| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.phone.vvm.omtp.scheduling; |
| |
| import android.content.Intent; |
| |
| import com.android.phone.vvm.omtp.VvmLog; |
| |
| /** |
| * A task with Postpone policy will not be executed immediately. It will wait for a while and if a |
| * duplicated task is queued during the duration, the task will be postponed further. The task will |
| * only be executed if no new task was added in postponeMillis. Useful to batch small tasks in quick |
| * succession together. |
| */ |
| public class PostponePolicy implements Policy { |
| |
| private static final String TAG = "PostponePolicy"; |
| |
| private final int mPostponeMillis; |
| private BaseTask mTask; |
| |
| public PostponePolicy(int postponeMillis) { |
| mPostponeMillis = postponeMillis; |
| } |
| |
| @Override |
| public void onCreate(BaseTask task, Intent intent, int flags, int startId) { |
| mTask = task; |
| mTask.setExecutionTime(mTask.getTimeMillis() + mPostponeMillis); |
| } |
| |
| @Override |
| public void onBeforeExecute() { |
| // Do nothing |
| } |
| |
| @Override |
| public void onCompleted() { |
| // Do nothing |
| } |
| |
| @Override |
| public void onFail() { |
| // Do nothing |
| } |
| |
| @Override |
| public void onDuplicatedTaskAdded() { |
| if (mTask.hasStarted()) { |
| return; |
| } |
| VvmLog.d(TAG, "postponing " + mTask); |
| mTask.setExecutionTime(mTask.getTimeMillis() + mPostponeMillis); |
| } |
| } |