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      1 /*
      2  * Copyright (C) 2016 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.voicemail.impl.scheduling;
     18 
     19 import android.content.Intent;
     20 import android.os.Bundle;
     21 import com.android.voicemail.impl.scheduling.Task.TaskId;
     22 
     23 /**
     24  * If a task with this policy succeeds, a {@link BlockerTask} with the same {@link TaskId} of the
     25  * task will be queued immediately, preventing the same task from running for a certain amount of
     26  * time.
     27  */
     28 public class MinimalIntervalPolicy implements Policy {
     29 
     30   BaseTask mTask;
     31   TaskId mId;
     32   int mBlockForMillis;
     33 
     34   public MinimalIntervalPolicy(int blockForMillis) {
     35     mBlockForMillis = blockForMillis;
     36   }
     37 
     38   @Override
     39   public void onCreate(BaseTask task, Bundle extras) {
     40     mTask = task;
     41     mId = mTask.getId();
     42   }
     43 
     44   @Override
     45   public void onBeforeExecute() {}
     46 
     47   @Override
     48   public void onCompleted() {
     49     if (!mTask.hasFailed()) {
     50       Intent intent =
     51           BaseTask.createIntent(mTask.getContext(), BlockerTask.class, mId.phoneAccountHandle);
     52       intent.putExtra(BlockerTask.EXTRA_TASK_ID, mId.id);
     53       intent.putExtra(BlockerTask.EXTRA_BLOCK_FOR_MILLIS, mBlockForMillis);
     54       mTask.getContext().sendBroadcast(intent);
     55     }
     56   }
     57 
     58   @Override
     59   public void onFail() {}
     60 
     61   @Override
     62   public void onDuplicatedTaskAdded() {}
     63 }
     64