用线程池的方案替换了rxjava

foudations/mogo-utils/src/main/java/com/mogo/utils/ThreadPoolService.java

@@ -7,7 +7,7 @@ import java.util.concurrent.ThreadFactory;
 public class ThreadPoolService {
 
     private static final ExecutorService SERVICE = Executors.newFixedThreadPool( 3, new ThreadFactoryImpl() );
-
+    private static final ExecutorService SINGLE_THREAD_SERVICE = Executors.newSingleThreadExecutor(new SingleThreadFactoryImpl());
     private static class ThreadFactoryImpl implements ThreadFactory {
 
         private static int mCounter = 1;
@@ -18,10 +18,26 @@ public class ThreadPoolService {
         }
     }
 
+    /**
+     * 单线程队列执行的ThreadFactory实现，应该只会new一个Thread
+     */
+    private static class SingleThreadFactoryImpl implements ThreadFactory{
+        private static int counter = 1;
+
+        @Override
+        public Thread newThread(Runnable r) {
+            return new Thread(r, "SingleThread - " + counter++);
+        }
+    }
+
     private ThreadPoolService() {
     }
 
     public static void execute( Runnable task ) {
         SERVICE.execute( task );
     }
+
+    public static void singleExecute(Runnable task) {
+        SINGLE_THREAD_SERVICE.execute(task);
+    }
 }