src/com/android/phone/vvm/omtp/scheduling/BlockerTask.java

/*
 * 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.Context;
import android.content.Intent;

import com.android.phone.vvm.omtp.VvmLog;

/**
 * Task to block another task of the same ID from being queued for a certain amount of time.
 */
public class BlockerTask extends BaseTask {

    private static final String TAG = "BlockerTask";

    public static final String EXTRA_TASK_ID = "extra_task_id";
    public static final String EXTRA_BLOCK_FOR_MILLIS = "extra_block_for_millis";

    public BlockerTask() {
        super(TASK_INVALID);
    }

    @Override
    public void onCreate(Context context, Intent intent, int flags, int startId) {
        super.onCreate(context, intent, flags, startId);
        setId(intent.getIntExtra(EXTRA_TASK_ID, TASK_INVALID));
        setExecutionTime(getTimeMillis() + intent.getIntExtra(EXTRA_BLOCK_FOR_MILLIS, 0));
    }

    @Override
    public void onExecuteInBackgroundThread() {
        // Do nothing.
    }

    @Override
    public void onDuplicatedTaskAdded(Task task) {
        VvmLog
            .v(TAG, task.toString() + "blocked, " + getReadyInMilliSeconds() + "millis remaining");
    }
}