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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.camera.async;
     18 
     19 import java.util.concurrent.Executor;
     20 
     21 import android.os.Handler;
     22 
     23 import javax.annotation.ParametersAreNonnullByDefault;
     24 
     25 /**
     26  * An {@link Executor} which posts to a {@link Handler}.
     27  */
     28 @ParametersAreNonnullByDefault
     29 public class HandlerExecutor implements Executor {
     30     private final Handler mHandler;
     31 
     32     public HandlerExecutor(Handler handler) {
     33         mHandler = handler;
     34     }
     35 
     36     @Override
     37     public void execute(Runnable runnable) {
     38         mHandler.post(runnable);
     39     }
     40 }
     41