重命名DataSources.java

Author: LuckyJayce

app/src/main/java/com/shizhefei/test/controllers/mvchelpers/PullrefshActivity.java

@@ -22,7 +22,7 @@
 import com.handmark.pulltorefresh.library.PullToRefreshListView;
 import com.shizhefei.mvc.MVCHelper;
 import com.shizhefei.mvc.MVCPullrefshHelper;
-//import com.shizhefei.task.datasource.DataSources;
+import com.shizhefei.task.datasource.DataSources;
 import com.shizhefei.test.models.datasource.BooksDataSource;
 import com.shizhefei.test.models.enties.Book;
 import com.shizhefei.test.models.task.InitTokenTask;
@@ -50,7 +50,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
 		mvcHelper = new MVCPullrefshHelper<>(refreshListView);
 		// 设置数据源
-//		mvcHelper.setDataSource(DataSources.concatWith(new InitTokenTask(), new BooksDataSource()));
+		mvcHelper.setDataSource(DataSources.concatWith(new InitTokenTask(), new BooksDataSource()));
 		// 设置适配器
 		mvcHelper.setAdapter(new BooksAdapter(this));
 		// 加载数据

mvchelper_tasks/src/main/java/com/shizhefei/task/datasource/DataSources.java

@@ -0,0 +1,44 @@
+package com.shizhefei.task.datasource;
+
+import com.shizhefei.mvc.IAsyncDataSource;
+import com.shizhefei.mvc.IDataSource;
+import com.shizhefei.task.IAsyncTask;
+
+/**
+ * Created by luckyjayce on 2017/4/17.
+ */
+
+public class DataSources {
+
+    /**
+     * 先执行task，再执行dataSource，该函数会返回新的dataSource
+     * @param task
+     * @param dataSource
+     * @param <DATA>
+     * @return
+     */
+    public static <DATA> IAsyncDataSource<DATA> concatWith(IAsyncTask<Void> task, IAsyncDataSource<DATA> dataSource) {
+        return new ConcatDataSource<>(task, dataSource);
+    }
+
+    /**
+     * 先执行task，再执行dataSource，该函数会返回新的dataSource
+     * @param task
+     * @param dataSource
+     * @param <DATA>
+     * @return
+     */
+    public static <DATA> IAsyncDataSource<DATA> concatWith(IAsyncTask<Void> task, IDataSource<DATA> dataSource) {
+        return new ConcatDataSource<>(task, async(dataSource));
+    }
+
+    /**
+     * 同步dataSource变为异步dataSource
+     * @param dataSource
+     * @param <DATA>
+     * @return
+     */
+    public static <DATA> IAsyncDataSource<DATA> async(IDataSource<DATA> dataSource) {
+        return new AsyncDataSource<>(dataSource);
+    }
+}