/*
* Copyright (C) 2015 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.build.gradle.tasks;
import com.android.annotations.NonNull;
import com.android.builder.tasks.Job;
import com.android.builder.tasks.JobContext;
import com.android.builder.tasks.QueueThreadContextAdapter;
import com.android.builder.tasks.WorkQueue;
import com.android.utils.StdLogger;
/**
* Common utilities to use a simple shared instance of {@link WorkQueue}.
* The context for job will be empty, and it is the responsibility of the
* {@link com.android.builder.tasks.WorkQueue.QueueTask} to have enough context to run.
*/
public class SimpleWorkQueue {
/**
* Simple {@link WorkQueue} context implementation that simply runs the proguard job.
*/
private static class EmptyThreadContext extends
QueueThreadContextAdapter<Void> {
@Override
public void runTask(@NonNull Job<Void> job) throws Exception {
job.runTask(new JobContext<Void>(null /* payload */));
job.finished();
}
}
/**
* singleton work queue for all proguard invocations.
*/
private static final WorkQueue<Void> WORK_QUEUE =
new WorkQueue<Void>(
new StdLogger(StdLogger.Level.VERBOSE),
new EmptyThreadContext(), "Tasks limiter", 4);
static void push(Job<Void> job) throws InterruptedException {
WORK_QUEUE.push(job);
}
}