/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.plugin.maven.server.core;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import com.google.inject.Singleton;
import org.eclipse.che.commons.lang.concurrent.LoggingUncaughtExceptionHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.PreDestroy;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
/**
* @author Evgen Vidolob
*/
@Singleton
public class MavenExecutorService {
private static final Logger LOG = LoggerFactory.getLogger(MavenExecutorService.class);
private final ExecutorService service;
public MavenExecutorService() {
ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat("Maven Executor - %d")
.setUncaughtExceptionHandler(LoggingUncaughtExceptionHandler.getInstance())
.build();
service = Executors.newFixedThreadPool(1, threadFactory);
}
public void submit(Runnable task) {
service.execute(task);
}
@PreDestroy
public void shutdown() throws InterruptedException {
// Tell threads to finish off.
service.shutdown(); // Disable new tasks from being submitted
try {
// Wait a while for existing tasks to terminate
if (!service.awaitTermination(60, TimeUnit.SECONDS)) {
service.shutdownNow(); // Cancel currently executing tasks
// Wait a while for tasks to respond to being cancelled
if (!service.awaitTermination(60, TimeUnit.SECONDS))
LOG.warn("Pool did not terminate");
}
} catch (InterruptedException ie) {
// (Re-)Cancel if current thread also interrupted
service.shutdownNow();
// Preserve interrupt status
Thread.currentThread().interrupt();
}
}
}