https://github.com/AriaLyy/Aria/issues/60

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

@@ -6,8 +6,10 @@ package com.arialyy.aria.core;
  */
 public enum QueueMod {
   /**
-   * 等待模式，如果执行队列已经满了，再次使用start命令执行任务时，该任务会被添加到缓存队列中
+   * 等待模式，
-   * 当执行队列的任务完成时，将自动执行缓存队列中的任务
+   * 如果执行队列已经满了，再对其它任务（TASK_A）使用start命令执行任务时
+   * 1、TASK_A添加到缓存队列中，当执行队列中的任务完成时，系统会将自动执行缓存队列中的TASK_A
+   * 2、如果再次对TASK_A使用start命令，TASK_A将会立刻执行
    */
   WAIT("wait"),
 

Aria/src/main/java/com/arialyy/aria/core/command/AddCmd.java

@@ -17,6 +17,7 @@
 package com.arialyy.aria.core.command;
 
 import android.util.Log;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -33,7 +34,7 @@ class AddCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mTaskEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
       mTaskEntity.getEntity().setState(IEntity.STATE_WAIT);
       mQueue.createTask(mTargetName, mTaskEntity);

Aria/src/main/java/com/arialyy/aria/core/command/CancelCmd.java

@@ -17,6 +17,7 @@
 package com.arialyy.aria.core.command;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
@@ -31,7 +32,7 @@ class CancelCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mTaskEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
       task = mQueue.createTask(mTargetName, mTaskEntity);
     }

Aria/src/main/java/com/arialyy/aria/core/command/HighestPriorityCmd.java

@@ -16,6 +16,7 @@
 package com.arialyy.aria.core.command;
 
 import android.text.TextUtils;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
@@ -39,7 +40,7 @@ final class HighestPriorityCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mTaskEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
       task = mQueue.createTask(mTargetName, mTaskEntity);
     }

Aria/src/main/java/com/arialyy/aria/core/command/ResumeAllCmd.java

@@ -3,6 +3,7 @@ package com.arialyy.aria.core.command;
 import android.util.Log;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
@@ -29,7 +30,7 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
     for (DownloadEntity entity : allEntity) {
       int exeNum = mQueue.getExePoolSize();
       if (exeNum == 0 || exeNum < mQueue.getMaxTaskNum()) {
-        ITask task = createTask(entity);
+        AbsTask task = createTask(entity);
         mQueue.startTask(task);
       } else {
         entity.setState(IEntity.STATE_WAIT);
@@ -38,8 +39,8 @@ final class ResumeAllCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
     }
   }
 
-  private ITask createTask(DownloadEntity entity) {
+  private AbsTask createTask(DownloadEntity entity) {
-    ITask task = mQueue.getTask(entity);
+    AbsTask task = mQueue.getTask(entity);
     if (task == null) {
       DownloadTaskEntity taskEntity = new DownloadTaskEntity(entity);
       task = mQueue.createTask(mTargetName, taskEntity);

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

@@ -19,12 +19,15 @@ package com.arialyy.aria.core.command;
 import android.text.TextUtils;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.QueueMod;
+import com.arialyy.aria.core.inf.AbsTask;
+import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 
 /**
  * Created by lyy on 2016/8/22.
  * 开始命令
+ * 队列模型{@link QueueMod#NOW}、{@link QueueMod#WAIT}
  */
 class StartCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
@@ -34,14 +37,6 @@ class StartCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mTaskEntity.getEntity());
-    if (task == null) {
-      task = mQueue.createTask(mTargetName, mTaskEntity);
-    }
-    if (task != null) {
-      if (!TextUtils.isEmpty(mTargetName)) {
-        task.setTargetName(mTargetName);
-      }
     String mod;
     int maxTaskNum;
     AriaManager manager = AriaManager.getInstance(AriaManager.APP);
@@ -52,13 +47,28 @@ class StartCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
       mod = manager.getUploadConfig().getQueueMod();
       maxTaskNum = manager.getUploadConfig().getMaxTaskNum();
     }
+
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
+    if (task == null) {
+      task = mQueue.createTask(mTargetName, mTaskEntity);
+      if (!TextUtils.isEmpty(mTargetName)) {
+        task.setTargetName(mTargetName);
+      }
+      // 任务不存在时，根据配置不同，对任务执行操作
       if (mod.equals(QueueMod.NOW.getTag())) {
         mQueue.startTask(task);
-      }else if (mod.equals(QueueMod.WAIT.getTag())){
+      } else if (mod.equals(QueueMod.WAIT.getTag())) {
-        if (mQueue.getExePoolSize() < maxTaskNum){
+        if (mQueue.getExePoolSize() < maxTaskNum) {
           mQueue.startTask(task);
         }
       }
+    } else {
+      // 任务不存在时，根据配置不同，对任务执行操作
+      if (!task.isRunning()
+          && mod.equals(QueueMod.WAIT.getTag())
+          && task.getState() == IEntity.STATE_WAIT) {
+        mQueue.startTask(task);
+      }
     }
   }
 }

Aria/src/main/java/com/arialyy/aria/core/command/StopCmd.java

@@ -18,6 +18,7 @@ package com.arialyy.aria.core.command;
 
 import android.text.TextUtils;
 import android.util.Log;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -34,7 +35,7 @@ class StopCmd<T extends AbsTaskEntity> extends AbsCmd<T> {
 
   @Override public void executeCmd() {
     if (!canExeCmd) return;
-    ITask task = mQueue.getTask(mTaskEntity.getEntity());
+    AbsTask task = mQueue.getTask(mTaskEntity.getEntity());
     if (task == null) {
       if (mTaskEntity.getEntity().getState() == IEntity.STATE_RUNNING) {
         task = mQueue.createTask(mTargetName, mTaskEntity);

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

@@ -20,6 +20,8 @@ import android.content.Context;
 import android.util.Log;
 import android.util.SparseArray;
 import com.arialyy.aria.core.AriaManager;
+import com.arialyy.aria.orm.DbEntity;
+import com.arialyy.aria.orm.DbUtil;
 import com.arialyy.aria.util.BufferedRandomAccessFile;
 import com.arialyy.aria.util.CommonUtil;
 import java.io.File;
@@ -78,12 +80,28 @@ class DownloadUtil implements IDownloadUtil, Runnable {
         + AriaManager.DOWNLOAD_TEMP_DIR
         + mDownloadFile.getName()
         + ".properties");
+    checkTask();
+  }
+
+  /**
+   * 检查任务是否是新任务，新任务条件：
+   * 1、文件不存在
+   * 2、下载记录文件不存在
+   * 3、下载记录文件缺失或不匹配
+   * 4、数据库记录不存在
+   */
+  private void checkTask() {
     try {
       if (!mConfigFile.exists()) { //记录文件被删除，则重新下载
         isNewTask = true;
         CommonUtil.createFile(mConfigFile.getPath());
+      } else if (!mDownloadFile.exists()) {
+        isNewTask = true;
+      } else if (DbEntity.findData(DownloadEntity.class, "downloadUrl=?",
+          mDownloadEntity.getDownloadUrl()) == null) {
+        isNewTask = true;
       } else {
-        isNewTask = !mDownloadFile.exists();
+        isNewTask = false;
       }
     } catch (Exception e) {
       e.printStackTrace();
@@ -195,9 +213,10 @@ class DownloadUtil implements IDownloadUtil, Runnable {
   }
 
   @Override public void run() {
+    HttpURLConnection conn = null;
     try {
       URL url = new URL(mDownloadEntity.getDownloadUrl());
-      HttpURLConnection conn = ConnectionHelp.handleConnection(url);
+      conn = ConnectionHelp.handleConnection(url);
       conn = ConnectionHelp.setConnectParam(mDownloadTaskEntity, conn);
       conn.setRequestProperty("Range", "bytes=" + 0 + "-");
       conn.setConnectTimeout(mConnectTimeOut);
@@ -210,6 +229,10 @@ class DownloadUtil implements IDownloadUtil, Runnable {
           + mDownloadFile.getPath()
           + "】\n"
           + CommonUtil.getPrintException(e));
+    } finally {
+      if (conn != null) {
+        conn.disconnect();
+      }
     }
   }
 

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

@@ -206,11 +206,13 @@ public abstract class AbsTarget<ENTITY extends AbsEntity, TASK_ENTITY extends Ab
    * 开始下载
    */
   public void start() {
-    List<AbsCmd> cmds = new ArrayList<>();
+    //List<AbsCmd> cmds = new ArrayList<>();
-    cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_CREATE));
+    //cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_CREATE));
-    cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_START));
+    //cmds.add(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_START));
-    AriaManager.getInstance(AriaManager.APP).setCmds(cmds).exe();
+    //cmds.clear();
-    cmds.clear();
+    AriaManager.getInstance(AriaManager.APP)
+        .setCmd(CommonUtil.createCmd(targetName, taskEntity, CmdFactory.TASK_START))
+        .exe();
   }
 
   /**

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

@@ -37,6 +37,15 @@ public abstract class AbsTask<TASK_ENTITY extends AbsTaskEntity, ENTITY extends
 
   }
 
+  /**
+   * 任务当前状态
+   *
+   * @return {@link IEntity}
+   */
+  public int getState() {
+    return mEntity == null ? IEntity.STATE_OTHER : mEntity.getState();
+  }
+
   /**
    * @return 返回原始byte速度，需要你在配置文件中配置
    * <pre>

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

@@ -20,6 +20,7 @@ import android.util.Log;
 import com.arialyy.aria.core.Aria;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.queue.pool.CachePool;
@@ -30,7 +31,7 @@ import java.util.Set;
  * Created by lyy on 2017/2/23.
  * 任务队列
  */
-abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity>
+abstract class AbsTaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity>
     implements ITaskQueue<TASK, TASK_ENTITY, ENTITY> {
   private final String TAG = "AbsTaskQueue";
   CachePool<TASK> mCachePool = new CachePool<>();
@@ -118,7 +119,7 @@ abstract class AbsTaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntit
       task.stop();
     } else {
       task.stop();
-      Log.w(TAG, "停止任务失败，【任务已经停止】");
+      Log.w(TAG, "删除任务失败，【执行队列中没有该任务】");
     }
   }
 

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

@@ -19,6 +19,7 @@ package com.arialyy.aria.core.queue;
 import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.download.DownloadTaskEntity;
 import com.arialyy.aria.core.download.DownloadTask;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
@@ -30,7 +31,7 @@ import com.arialyy.aria.core.upload.UploadTaskEntity;
  * Created by lyy on 2016/8/16.
  * 任务功能接口
  */
-public interface ITaskQueue<TASK extends ITask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends IEntity> {
+public interface ITaskQueue<TASK extends AbsTask, TASK_ENTITY extends AbsTaskEntity, ENTITY extends IEntity> {
 
   /**
    * 通过key判断任务是否正在执行

Aria/src/main/java/com/arialyy/aria/core/scheduler/AbsSchedulers.java

@@ -21,6 +21,7 @@ import android.util.Log;
 import com.arialyy.aria.core.AriaManager;
 import com.arialyy.aria.core.download.DownloadTask;
 import com.arialyy.aria.core.inf.AbsEntity;
+import com.arialyy.aria.core.inf.AbsTask;
 import com.arialyy.aria.core.inf.AbsTaskEntity;
 import com.arialyy.aria.core.inf.IEntity;
 import com.arialyy.aria.core.inf.ITask;
@@ -34,7 +35,7 @@ import java.util.concurrent.ConcurrentHashMap;
 /**
  * Created by lyy on 2017/6/4.
  */
-public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity, TASK extends ITask<ENTITY>, QUEUE extends ITaskQueue<TASK, TASK_ENTITY, ENTITY>>
+public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY extends AbsEntity, TASK extends AbsTask<TASK_ENTITY, ENTITY>, QUEUE extends ITaskQueue<TASK, TASK_ENTITY, ENTITY>>
     implements ISchedulers<TASK> {
   private static final String TAG = "AbsSchedulers";
 
@@ -131,7 +132,7 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
       Log.e(TAG, "请传入下载任务");
       return true;
     }
-    callback(msg.what, task);
+    //callback(msg.what, task);
     ENTITY entity = task.getEntity();
     switch (msg.what) {
       case STOP:
@@ -154,6 +155,7 @@ public abstract class AbsSchedulers<TASK_ENTITY extends AbsTaskEntity, ENTITY ex
         handleFailTask(task);
         break;
     }
+    callback(msg.what, task);
     return true;
   }
 

app/build.gradle

@@ -42,6 +42,7 @@ dependencies {
   compile 'com.squareup.okhttp3:okhttp:3.2.0'
   compile 'com.arialyy.frame:MVVM2:2.2.0'
   compile project(':Aria')
+  compile project(':AriaCompiler')
 //  compile 'com.arialyy.aria:aria-core:3.1.9'
 //  annotationProcessor 'com.arialyy.aria:aria-compiler:3.1.9'
 

app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java

@@ -209,6 +209,10 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   @Download.onTaskCancel(DOWNLOAD_URL) void taskCancel(DownloadTask task) {
     mUpdateHandler.sendEmptyMessage(DOWNLOAD_CANCEL);
     L.d(TAG, "task__cancel");
+    //Aria.download(this)
+    //    .load(DOWNLOAD_URL)
+    //    .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk")
+    //    .add();
   }
 
   @Download.onTaskFail(DOWNLOAD_URL) void taskFail(DownloadTask task) {
@@ -257,6 +261,11 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
         } else if (text.equals("恢复")) {
           Aria.download(this).load(DOWNLOAD_URL).resume();
         }
+        //DownloadTarget target = Aria.download(this)
+        //    .load(DOWNLOAD_URL)
+        //    .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/test.apk");
+        //target.add();
+        //target.cancel();
         break;
       case R.id.stop:
         Aria.download(this).load(DOWNLOAD_URL).pause();

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

@@ -106,10 +106,7 @@ public class MultiDownloadActivity extends BaseActivity<ActivityMultiDownloadBin
     mAdapter.updateState(task.getDownloadEntity());
   }
 
-  @Download.onTaskRunning({
+  @Download.onTaskRunning() void taskRunning(DownloadTask task) {
-      "https://g37.gdl.netease.com/onmyoji_netease_10_1.0.20.apk",
-      "http://static.gaoshouyou.com/d/eb/f2/dfeba30541f209ab8a50d847fc1661ce.apk"
-  }) void taskRunning(DownloadTask task) {
     mAdapter.setProgress(task.getDownloadEntity());
   }
 }