @throws IllegalAccessException
+   */
+  private void setFieldValue(Class type, Field field, int column, Cursor cursor, Object entity)
+      throws IllegalAccessException {
+    if (type == String.class) {
+      String temp = cursor.getString(column);
+      if (!TextUtils.isEmpty(temp)) {
+        field.set(entity, URLDecoder.decode(temp));
+      }
+    } else if (type == int.class || type == Integer.class) {
+      field.setInt(entity, cursor.getInt(column));
+    } else if (type == float.class || type == Float.class) {
+      field.setFloat(entity, cursor.getFloat(column));
+    } else if (type == double.class || type == Double.class) {
+      field.setDouble(entity, cursor.getDouble(column));
+    } else if (type == long.class || type == Long.class) {
+      field.setLong(entity, cursor.getLong(column));
+    } else if (type == boolean.class || type == Boolean.class) {
+      String temp = cursor.getString(column);
+      if (TextUtils.isEmpty(temp)) {
+        field.setBoolean(entity, false);
+      } else {
+        field.setBoolean(entity, !temp.equalsIgnoreCase("false"));
+      }
+    } else if (type == java.util.Date.class || type == java.sql.Date.class) {
+      field.set(entity, new Date(cursor.getString(column)));
+    } else if (type == byte[].class) {
+      field.set(entity, cursor.getBlob(column));
+    } else if (type == Map.class) {
+      String temp = cursor.getString(column);
+      if (!TextUtils.isEmpty(temp)) {
+        field.set(entity, SqlUtil.str2Map(temp));
+      }
+    } else if (type == List.class) {
+      String value = cursor.getString(column);
+      if (!TextUtils.isEmpty(value)) {
+        field.set(entity, SqlUtil.str2List(value, field));
+      }
+    }
+  }
+
+  /**
+   * 获取所在行Id
+   */
+  int[] getRowId(SQLiteDatabase db, Class clazz) {
+    db = checkDb(db);
+    Cursor cursor = db.rawQuery("SELECT rowid, * FROM " + CommonUtil.getClassName(clazz), null);
+    int[] ids = new int[cursor.getCount()];
+    int i = 0;
+    while (cursor.moveToNext()) {
+      ids[i] = cursor.getInt(cursor.getColumnIndex("rowid"));
+      i++;
+    }
+    cursor.close();
+    close(db);
+    return ids;
+  }
+
+  /**
+   * 获取行Id
+   */
+  int getRowId(SQLiteDatabase db, Class clazz, Object[] wheres, Object[] values) {
+    db = checkDb(db);
+    if (wheres.length <= 0 || values.length <= 0) {
+      ALog.e(TAG, "请输入删除条件");
+      return -1;
+    } else if (wheres.length != values.length) {
+      ALog.e(TAG, "groupName 和 vaule 长度不相等");
+      return -1;
+    }
+    StringBuilder sb = new StringBuilder();
+    sb.append("SELECT rowid FROM ").append(CommonUtil.getClassName(clazz)).append(" WHERE ");
+    int i = 0;
+    for (Object where : wheres) {
+      sb.append(where).append("=").append("'").append(values[i]).append("'");
+      sb.append(i >= wheres.length - 1 ? "" : ",");
+      i++;
+    }
+    print(ROW_ID, sb.toString());
+    Cursor c = db.rawQuery(sb.toString(), null);
+    int id = c.getColumnIndex("rowid");
+    c.close();
+    close(db);
+    return id;
+  }
+
+  /**
+   * 通过rowId判断数据是否存在
+   */
+  <T extends DbEntity> boolean itemExist(SQLiteDatabase db, Class<T> clazz,
+      int rowId) {
+    db = checkDb(db);
+    String sql = "SELECT rowid FROM " + CommonUtil.getClassName(clazz) + " WHERE rowid=" + rowId;
+    print(ROW_ID, sql);
+    Cursor cursor = db.rawQuery(sql, null);
+    boolean isExist = cursor.getCount() > 0;
+    cursor.close();
+    return isExist;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateManager.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.util.SparseArray;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * Delegate管理器
+ */
+class DelegateManager {
+  private final String TAG = "ModuleFactory";
+
+  private SparseArray<AbsDelegate> mDelegates = new SparseArray<>();
+  private static volatile DelegateManager INSTANCE = null;
+
+  private DelegateManager() {
+
+  }
+
+  static DelegateManager getInstance() {
+    if (INSTANCE == null) {
+      synchronized (DelegateManager.class) {
+        INSTANCE = new DelegateManager();
+      }
+    }
+    return INSTANCE;
+  }
+
+  /**
+   * 获取Module
+   */
+  <M extends AbsDelegate> M getDelegate(Class<M> clazz) {
+    M delegate = (M) mDelegates.get(clazz.hashCode());
+    try {
+      if (delegate == null) {
+        Constructor c = clazz.getDeclaredConstructor();
+        c.setAccessible(true);
+        delegate = (M) c.newInstance();
+        mDelegates.put(clazz.hashCode(), delegate);
+        return delegate;
+      }
+    } catch (InstantiationException e) {
+      e.printStackTrace();
+    } catch (IllegalAccessException e) {
+      e.printStackTrace();
+    } catch (NoSuchMethodException e) {
+      e.printStackTrace();
+    } catch (InvocationTargetException e) {
+      e.printStackTrace();
+    }
+    return delegate;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateUpdate.java

@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm;
+
+import android.database.sqlite.SQLiteDatabase;
+import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Primary;
+import com.arialyy.aria.util.CheckUtil;
+import com.arialyy.aria.util.CommonUtil;
+import java.lang.reflect.Field;
+import java.lang.reflect.Type;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by laoyuyu on 2018/3/22.
+ * 增加数据、更新数据
+ */
+class DelegateUpdate extends AbsDelegate {
+  private DelegateUpdate() {
+  }
+
+  /**
+   * 删除某条数据
+   */
+  <T extends DbEntity> void delData(SQLiteDatabase db, Class<T> clazz, String... expression) {
+    db = checkDb(db);
+    CheckUtil.checkSqlExpression(expression);
+
+    String sql = "DELETE FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
+    sql = sql.replace("?", "%s");
+    Object[] params = new String[expression.length - 1];
+    for (int i = 0, len = params.length; i < len; i++) {
+      params[i] = "'" + expression[i + 1] + "'";
+    }
+    sql = String.format(sql, params);
+    print(DEL_DATA, sql);
+    db.execSQL(sql);
+    close(db);
+  }
+
+  /**
+   * 修改某行数据
+   */
+  void modifyData(SQLiteDatabase db, DbEntity dbEntity) {
+    db = checkDb(db);
+    Class<?> clazz = dbEntity.getClass();
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    DbEntity cacheEntity = mDataCache.get(getCacheKey(dbEntity));
+    if (fields != null && fields.size() > 0) {
+      StringBuilder sql = new StringBuilder();
+      StringBuilder prams = new StringBuilder();
+      sql.append("UPDATE ").append(CommonUtil.getClassName(dbEntity)).append(" SET ");
+      int i = 0;
+      try {
+        for (Field field : fields) {
+          field.setAccessible(true);
+          if (isIgnore(dbEntity, field)) {
+            continue;
+          }
+          if (cacheEntity != null
+              && field.get(dbEntity) == field.get(cacheEntity)
+              && !field.getName().equals("state")) {  //在LruCache中 state字段总是不能重新赋值...
+            continue;
+          }
+
+          String value;
+          prams.append(i > 0 ? ", " : "");
+          prams.append(field.getName()).append("='");
+          Type type = field.getType();
+          if (type == Map.class && checkMap(field)) {
+            value = SqlUtil.map2Str((Map<String, String>) field.get(dbEntity));
+          } else if (type == List.class && checkList(field)) {
+            value = SqlUtil.list2Str(dbEntity, field);
+          } else {
+            Object obj = field.get(dbEntity);
+            value = obj == null ? "" : convertValue(obj.toString());
+          }
+
+          prams.append(TextUtils.isEmpty(value) ? "" : value);
+          prams.append("'");
+          i++;
+        }
+      } catch (IllegalAccessException e) {
+        e.printStackTrace();
+      }
+      if (!TextUtils.isEmpty(prams.toString())) {
+        sql.append(prams.toString());
+        sql.append(" where rowid=").append(dbEntity.rowID);
+        print(MODIFY_DATA, sql.toString());
+        db.execSQL(sql.toString());
+      }
+    }
+    mDataCache.put(getCacheKey(dbEntity), dbEntity);
+    close(db);
+  }
+
+  /**
+   * 插入数据
+   */
+  void insertData(SQLiteDatabase db, DbEntity dbEntity) {
+    db = checkDb(db);
+    Class<?> clazz = dbEntity.getClass();
+    List<Field> fields = CommonUtil.getAllFields(clazz);
+    if (fields != null && fields.size() > 0) {
+      StringBuilder sb = new StringBuilder();
+      sb.append("INSERT INTO ").append(CommonUtil.getClassName(dbEntity)).append("(");
+      int i = 0;
+      try {
+        for (Field field : fields) {
+          field.setAccessible(true);
+          if (isIgnore(dbEntity, field)) {
+            continue;
+          }
+          sb.append(i > 0 ? ", " : "");
+          sb.append(field.getName());
+          i++;
+        }
+        sb.append(") VALUES (");
+        i = 0;
+        for (Field field : fields) {
+          field.setAccessible(true);
+          if (isIgnore(dbEntity, field)) {
+            continue;
+          }
+          sb.append(i > 0 ? ", " : "");
+          sb.append("'");
+          Type type = field.getType();
+          if (type == Map.class && checkMap(field)) {
+            sb.append(SqlUtil.map2Str((Map<String, String>) field.get(dbEntity)));
+          } else if (type == List.class && checkList(field)) {
+            sb.append(SqlUtil.list2Str(dbEntity, field));
+          } else {
+            Object obj = field.get(dbEntity);
+            if (obj != null) {
+              sb.append(convertValue(field.get(dbEntity).toString()));
+            }
+          }
+          sb.append("'");
+          i++;
+        }
+      } catch (IllegalAccessException e) {
+        e.printStackTrace();
+      }
+      sb.append(")");
+      print(INSERT_DATA, sb.toString());
+      db.execSQL(sb.toString());
+    }
+    close(db);
+  }
+
+  /**
+   * {@code true}自动增长的主键和需要忽略的字段
+   */
+  private boolean isIgnore(Object obj, Field field) throws IllegalAccessException {
+    if (SqlUtil.isIgnore(field)) {
+      return true;
+    }
+    if (SqlUtil.isPrimary(field)) {   //忽略自动增长的主键
+      Primary p = field.getAnnotation(Primary.class);
+      if (p.autoincrement()) {
+        return true;
+      }
+    }
+    if (SqlUtil.isForeign(field)) {   //忽略外键为null的字段
+      Object value = field.get(obj);
+      if (value == null || (value instanceof String && TextUtils.isEmpty(String.valueOf(value)))) {
+        return true;
+      }
+    }
+    return false;
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/DelegateWrapper.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.orm;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import java.util.List;
+
+/**
+ * Created by lyy on 2015/2/11.
+ * 数据库操作工具
+ */
+public class DelegateWrapper {
+  private static final String TAG = "DelegateWrapper";
+  private volatile static DelegateWrapper INSTANCE = null;
+
+  private SQLiteDatabase mDb;
+  private DelegateManager mDManager;
+
+  private DelegateWrapper() {
+
+  }
+
+  private DelegateWrapper(Context context) {
+    SqlHelper helper = SqlHelper.init(context.getApplicationContext());
+    mDb = helper.getWritableDatabase();
+    mDManager = DelegateManager.getInstance();
+  }
+
+  public static void init(Context context) {
+    synchronized (DelegateWrapper.class) {
+      if (INSTANCE == null) {
+        INSTANCE = new DelegateWrapper(context);
+      }
+    }
+  }
+
+  static DelegateWrapper getInstance() {
+    if (INSTANCE == null) {
+      throw new NullPointerException("请在Application中调用init进行数据库工具注册注册");
+    }
+    return INSTANCE;
+  }
+
+  /**
+   * 查询关联表数据
+   *
+   * @param expression 查询条件
+   */
+  <T extends AbsWrapper> List<T> findRelationData(Class<T> clazz, String... expression) {
+    return mDManager.getDelegate(DelegateFind.class).findRelationData(mDb, clazz, expression);
+  }
+
+  /**
+   * 检查某个字段的值是否存在
+   *
+   * @param expression 字段和值"url=xxx"
+   * @return {@code true}该字段的对应的value已存在
+   */
+  boolean checkDataExist(Class clazz, String... expression) {
+    return mDManager.getDelegate(DelegateCommon.class)
+        .checkDataExist(mDb, clazz, expression);
+  }
+
+  /**
+   * 清空表数据
+   */
+  <T extends DbEntity> void clean(Class<T> clazz) {
+    mDManager.getDelegate(DelegateCommon.class).clean(mDb, clazz);
+  }
+
+  /**
+   * 执行sql语句
+   */
+  void exeSql(String sql) {
+    mDb.execSQL(sql);
+  }
+
+  /**
+   * 删除某条数据
+   */
+  <T extends DbEntity> void delData(Class<T> clazz, String... expression) {
+    mDManager.getDelegate(DelegateUpdate.class).delData(mDb, clazz, expression);
+  }
+
+  /**
+   * 修改某行数据
+   */
+  void modifyData(DbEntity dbEntity) {
+    mDManager.getDelegate(DelegateUpdate.class).modifyData(mDb, dbEntity);
+  }
+
+  /**
+   * 遍历所有数据
+   */
+  <T extends DbEntity> List<T> findAllData(Class<T> clazz) {
+    return mDManager.getDelegate(DelegateFind.class).findAllData(mDb, clazz);
+  }
+
+  /**
+   * 条件查寻数据
+   */
+  <T extends DbEntity> List<T> findData(Class<T> clazz, String... expression) {
+    return mDManager.getDelegate(DelegateFind.class).findData(mDb, clazz, expression);
+  }
+
+  /**
+   * 通过rowId判断数据是否存在
+   */
+  <T extends DbEntity> boolean isExist(Class<T> clazz, int rowId) {
+    return mDManager.getDelegate(DelegateFind.class).itemExist(mDb, clazz, rowId);
+  }
+
+  /**
+   * 插入数据
+   */
+  void insertData(DbEntity dbEntity) {
+    mDManager.getDelegate(DelegateUpdate.class).insertData(mDb, dbEntity);
+  }
+
+  /**
+   * 查找某张表是否存在
+   */
+  boolean tableExists(Class clazz) {
+    return mDManager.getDelegate(DelegateCommon.class).tableExists(mDb, clazz);
+  }
+
+  /**
+   * 获取所在行Id
+   */
+  int[] getRowId(Class clazz) {
+    return mDManager.getDelegate(DelegateFind.class).getRowId(mDb, clazz);
+  }
+
+  /**
+   * 获取行Id
+   */
+  int getRowId(Class clazz, Object[] wheres, Object[] values) {
+    return mDManager.getDelegate(DelegateFind.class).getRowId(mDb, clazz, wheres, values);
+  }
+}

Aria/src/main/java/com/arialyy/aria/orm/NormalList.java

@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.arialyy.aria.orm;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Created by AriaL on 2017/7/4.
- * 基本类型的List，只能用于常见的数据类型，如果是一对多的复杂数据结构，需要使用{@link OneToMany}
- */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface NormalList {
-  /**
-   * 数据类型
-   */
-  Class clazz();
-}

Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java

@@ -20,21 +20,11 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.support.annotation.NonNull;
-import android.support.v4.util.LruCache;
 import android.text.TextUtils;
-import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.util.ALog;
-import com.arialyy.aria.util.CheckUtil;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
-import java.lang.reflect.Type;
-import java.net.URLDecoder;
-import java.net.URLEncoder;
-import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
 
 /**
@@ -43,31 +33,34 @@ import java.util.Set;
  */
 final class SqlHelper extends SQLiteOpenHelper {
   private static final String TAG = "SqlHelper";
-  private static final int CREATE_TABLE = 0;
+  /**
-  private static final int TABLE_EXISTS = 1;
+   * 是否将数据库保存在Sd卡，{@code true} 是
-  private static final int INSERT_DATA = 2;
+   */
-  private static final int MODIFY_DATA = 3;
+  private static final boolean SAVE_IN_SDCARD = false;
-  private static final int FIND_DATA = 4;
+
-  private static final int FIND_ALL_DATA = 5;
+  static volatile SqlHelper INSTANCE = null;
-  private static final int DEL_DATA = 6;
 
-  private static volatile SqlHelper INSTANCE = null;
+  private DelegateCommon mDelegate;
-  private static LruCache<String, DbEntity> mDataCache = new LruCache<>(1024);
-  //private static Map<String, DbEntity> mDataCache = new ConcurrentHashMap<>();
 
   static SqlHelper init(Context context) {
     if (INSTANCE == null) {
-      synchronized (AriaManager.LOCK) {
+      synchronized (SqlHelper.class) {
-        INSTANCE = new SqlHelper(context.getApplicationContext());
+        DelegateCommon delegate = DelegateManager.getInstance().getDelegate(DelegateCommon.class);
+        INSTANCE = new SqlHelper(context.getApplicationContext(), delegate);
         SQLiteDatabase db = INSTANCE.getWritableDatabase();
-        db = checkDb(db);
+        db = delegate.checkDb(db);
+        // SQLite在3.6.19版本中开始支持外键约束，
+        // 而在Android中 2.1以前的版本使用的SQLite版本是3.5.9， 在2.2版本中使用的是3.6.22.
+        // 但是为了兼容以前的程序，默认并没有启用该功能，如果要启用该功能
+        // 需要使用如下语句：
+        db.execSQL("PRAGMA foreign_keys=ON;");
         Set<String> tables = DBConfig.mapping.keySet();
         for (String tableName : tables) {
           Class clazz = null;
           clazz = DBConfig.mapping.get(tableName);
 
-          if (!tableExists(db, clazz)) {
+          if (!delegate.tableExists(db, clazz)) {
-            createTable(db, clazz, null);
+            delegate.createTable(db, clazz);
           }
         }
       }
@@ -75,8 +68,10 @@ final class SqlHelper extends SQLiteOpenHelper {
     return INSTANCE;
   }
 
-  private SqlHelper(Context context) {
+  private SqlHelper(Context context, DelegateCommon delegate) {
-    super(context, DBConfig.DB_NAME, null, DBConfig.VERSION);
+    super(SAVE_IN_SDCARD ? new DatabaseContext(context) : context, DBConfig.DB_NAME, null,
+        DBConfig.VERSION);
+    mDelegate = delegate;
   }
 
   @Override public void onCreate(SQLiteDatabase db) {
@@ -85,7 +80,11 @@ final class SqlHelper extends SQLiteOpenHelper {
 
   @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
     if (oldVersion < newVersion) {
-      handleDbUpdate(db);
+      if (oldVersion < 31) {
+        handle314AriaUpdate(db);
+      } else {
+        handleDbUpdate(db);
+      }
     }
   }
 
@@ -110,635 +109,98 @@ final class SqlHelper extends SQLiteOpenHelper {
     Set<String> tables = DBConfig.mapping.keySet();
     for (String tableName : tables) {
       Class clazz = DBConfig.mapping.get(tableName);
-      if (tableExists(db, clazz)) {
+      if (mDelegate.tableExists(db, clazz)) {
         String countColumnSql = "SELECT rowid FROM " + tableName;
         Cursor cursor = db.rawQuery(countColumnSql, null);
         int dbColumnNum = cursor.getColumnCount();
-        int newEntityColumnNum = getEntityAttr(clazz);
+        List<Field> fields = SqlUtil.getAllNotIgnoreField(clazz);
+        int newEntityColumnNum = (fields == null || fields.isEmpty()) ? 0 : fields.size();
         if (dbColumnNum != newEntityColumnNum) {
-          back(db, clazz);
+          db = mDelegate.checkDb(db);
-        }
+          //备份数据
-      }
+          List<DbEntity> list =
-    }
+              DelegateManager.getInstance().getDelegate(DelegateFind.class).findAllData(db, clazz);
-  }
+          //修改表名为中介表名
-
+          String alertSql = "ALTER TABLE " + tableName + " RENAME TO " + tableName + "_temp";
-  /**
+          //db.beginTransaction();
-   * 备份
+          db.execSQL(alertSql);
-   */
+
-  private void back(SQLiteDatabase db, Class clazz) {
+          //创建一个原本的表
-    db = checkDb(db);
+          mDelegate.createTable(db, clazz);
-    String oldTableName = CommonUtil.getClassName(clazz);
+          //传入原来的数据
-    //备份数据
+          if (list != null && list.size() > 0) {
-    List<DbEntity> list = findAllData(db, clazz);
+            DelegateUpdate update = DelegateManager.getInstance().getDelegate(DelegateUpdate.class);
-    //修改原来表名字
+            for (DbEntity entity : list) {
-    String alertSql = "alter table " + oldTableName + " rename to " + oldTableName + "_temp";
+              update.insertData(db, entity);
-    db.beginTransaction();
-    db.execSQL(alertSql);
-    //创建一个原来新表
-    createTable(db, clazz, null);
-    if (list != null && list.size() > 0) {
-      for (DbEntity entity : list) {
-        insertData(db, entity);
-      }
-    }
-    //删除原来的表
-    String deleteSQL = "drop table IF EXISTS " + oldTableName + "_temp";
-    db.execSQL(deleteSQL);
-    db.setTransactionSuccessful();
-    db.endTransaction();
-    close(db);
-  }
-
-  /**
-   * 获取实体的字段数
-   */
-  private int getEntityAttr(Class clazz) {
-    int count = 1;
-    List<Field> fields = CommonUtil.getAllFields(clazz);
-    if (fields != null && fields.size() > 0) {
-      for (Field field : fields) {
-        field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
-          continue;
-        }
-        count++;
-      }
-    }
-    return count;
-  }
-
-  ///**
-  // * 关键字模糊检索全文
-  // *
-  // * @param column 需要查找的列
-  // * @param mathSql 关键字语法，exsimple “white OR green”、“blue AND red”、“white NOT green”
-  // */
-  //public static <T extends DbEntity> List<T> searchData(SQLiteDatabase db, Class<T> clazz,
-  //    String column, String mathSql) {
-  //  String sql = "SELECT * FROM "
-  //      + CommonUtil.getClassName(clazz)
-  //      + " WHERE "
-  //      + column
-  //      + " MATCH '"
-  //      + mathSql
-  //      + "'";
-  //
-  //  Cursor cursor = db.rawQuery(sql, null);
-  //  List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
-  //  closeCursor(cursor);
-  //  return data;
-  //}
-
-  /**
-   * 检查某个字段的值是否存在
-   *
-   * @param expression 字段和值"url=xxx"
-   * @return {@code true}该字段的对应的value已存在
-   */
-  static synchronized boolean checkDataExist(SQLiteDatabase db, Class clazz, String... expression) {
-    db = checkDb(db);
-    CheckUtil.checkSqlExpression(expression);
-    String sql =
-        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
-    sql = sql.replace("?", "%s");
-    Object[] params = new String[expression.length - 1];
-    for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + expression[i + 1] + "'";
-    }
-    sql = String.format(sql, params);
-    print(FIND_DATA, sql);
-    Cursor cursor = db.rawQuery(sql, null);
-    final boolean isExist = cursor.getCount() > 0;
-    closeCursor(cursor);
-    close(db);
-    return isExist;
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  static synchronized <T extends DbEntity> List<T> findData(SQLiteDatabase db, Class<T> clazz,
-      String... expression) {
-    db = checkDb(db);
-    CheckUtil.checkSqlExpression(expression);
-    String sql =
-        "SELECT rowid, * FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
-    sql = sql.replace("?", "%s");
-    Object[] params = new String[expression.length - 1];
-    for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + checkValue(expression[i + 1]) + "'";
-    }
-    sql = String.format(sql, params);
-    print(FIND_DATA, sql);
-    Cursor cursor = db.rawQuery(sql, null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
-    closeCursor(cursor);
-    close(db);
-    return data;
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  static synchronized <T extends DbEntity> List<T> findData(SQLiteDatabase db, String tableName,
-      String... expression) {
-    Class<T> clazz = null;
-    try {
-      clazz = (Class<T>) Class.forName(tableName);
-    } catch (ClassNotFoundException e) {
-      e.printStackTrace();
-    }
-    return findData(db, clazz, expression);
-  }
-
-  /**
-   * 条件查寻数据
-   */
-  @Deprecated static synchronized <T extends DbEntity> List<T> findData(SQLiteDatabase db,
-      Class<T> clazz, @NonNull String[] wheres, @NonNull String[] values) {
-    db = checkDb(db);
-    if (wheres.length <= 0 || values.length <= 0) {
-      ALog.e(TAG, "请输入查询条件");
-      return null;
-    } else if (wheres.length != values.length) {
-      ALog.e(TAG, "groupName 和 vaule 长度不相等");
-      return null;
-    }
-    StringBuilder sb = new StringBuilder();
-    sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz)).append(" where ");
-    int i = 0;
-    for (Object where : wheres) {
-      sb.append(where).append("=").append("'").append(checkValue(values[i])).append("'");
-      sb.append(i >= wheres.length - 1 ? "" : " AND ");
-      i++;
-    }
-    print(FIND_DATA, sb.toString());
-    Cursor cursor = db.rawQuery(sb.toString(), null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
-    closeCursor(cursor);
-    close(db);
-    return data;
-  }
-
-  private static String checkValue(String value) {
-    if (value.contains("'")) {
-      return URLEncoder.encode(value);
-    }
-    return value;
-  }
-
-  /**
-   * 查找表的所有数据
-   */
-  static synchronized <T extends DbEntity> List<T> findAllData(SQLiteDatabase db, Class<T> clazz) {
-    db = checkDb(db);
-    StringBuilder sb = new StringBuilder();
-    sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz));
-    print(FIND_ALL_DATA, sb.toString());
-    Cursor cursor = db.rawQuery(sb.toString(), null);
-    List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
-    closeCursor(cursor);
-    close(db);
-    return data;
-  }
-
-  /**
-   * 删除某条数据
-   */
-  static synchronized <T extends DbEntity> void delData(SQLiteDatabase db, Class<T> clazz,
-      String... expression) {
-    db = checkDb(db);
-    CheckUtil.checkSqlExpression(expression);
-
-    //List<Field> fields = CommonUtil.getAllFields(clazz);
-    //for (Field field : fields) {
-    //  if (SqlUtil.isOneToOne(field)) {
-    //    OneToOne oto = field.getAnnotation(OneToOne.class);
-    //    delData(db, oto.table(), oto.key() + "=?", );
-    //  } else if (SqlUtil.isOneToMany(field)) {
-    //    OneToMany otm = field.getAnnotation(OneToMany.class);
-    //    delData(db, otm.table(), otm.key() + "=?", otm.key());
-    //  }
-    //}
-
-    String sql = "DELETE FROM " + CommonUtil.getClassName(clazz) + " WHERE " + expression[0] + " ";
-    sql = sql.replace("?", "%s");
-    Object[] params = new String[expression.length - 1];
-    for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + expression[i + 1] + "'";
-    }
-    sql = String.format(sql, params);
-    SqlHelper.print(DEL_DATA, sql);
-    db.execSQL(sql);
-    close(db);
-  }
-
-  /**
-   * 修改某行数据
-   */
-  static synchronized void modifyData(SQLiteDatabase db, DbEntity dbEntity) {
-    db = checkDb(db);
-    Class<?> clazz = dbEntity.getClass();
-    List<Field> fields = CommonUtil.getAllFields(clazz);
-    DbEntity cacheEntity = mDataCache.get(getCacheKey(dbEntity));
-    if (fields != null && fields.size() > 0) {
-      StringBuilder sql = new StringBuilder();
-      StringBuilder prams = new StringBuilder();
-      sql.append("UPDATE ").append(CommonUtil.getClassName(dbEntity)).append(" SET ");
-      int i = 0;
-      for (Field field : fields) {
-        field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
-          continue;
-        }
-        try {
-          if (cacheEntity != null
-              && field.get(dbEntity) == field.get(cacheEntity)
-              && !field.getName().equals("state")) {  //在LruCache中 state字段总是不能重新赋值...
-            //if (dbEntity instanceof DownloadEntity && field.getName().equals("state")) {
-            //  Log.i(TAG, "cacheState => "
-            //      + ((DownloadEntity) cacheEntity).getState()
-            //      + ", newState => "
-            //      + ((DownloadEntity) dbEntity).getState());
-            //}
-            continue;
-          }
-
-          //sb.append(i > 0 ? ", " : "");
-          //sb.append(field.getName()).append("='");
-          String value;
-          prams.append(i > 0 ? ", " : "");
-          prams.append(field.getName()).append("='");
-          Type type = field.getType();
-          if (type == Map.class) {
-            value = SqlUtil.map2Str((Map<String, String>) field.get(dbEntity));
-          } else if (type == List.class) {
-            if (SqlUtil.isOneToMany(field)) {
-              value = SqlUtil.getOneToManyElementParams(field);
-            } else {
-              value = SqlUtil.list2Str(dbEntity, field);
             }
-          } else if (SqlUtil.isOneToOne(field)) {
-            value = SqlUtil.getOneToOneParams(field);
-          } else {
-            Object obj = field.get(dbEntity);
-            value = obj == null ? "" : checkValue(obj.toString());
           }
-
+          //删除中介表
-          //sb.append(value == null ? "" : value);
+          mDelegate.dropTable(db, tableName + "_temp");
-          //sb.append("'");
-          prams.append(TextUtils.isEmpty(value) ? "" : value);
-          prams.append("'");
-        } catch (IllegalAccessException e) {
-          e.printStackTrace();
         }
-        i++;
-      }
-      if (!TextUtils.isEmpty(prams.toString())) {
-        sql.append(prams.toString());
-        sql.append(" where rowid=").append(dbEntity.rowID);
-        print(MODIFY_DATA, sql.toString());
-        db.execSQL(sql.toString());
       }
     }
-    mDataCache.put(getCacheKey(dbEntity), dbEntity);
+    //db.setTransactionSuccessful();
-    close(db);
+    //db.endTransaction();
-  }
+    mDelegate.close(db);
-
-  private static String getCacheKey(DbEntity dbEntity) {
-    return dbEntity.getClass().getName() + "_" + dbEntity.rowID;
   }
 
   /**
-   * 插入数据
+   * 处理3.4版本之前数据库迁移，主要是修改子表外键字段对应的值
    */
-  static synchronized void insertData(SQLiteDatabase db, DbEntity dbEntity) {
+  private void handle314AriaUpdate(SQLiteDatabase db) {
-    db = checkDb(db);
+    Set<String> tables = DBConfig.mapping.keySet();
-    Class<?> clazz = dbEntity.getClass();
+    for (String tableName : tables) {
-    List<Field> fields = CommonUtil.getAllFields(clazz);
+      Class clazz = DBConfig.mapping.get(tableName);
-    if (fields != null && fields.size() > 0) {
-      StringBuilder sb = new StringBuilder();
-      sb.append("INSERT INTO ").append(CommonUtil.getClassName(dbEntity)).append("(");
-      int i = 0;
-      for (Field field : fields) {
-        field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
-          continue;
-        }
-        sb.append(i > 0 ? ", " : "");
-        sb.append(field.getName());
-        i++;
-      }
-      sb.append(") VALUES (");
-      i = 0;
-      try {
-        for (Field field : fields) {
-          field.setAccessible(true);
-          if (SqlUtil.ignoreField(field)) {
-            continue;
-          }
-          sb.append(i > 0 ? ", " : "");
-          sb.append("'");
-          Type type = field.getType();
-          if (type == Map.class) {
-            sb.append(SqlUtil.map2Str((Map<String, String>) field.get(dbEntity)));
-          } else if (type == List.class) {
-            if (SqlUtil.isOneToMany(field)) {
-              sb.append(SqlUtil.getOneToManyElementParams(field));
-            } else {
-              sb.append(SqlUtil.list2Str(dbEntity, field));
-            }
-          } else if (SqlUtil.isOneToOne(field)) {
-            sb.append(SqlUtil.getOneToOneParams(field));
-          } else {
-            sb.append(checkValue(field.get(dbEntity).toString()));
-          }
-          sb.append("'");
-          i++;
-        }
-      } catch (IllegalAccessException e) {
-        e.printStackTrace();
-      }
-      sb.append(")");
-      print(INSERT_DATA, sb.toString());
-      db.execSQL(sb.toString());
-    }
-    close(db);
-  }
-
-  /**
-   * 查找表是否存在
-   *
-   * @param clazz 数据库实体
-   * @return true，该数据库实体对应的表存在；false，不存在
-   */
-  static synchronized boolean tableExists(SQLiteDatabase db, Class clazz) {
-    return tableExists(db, CommonUtil.getClassName(clazz));
-  }
-
-  static synchronized boolean tableExists(SQLiteDatabase db, String tableName) {
-    db = checkDb(db);
-    Cursor cursor = null;
-    try {
-      StringBuilder sb = new StringBuilder();
-      sb.append("SELECT COUNT(*) AS c FROM sqlite_master WHERE type='table' AND name='");
-      sb.append(tableName);
-      sb.append("'");
-      print(TABLE_EXISTS, sb.toString());
-      cursor = db.rawQuery(sb.toString(), null);
-      if (cursor != null && cursor.moveToNext()) {
-        int count = cursor.getInt(0);
-        if (count > 0) {
-          return true;
-        }
-      }
-    } catch (Exception e) {
-      e.printStackTrace();
-    } finally {
-      closeCursor(cursor);
-      close(db);
-    }
-    return false;
-  }
-
-  /**
-   * 创建表
-   *
-   * @param clazz 数据库实体
-   * @param tableName 数据库实体的类名
-   */
-  static synchronized void createTable(SQLiteDatabase db, Class clazz, String tableName) {
-    db = checkDb(db);
-    createFTSTable(db);
-    List<Field> fields = CommonUtil.getAllFields(clazz);
-    if (fields != null && fields.size() > 0) {
-      //外键Map，在Sqlite3中foreign修饰的字段必须放在最后
-      final List<Field> foreignArray = new ArrayList<>();
-      StringBuilder sb = new StringBuilder();
-      //sb.append("create VIRTUAL table ")
-      sb.append("create table ")
-          .append(TextUtils.isEmpty(tableName) ? CommonUtil.getClassName(clazz) : tableName)
-          //.append(" USING fts4(");
-          .append(" (");
-      for (Field field : fields) {
-        field.setAccessible(true);
-        if (SqlUtil.ignoreField(field)) {
-          continue;
-        }
-        Class<?> type = field.getType();
-        sb.append(field.getName());
-        if (type == String.class || SqlUtil.isOneToOne(field) || type.isEnum()) {
-          sb.append(" varchar");
-        } else if (type == int.class || type == Integer.class) {
-          sb.append(" interger");
-        } else if (type == float.class || type == Float.class) {
-          sb.append(" float");
-        } else if (type == double.class || type == Double.class) {
-          sb.append(" double");
-        } else if (type == long.class || type == Long.class) {
-          sb.append(" bigint");
-        } else if (type == boolean.class || type == Boolean.class) {
-          sb.append(" boolean");
-        } else if (type == java.util.Date.class || type == java.sql.Date.class) {
-          sb.append(" data");
-        } else if (type == byte.class || type == Byte.class) {
-          sb.append(" blob");
-        } else if (type == Map.class || type == List.class) {
-          sb.append(" text");
-        } else {
-          continue;
-        }
-        if (SqlUtil.isPrimary(field)) {
-          //sb.append(" PRIMARY KEY");
-
-        }
-        if (SqlUtil.isForeign(field)) {
-          //foreignArray.add(field);
-        }
-
-        if (SqlUtil.isNoNull(field)) {
-          sb.append(" NOT NULL");
-        }
-        sb.append(",");
-      }
 
-      for (Field field : foreignArray) {
+      String pColumn = SqlUtil.getPrimaryName(clazz);
-        Foreign foreign = field.getAnnotation(Foreign.class);
+      if (!TextUtils.isEmpty(pColumn)) {
-        sb.append("FOREIGN KEY (")
+        //删除所有主键为null的数据
-            .append(field.getName())
+        String nullSql =
-            .append(") REFERENCES ")
+            "DELETE FROM " + tableName + " WHERE " + pColumn + " = '' OR " + pColumn + " IS NULL";
-            .append(CommonUtil.getClassName(foreign.table()))
+        ALog.d(TAG, nullSql);
-            .append("(")
+        db.execSQL(nullSql);
-            .append(foreign.column())
+
-            .append("),");
+        //删除所有主键重复的数据
+        String repeatSql = "DELETE FROM "
+            + tableName
+            + " WHERE "
+            + pColumn
+            + " in (SELECT "
+            + pColumn
+            + " FROM "
+            + tableName
+            + " GROUP BY " + pColumn + " having  count(" + pColumn + ") > 1)";
+
+        ALog.d(TAG, repeatSql);
+        db.execSQL(repeatSql);
       }
 
-      String str = sb.toString();
+      //备份数据
-      str = str.substring(0, str.length() - 1) + ");";
+      List<DbEntity> list =
-      print(CREATE_TABLE, str);
+          DelegateManager.getInstance().getDelegate(DelegateFind.class).findAllData(db, clazz);
-      db.execSQL(str);
-    }
-    close(db);
-  }
-
-  /**
-   * 创建分词表
-   */
-  private static void createFTSTable(SQLiteDatabase db) {
-    String tableName = "ariaFts";
-    String sql = "CREATE VIRTUAL TABLE " + tableName + " USING fts4(tokenize= porter)";
-    if (!tableExists(db, tableName)) {
-      db.execSQL(sql);
-    }
-  }
 
-  /**
+      //修改表名为中介表名
-   * 打印数据库日志
+      String alertSql = "ALTER TABLE " + tableName + " RENAME TO " + tableName + "_temp";
-   *
+      db.execSQL(alertSql);
-   * @param type {@link DbUtil}
-   */
-  static void print(int type, String sql) {
-    if (true) {
-      return;
-    }
-    String str = "";
-    switch (type) {
-      case CREATE_TABLE:
-        str = "创建表 >>>> ";
-        break;
-      case TABLE_EXISTS:
-        str = "表是否存在 >>>> ";
-        break;
-      case INSERT_DATA:
-        str = "插入数据 >>>> ";
-        break;
-      case MODIFY_DATA:
-        str = "修改数据 >>>> ";
-        break;
-      case FIND_DATA:
-        str = "查询一行数据 >>>> ";
-        break;
-      case FIND_ALL_DATA:
-        str = "遍历整个数据库 >>>> ";
-        break;
-    }
-    ALog.v(TAG, str + sql);
-  }
 
-  /**
+      //创建一个原本的表
-   * 根据数据游标创建一个具体的对象
+      mDelegate.createTable(db, clazz);
-   */
+      //插入数据
-  private static synchronized <T extends DbEntity> List<T> newInstanceEntity(SQLiteDatabase db,
+      if (list != null && list.size() > 0) {
-      Class<T> clazz, Cursor cursor) {
+        DelegateUpdate update = DelegateManager.getInstance().getDelegate(DelegateUpdate.class);
-    List<Field> fields = CommonUtil.getAllFields(clazz);
+        try {
-    List<T> entitys = new ArrayList<>();
+          for (DbEntity entity : list) {
-    if (fields != null && fields.size() > 0) {
+            update.insertData(db, entity);
-      try {
-        while (cursor.moveToNext()) {
-          T entity = clazz.newInstance();
-          for (Field field : fields) {
-            field.setAccessible(true);
-            if (SqlUtil.ignoreField(field)) {
-              continue;
-            }
-            Class<?> type = field.getType();
-            int column = cursor.getColumnIndex(field.getName());
-            if (column == -1) continue;
-            if (type == String.class) {
-              field.set(entity, URLDecoder.decode(cursor.getString(column)));
-            } else if (type == int.class || type == Integer.class) {
-              field.setInt(entity, cursor.getInt(column));
-            } else if (type == float.class || type == Float.class) {
-              field.setFloat(entity, cursor.getFloat(column));
-            } else if (type == double.class || type == Double.class) {
-              field.setDouble(entity, cursor.getDouble(column));
-            } else if (type == long.class || type == Long.class) {
-              field.setLong(entity, cursor.getLong(column));
-            } else if (type == boolean.class || type == Boolean.class) {
-              field.setBoolean(entity, !cursor.getString(column).equalsIgnoreCase("false"));
-            } else if (type == java.util.Date.class || type == java.sql.Date.class) {
-              field.set(entity, new Date(cursor.getString(column)));
-            } else if (type == byte[].class) {
-              field.set(entity, cursor.getBlob(column));
-            } else if (type == Map.class) {
-              field.set(entity, SqlUtil.str2Map(cursor.getString(column)));
-            } else if (type == List.class) {
-              String value = cursor.getString(column);
-              if (SqlUtil.isOneToMany(field)) {
-                //主键字段
-                String primaryKey = SqlUtil.getPrimaryName(clazz);
-                if (TextUtils.isEmpty(primaryKey)) {
-                  throw new IllegalArgumentException("List中的元素对象必须需要@Primary注解的字段");
-                }
-                //list字段保存的数据
-                int kc = cursor.getColumnIndex(primaryKey);
-                String primaryData = cursor.getString(kc);
-                if (TextUtils.isEmpty(primaryData)) continue;
-                List<T> list = findForeignData(db, primaryData, value);
-                if (list == null) continue;
-                field.set(entity, findForeignData(db, primaryData, value));
-              } else {
-                field.set(entity, SqlUtil.str2List(value, field));
-              }
-            } else if (SqlUtil.isOneToOne(field)) {
-              String primaryKey = SqlUtil.getPrimaryName(clazz);
-              if (TextUtils.isEmpty(primaryKey)) {
-                throw new IllegalArgumentException("@OneToOne的注解对象必须需要@Primary注解的字段");
-              }
-              int kc = cursor.getColumnIndex(primaryKey);
-              String params = cursor.getString(column);
-              String primaryData = cursor.getString(kc);
-              if (TextUtils.isEmpty(primaryData) || primaryData.equalsIgnoreCase("null")) continue;
-              List<T> list = findForeignData(db, primaryData, params);
-              if (list != null && list.size() > 0) {
-                field.set(entity, list.get(0));
-              }
-            }
           }
-          entity.rowID = cursor.getInt(cursor.getColumnIndex("rowid"));
+        } catch (Exception e) {
-          mDataCache.put(getCacheKey(entity), entity);
+          ALog.e(TAG, CommonUtil.getPrintException(e));
-          entitys.add(entity);
         }
-        closeCursor(cursor);
-      } catch (InstantiationException e) {
-        e.printStackTrace();
-      } catch (IllegalAccessException e) {
-        e.printStackTrace();
-      }
-    }
-    return entitys;
-  }
-
-  /**
-   * 查找一对多、一对一的关联数据
-   *
-   * @param primary 当前表的主键
-   * @param childParams 当前表关联数据的类名 $$ 主键名
-   */
-  private static <T extends DbEntity> List<T> findForeignData(SQLiteDatabase db, String primary,
-      String childParams) {
-    String[] params = childParams.split("\\$\\$");
-    return findData(db, params[0], params[1] + "=?", primary);
-  }
-
-  private static void closeCursor(Cursor cursor) {
-    if (cursor != null && !cursor.isClosed()) {
-      try {
-        cursor.close();
-      } catch (android.database.SQLException e) {
-        e.printStackTrace();
       }
-    }
-  }
 
-  private static void close(SQLiteDatabase db) {
+      //删除中介表
-    //if (db != null && db.isOpen()) db.close();
+      mDelegate.dropTable(db, tableName + "_temp");
-  }
 
-  private static SQLiteDatabase checkDb(SQLiteDatabase db) {
+      mDelegate.close(db);
-    if (db == null || !db.isOpen()) {
-      db = INSTANCE.getWritableDatabase();
     }
-    return db;
   }
 }

Aria/src/main/java/com/arialyy/aria/orm/SqlUtil.java

@@ -16,6 +16,14 @@
 package com.arialyy.aria.orm;
 
 import android.text.TextUtils;
+import com.arialyy.aria.orm.annotation.Default;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Ignore;
+import com.arialyy.aria.orm.annotation.Many;
+import com.arialyy.aria.orm.annotation.NoNull;
+import com.arialyy.aria.orm.annotation.One;
+import com.arialyy.aria.orm.annotation.Primary;
+import com.arialyy.aria.orm.annotation.Wrapper;
 import com.arialyy.aria.util.CommonUtil;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
@@ -32,31 +40,41 @@ import java.util.Set;
 final class SqlUtil {
 
   /**
-   * 获取一对一参数
+   * 获取主键字段名
    */
-  static String getOneToOneParams(Field field) {
+  static String getPrimaryName(Class clazz) {
-    OneToOne oneToOne = field.getAnnotation(OneToOne.class);
+    List<Field> fields = CommonUtil.getAllFields(clazz);
-    if (oneToOne == null) {
+    String column;
-      throw new IllegalArgumentException("@OneToOne注解的对象必须要有@Primary注解的字段");
+    if (fields != null && !fields.isEmpty()) {
+
+      for (Field field : fields) {
+        field.setAccessible(true);
+        if (isPrimary(field)) {
+          column = field.getName();
+          return column;
+        }
+      }
     }
-    return oneToOne.table().getName() + "$$" + oneToOne.key();
+    return null;
   }
 
   /**
-   * 获取List一对多参数
+   * 获取类中所有不被忽略的字段
-   *
-   * @param field list反射字段
    */
-  static String getOneToManyElementParams(Field field) {
+  static List<Field> getAllNotIgnoreField(Class clazz) {
-    OneToMany oneToMany = field.getAnnotation(OneToMany.class);
+    List<Field> fields = CommonUtil.getAllFields(clazz);
-    if (oneToMany == null) {
+    List<Field> temp = new ArrayList<>();
-      throw new IllegalArgumentException("一对多元素必须被@OneToMany注解");
+    if (fields != null && fields.size() > 0) {
+      for (Field f : fields) {
+        f.setAccessible(true);
+        if (!isIgnore(f)) {
+          temp.add(f);
+        }
+      }
+      return temp;
+    } else {
+      return null;
     }
-    //关联的表名
-    String tableName = oneToMany.table().getName();
-    //关联的字段
-    String key = oneToMany.key();
-    return tableName + "$$" + key;
   }
 
   /**
@@ -65,10 +83,6 @@ final class SqlUtil {
    * @param field list反射字段
    */
   static String list2Str(DbEntity dbEntity, Field field) throws IllegalAccessException {
-    NormalList normalList = field.getAnnotation(NormalList.class);
-    if (normalList == null) {
-      throw new IllegalArgumentException("List中元素必须被@NormalList注解");
-    }
     List list = (List) field.get(dbEntity);
     if (list == null || list.isEmpty()) return "";
     StringBuilder sb = new StringBuilder();
@@ -85,17 +99,17 @@ final class SqlUtil {
    * @return 如果str为null，则返回null
    */
   static List str2List(String str, Field field) {
-    NormalList normalList = field.getAnnotation(NormalList.class);
-    if (normalList == null) {
-      throw new IllegalArgumentException("List中元素必须被@NormalList注解");
-    }
     if (TextUtils.isEmpty(str)) return null;
     String[] datas = str.split("\\$\\$");
     List list = new ArrayList();
-    String type = normalList.clazz().getName();
+    Class clazz = CommonUtil.getListParamType(field);
-    for (String data : datas) {
+    if (clazz != null) {
-      list.add(checkData(type, data));
+      String type = clazz.getName();
+      for (String data : datas) {
+        list.add(checkData(type, data));
+      }
     }
+
     return list;
   }
 
@@ -152,9 +166,12 @@ final class SqlUtil {
   }
 
   /**
+   * shadow$_klass_、shadow$_monitor_、{@link Ignore}、rowID、{@link Field#isSynthetic()}、{@link
+   * Modifier#isFinal(int)}、{@link Modifier#isStatic(int)}将被忽略
+   *
    * @return true 忽略该字段
    */
-  static boolean ignoreField(Field field) {
+  static boolean isIgnore(Field field) {
     // field.isSynthetic(), 使用as热启动App时，AS会自动给你的class添加change字段
     Ignore ignore = field.getAnnotation(Ignore.class);
     int modifiers = field.getModifiers();
@@ -164,19 +181,29 @@ final class SqlUtil {
         .isStatic(modifiers) || Modifier.isFinal(modifiers);
   }
 
+  /**
+   * 判断是否是Wrapper注解
+   *
+   * @return {@code true} 是
+   */
+  static boolean isWrapper(Class clazz) {
+    Wrapper w = (Wrapper) clazz.getAnnotation(Wrapper.class);
+    return w != null;
+  }
+
   /**
    * 判断是否一对多注解
    */
-  static boolean isOneToMany(Field field) {
+  static boolean isMany(Field field) {
-    OneToMany oneToMany = field.getAnnotation(OneToMany.class);
+    Many oneToMany = field.getAnnotation(Many.class);
     return oneToMany != null;
   }
 
   /**
    * 判断是否是一对一注解
    */
-  static boolean isOneToOne(Field field) {
+  static boolean isOne(Field field) {
-    OneToOne oneToOne = field.getAnnotation(OneToOne.class);
+    One oneToOne = field.getAnnotation(One.class);
     return oneToOne != null;
   }
 
@@ -210,6 +237,16 @@ final class SqlUtil {
     return nn != null;
   }
 
+  /**
+   * 判断是否是default
+   *
+   * @return {@code true}为default
+   */
+  static boolean isDefault(Field field) {
+    Default nn = field.getAnnotation(Default.class);
+    return nn != null;
+  }
+
   private static Object checkData(String type, String data) {
     if (type.equalsIgnoreCase("java.lang.String")) {
       return data;
@@ -222,17 +259,4 @@ final class SqlUtil {
     }
     return null;
   }
-
-  /**
-   * 查找class的主键字段
-   *
-   * @return 返回主键字段名
-   */
-  static String getPrimaryName(Class<? extends DbEntity> clazz) {
-    List<Field> fields = CommonUtil.getAllFields(clazz);
-    for (Field field : fields) {
-      if (isPrimary(field)) return field.getName();
-    }
-    return null;
-  }
 }

Aria/src/main/java/com/arialyy/aria/orm/annotation/Default.java

@@ -13,7 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.orm;
+
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -21,16 +22,9 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * Created by AriaL on 2017/7/4.
+ * Created by lyy on 2015/11/2.
- * 外键约束
+ * 默认数据
  */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Foreign {
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Default {
-  /**
+  String value() default "";
-   * 关联的表
-   */
-  Class<? extends DbEntity> table();
-  /**
-   * 关联的列
-   */
-  String column();
 }

Aria/src/main/java/com/arialyy/aria/orm/annotation/Foreign.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.arialyy.aria.orm.annotation;
+
+import com.arialyy.aria.orm.ActionPolicy;
+import com.arialyy.aria.orm.DbEntity;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by AriaL on 2017/7/4.
+ * 外键约束
+ */
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Foreign {
+
+  /**
+   * 关联的表
+   */
+  Class<? extends DbEntity> parent();
+
+  /**
+   * 父表对应的列名
+   */
+  String column();
+
+  /**
+   * ON UPDATE 约束
+   */
+  ActionPolicy onUpdate() default ActionPolicy.NO_ACTION;
+
+  /**
+   * ON DELETE 约束
+   */
+  ActionPolicy onDelete() default ActionPolicy.NO_ACTION;
+}

Aria/src/main/java/com/arialyy/aria/orm/annotation/Ignore.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;

Aria/src/main/java/com/arialyy/aria/orm/annotation/Many.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -24,13 +24,14 @@ import java.lang.annotation.Target;
  * Created by AriaL on 2017/7/4.
  * 一对多
  */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface OneToMany {
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Many {
   /**
-   * 关联的表
+   * 父表对应的字段名
    */
-  Class<? extends DbEntity> table();
+  String parentColumn();
+
   /**
-   * 关联的主键
+   * 父表在子表对应的字段
    */
-  String key();
+  String entityColumn();
 }

Aria/src/main/java/com/arialyy/aria/orm/annotation/NoNull.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;

Aria/src/main/java/com/arialyy/aria/orm/annotation/One.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -22,17 +22,8 @@ import java.lang.annotation.Target;
 
 /**
  * Created by AriaL on 2017/7/4.
- * 一对一
+ * 一
  */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface OneToOne {
+@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface One {
 
-  /**
-   * 关联的表
-   */
-  Class<? extends DbEntity> table();
-
-  /**
-   * 关联的主键
-   */
-  String key();
 }

Aria/src/main/java/com/arialyy/aria/orm/annotation/Primary.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -27,4 +27,9 @@ import java.lang.annotation.Target;
  */
 @Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface Primary {
   int value() default -1;
+
+  /**
+   * 字段需要int类型才可以自增
+   */
+  boolean autoincrement() default false;
 }

Aria/src/main/java/com/arialyy/aria/orm/annotation/Table.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 AriaLyy(https://github.com/AriaLyy/Aria)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.arialyy.aria.orm.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Created by lyy on 2015/11/2.
+ * 设置表名，如果不是使用该注解，默认为类名
+ */
+@Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) public @interface Table {
+  String tableName();
+}

Aria/src/main/java/com/arialyy/aria/orm/annotation/Wrapper.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.arialyy.aria.orm;
+package com.arialyy.aria.orm.annotation;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -21,16 +21,9 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * Created by AriaL on 2017/7/4.
+ * Created by laoyuyu on 2018/3/21.
- * 主键和外键约束
+ * 关系包裹
  */
-@Target(ElementType.FIELD) @Retention(RetentionPolicy.RUNTIME) public @interface PrimaryAndForeign {
+@Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME)
-  /**
+public @interface Wrapper {
-   * 关联的表
-   */
-  Class<? extends DbEntity> table();
-  /**
-   * 关联的列
-   */
-  String column();
 }

Aria/src/main/java/com/arialyy/aria/util/ALog.java

@@ -25,7 +25,7 @@ import android.util.Log;
  * Aria日志工具
  */
 public class ALog {
-
+  public static final boolean DEBUG = true;
   public static final int LOG_LEVEL_VERBOSE = 2;
   public static final int LOG_LEVEL_DEBUG = 3;
   public static final int LOG_LEVEL_INFO = 4;

Aria/src/main/java/com/arialyy/aria/util/CheckUtil.java

@@ -74,7 +74,8 @@ public class CheckUtil {
    * 检查下载实体
    */
   public static void checkDownloadEntity(DownloadEntity entity) {
-    entity.setUrl(checkUrl(entity.getUrl()));
+    checkUrlInvalidThrow(entity.getUrl());
+    entity.setUrl(entity.getUrl());
     checkPath(entity.getDownloadPath());
   }
 
@@ -88,9 +89,9 @@ public class CheckUtil {
   }
 
   /**
-   * 检测下载链接是否合法，如果地址中path是"//"而不是"/"将会改为"/"；
+   * 检测url是否合法，如果url不合法，将抛异常
    */
-  public static String checkUrl(String url) {
+  public static void checkUrlInvalidThrow(String url) {
     if (TextUtils.isEmpty(url)) {
       throw new IllegalArgumentException("url不能为null");
     } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
@@ -100,7 +101,26 @@ public class CheckUtil {
     if (index == -1) {
       throw new IllegalArgumentException("url不合法");
     }
-    return url;
+  }
+
+  /**
+   * 检测url是否合法
+   *
+   * @return {@code true} 合法，{@code false} 非法
+   */
+  public static boolean checkUrl(String url) {
+    if (TextUtils.isEmpty(url)) {
+      ALog.e(TAG, "url不能为null");
+      return false;
+    } else if (!url.startsWith("http") && !url.startsWith("ftp")) {
+      ALog.e(TAG, "url【" + url + "】错误");
+      return false;
+    }
+    int index = url.indexOf("://");
+    if (index == -1) {
+      ALog.e(TAG, "url【" + url + "】不合法");
+    }
+    return true;
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/util/CommonUtil.java

@@ -30,13 +30,10 @@ import com.arialyy.aria.core.command.group.GroupCmdFactory;
 import com.arialyy.aria.core.command.normal.AbsNormalCmd;
 import com.arialyy.aria.core.command.normal.NormalCmdFactory;
 import com.arialyy.aria.core.download.DownloadEntity;
-import com.arialyy.aria.core.download.DownloadGroupTaskEntity;
+import com.arialyy.aria.core.download.DownloadGroupEntity;
-import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.inf.AbsGroupTaskEntity;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.upload.UploadEntity;
-import com.arialyy.aria.core.upload.UploadTaskEntity;
-import com.arialyy.aria.orm.DbEntity;
 import java.io.File;
 import java.io.FileFilter;
 import java.io.FileInputStream;
@@ -46,11 +43,8 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 import java.lang.reflect.Field;
-import java.lang.reflect.GenericArrayType;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
-import java.lang.reflect.TypeVariable;
-import java.lang.reflect.WildcardType;
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.net.URLEncoder;
@@ -62,6 +56,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
 import java.util.regex.Matcher;
@@ -73,6 +68,64 @@ import java.util.regex.Pattern;
 public class CommonUtil {
   private static final String TAG = "CommonUtil";
 
+  /**
+   * 获取map泛型类型
+   *
+   * @param map list类型字段
+   * @return 泛型类型
+   */
+  public static Class[] getMapParamType(Field map) {
+    Class type = map.getType();
+    if (!type.isAssignableFrom(Map.class)) {
+      ALog.d(TAG, "字段类型不是Map");
+      return null;
+    }
+
+    Type fc = map.getGenericType();
+
+    if (fc == null) {
+      ALog.d(TAG, "该字段没有泛型参数");
+      return null;
+    }
+
+    if (fc instanceof ParameterizedType) {
+      ParameterizedType pt = (ParameterizedType) fc;
+      Type[] types = pt.getActualTypeArguments();
+      Class[] clazz = new Class[2];
+      clazz[0] = (Class) types[0];
+      clazz[1] = (Class) types[1];
+      return clazz;
+    }
+    return null;
+  }
+
+  /**
+   * 获取list泛型类型
+   *
+   * @param list list类型字段
+   * @return 泛型类型
+   */
+  public static Class getListParamType(Field list) {
+    Class type = list.getType();
+    if (!type.isAssignableFrom(List.class)) {
+      ALog.d(TAG, "字段类型不是List");
+      return null;
+    }
+
+    Type fc = list.getGenericType(); // 关键的地方，如果是List类型，得到其Generic的类型
+
+    if (fc == null) {
+      ALog.d(TAG, "该字段没有泛型参数");
+      return null;
+    }
+
+    if (fc instanceof ParameterizedType) { //如果是泛型参数的类型
+      ParameterizedType pt = (ParameterizedType) fc;
+      return (Class) pt.getActualTypeArguments()[0]; //得到泛型里的class类型对象。
+    }
+    return null;
+  }
+
   /**
    * 创建文件名，如果url链接有后缀名，则使用url中的后缀名
    *
@@ -230,55 +283,6 @@ public class CommonUtil {
     return null;
   }
 
-  /**
-   * 实例化泛型的实际类型参数
-   *
-   * @throws Exception
-   */
-  public static void typeCheck(Type type) throws Exception {
-    System.out.println("该类型是" + type);
-    // 参数化类型
-    if (type instanceof ParameterizedType) {
-      Type[] typeArguments = ((ParameterizedType) type).getActualTypeArguments();
-      for (int i = 0; i < typeArguments.length; i++) {
-        // 类型变量
-        if (typeArguments[i] instanceof TypeVariable) {
-          System.out.println("第" + (i + 1) + "个泛型参数类型是类型变量" + typeArguments[i] + "，无法实例化。");
-        }
-        // 通配符表达式
-        else if (typeArguments[i] instanceof WildcardType) {
-          System.out.println("第" + (i + 1) + "个泛型参数类型是通配符表达式" + typeArguments[i] + "，无法实例化。");
-        }
-        // 泛型的实际类型，即实际存在的类型
-        else if (typeArguments[i] instanceof Class) {
-          System.out.println("第" + (i + 1) + "个泛型参数类型是:" + typeArguments[i] + "，可以直接实例化对象");
-        }
-      }
-      // 参数化类型数组或类型变量数组
-    } else if (type instanceof GenericArrayType) {
-      System.out.println("该泛型类型是参数化类型数组或类型变量数组，可以获取其原始类型。");
-      Type componentType = ((GenericArrayType) type).getGenericComponentType();
-      // 类型变量
-      if (componentType instanceof TypeVariable) {
-        System.out.println("该类型变量数组的原始类型是类型变量" + componentType + "，无法实例化。");
-      }
-      // 参数化类型，参数化类型数组或类型变量数组
-      // 参数化类型数组或类型变量数组也可以是多维的数组，getGenericComponentType()方法仅仅是去掉最右边的[]
-      else {
-        // 递归调用方法自身
-        typeCheck(componentType);
-      }
-    } else if (type instanceof TypeVariable) {
-      System.out.println("该类型是类型变量");
-    } else if (type instanceof WildcardType) {
-      System.out.println("该类型是通配符表达式");
-    } else if (type instanceof Class) {
-      System.out.println("该类型不是泛型类型");
-    } else {
-      throw new Exception();
-    }
-  }
-
   /**
    * 根据下载任务组的url创建key
    *
@@ -308,28 +312,27 @@ public class CommonUtil {
    * {@code false}如果任务已经完成，只删除任务数据库记录
    */
   public static void delDownloadGroupTaskConfig(boolean removeFile,
-      DownloadGroupTaskEntity tEntity) {
+      DownloadGroupEntity groupEntity) {
-    List<DownloadTaskEntity> tasks =
+    if (groupEntity == null) {
-        DbEntity.findDatas(DownloadTaskEntity.class, "groupName=?", tEntity.key);
+      ALog.e(TAG, "删除下载任务组记录失败，任务组实体为null");
-    if (tasks != null && !tasks.isEmpty()) {
+      return;
-      for (DownloadTaskEntity taskEntity : tasks) {
-        delDownloadTaskConfig(removeFile, taskEntity);
-      }
     }
 
-    if (tEntity.getEntity() != null) {
+    for (DownloadEntity taskEntity : groupEntity.getSubTask()) {
-      File dir = new File(tEntity.getEntity().getDirPath());
+      delDownloadTaskConfig(removeFile, taskEntity);
-      if (removeFile) {
+    }
-        if (dir.exists()) {
+
-          dir.delete();
+    File dir = new File(groupEntity.getDirPath());
-        }
+    if (removeFile) {
-      } else {
+      if (dir.exists()) {
-        if (!tEntity.getEntity().isComplete()) {
+        dir.delete();
-          dir.delete();
+      }
-        }
+    } else {
+      if (!groupEntity.isComplete()) {
+        dir.delete();
       }
-      tEntity.deleteData();
     }
+    groupEntity.deleteData();
   }
 
   /**
@@ -338,8 +341,7 @@ public class CommonUtil {
    * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经删除完成的文件
    * {@code false}如果任务已经完成，只删除任务数据库记录
    */
-  public static void delUploadTaskConfig(boolean removeFile, UploadTaskEntity tEntity) {
+  public static void delUploadTaskConfig(boolean removeFile, UploadEntity uEntity) {
-    UploadEntity uEntity = tEntity.getEntity();
     if (uEntity == null) {
       return;
     }
@@ -353,8 +355,8 @@ public class CommonUtil {
     if (config.exists()) {
       config.delete();
     }
-    //uEntity.deleteData();
+    //下载任务实体和下载实体为一对一关系，下载实体删除，任务实体自动删除
-    tEntity.deleteData();
+    uEntity.deleteData();
   }
 
   /**
@@ -363,8 +365,7 @@ public class CommonUtil {
    * @param removeFile {@code true} 不仅删除任务数据库记录，还会删除已经下载完成的文件
    * {@code false}如果任务已经完成，只删除任务数据库记录
    */
-  public static void delDownloadTaskConfig(boolean removeFile, DownloadTaskEntity tEntity) {
+  public static void delDownloadTaskConfig(boolean removeFile, DownloadEntity dEntity) {
-    DownloadEntity dEntity = tEntity.getEntity();
     if (dEntity == null) return;
     File file = new File(dEntity.getDownloadPath());
     if (removeFile) {
@@ -383,9 +384,8 @@ public class CommonUtil {
     if (config.exists()) {
       config.delete();
     }
-    //dEntity.deleteData();
+    //下载任务实体和下载实体为一对一关系，下载实体删除，任务实体自动删除
-    //tEntity.deleteData();
+    dEntity.deleteData();
-    tEntity.deleteData();
   }
 
   /**

Aria/src/main/java/com/arialyy/aria/util/ErrorHelp.java

@@ -35,6 +35,8 @@ public class ErrorHelp {
    * @param msg 错误提示
    * @param ex 异常
    */
+  // TODO: 2018/4/4 错误应该写在文件中
+  @Deprecated
   public static void saveError(String taskType, AbsEntity entity, String msg, String ex) {
     ErrorEntity errorEntity = new ErrorEntity();
     errorEntity.insertTime = System.currentTimeMillis();

app/src/main/java/com/arialyy/simple/download/group/DownloadGroupActivity.java

@@ -45,7 +45,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
     Aria.download(this).register();
     setTitle("任务组");
     mUrls = getModule(GroupModule.class).getUrls();
-    DownloadGroupTaskEntity entity = Aria.download(this).getDownloadGroupTask(mUrls);
+    DownloadGroupTaskEntity entity = Aria.download(this).getGroupTask(mUrls);
     if (entity != null && entity.getEntity() != null) {
       DownloadGroupEntity groupEntity = entity.getEntity();
       mChildList.addData(groupEntity.getSubTask());
@@ -84,7 +84,7 @@ public class DownloadGroupActivity extends BaseActivity<ActivityDownloadGroupBin
                 Environment.getExternalStorageDirectory().getPath() + "/Download/group_test_3")
             .setGroupAlias("任务组测试")
             .setSubFileName(getModule(GroupModule.class).getSubName())
-            //.setFileSize(32895492)
+            .setFileSize(32895492)
             .start();
         break;
       case R.id.stop:

app/src/main/java/com/arialyy/simple/download/group/FTPDirDownloadActivity.java

@@ -43,7 +43,7 @@ public class FTPDirDownloadActivity extends BaseActivity<ActivityDownloadGroupBi
     super.init(savedInstanceState);
     Aria.download(this).register();
     setTitle("FTP文件夹下载");
-    DownloadGroupTaskEntity entity = Aria.download(this).getDownloadGroupTask(dir);
+    DownloadGroupTaskEntity entity = Aria.download(this).getFtpDirTask(dir);
     if (entity != null && entity.getEntity() != null) {
       DownloadGroupEntity groupEntity = entity.getEntity();
       mChildList.addData(groupEntity.getSubTask());

app/src/main/java/com/arialyy/simple/download/multi_download/MultiDownloadActivity.java

@@ -26,16 +26,12 @@ import butterknife.Bind;
 import com.arialyy.annotations.Download;
 import com.arialyy.annotations.DownloadGroup;
 import com.arialyy.aria.core.Aria;
-import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadGroupTask;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
-import com.arialyy.frame.util.FileUtil;
-import com.arialyy.frame.util.show.L;
 import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivityMultiDownloadBinding;
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -55,7 +51,7 @@ public class MultiDownloadActivity extends BaseActivity<ActivityMultiDownloadBin
     super.init(savedInstanceState);
     Aria.download(this).register();
     setTitle("下载列表");
-    List<AbsEntity> temps = Aria.download(this).getTotleTaskList();
+    List<AbsEntity> temps = Aria.download(this).getTotalTaskList();
     if (temps != null && !temps.isEmpty()) {
       mData.addAll(temps);
     }

aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskEntity.java

@@ -16,7 +16,9 @@
 package com.arialyy.aria.core.upload;
 
 import com.arialyy.aria.core.inf.AbsNormalTaskEntity;
-import com.arialyy.aria.orm.OneToOne;
+import com.arialyy.aria.orm.annotation.Foreign;
+import com.arialyy.aria.orm.annotation.Ignore;
+import com.arialyy.aria.orm.annotation.Primary;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -28,9 +30,16 @@ public class UploadTaskEntity extends AbsNormalTaskEntity<UploadEntity> {
   public String attachment;  //文件上传需要的key
   public String contentType = "multipart/form-data"; //上传的文件类型
   public String userAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)";
-  @OneToOne(table = UploadEntity.class, key = "filePath") public UploadEntity entity;
+
+  //@OneToOne(table = UploadEntity.class, key = "filePath") public UploadEntity entity;
+
+  @Ignore public UploadEntity entity;
+
   public String filePath = "";
 
+  @Primary @Foreign(parent = UploadEntity.class, column = "filePath")
+  public String key;
+
   /**
    * 文件上传表单
    */
@@ -43,11 +52,17 @@ public class UploadTaskEntity extends AbsNormalTaskEntity<UploadEntity> {
     return entity;
   }
 
+  @Override public String getKey() {
+    return key;
+  }
+
   public void save(UploadEntity entity) {
-    filePath = entity.getFilePath();
+    if (entity != null) {
-    key = entity.getKey();
+      filePath = entity.getFilePath();
-    this.entity = entity;
+      key = entity.getKey();
-    entity.save();
+      this.entity = entity;
+      entity.save();
+    }
     save();
   }
 }