/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package org.opencloudb.util;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* @author mycat
*/
public class ExecutorUtil {
public static final NameableExecutor create(String name, int size) {
return create(name, size, true);
}
private static final NameableExecutor create(String name, int size, boolean isDaemon) {
NameableThreadFactory factory = new NameableThreadFactory(name, isDaemon);
return new NameableExecutor(name, size, new LinkedBlockingQueue<Runnable>(), factory);
}
private static class NameableThreadFactory implements ThreadFactory {
private final ThreadGroup group;
private final String namePrefix;
private final AtomicInteger threadId;
private final boolean isDaemon;
public NameableThreadFactory(String name, boolean isDaemon) {
SecurityManager s = System.getSecurityManager();
this.group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
this.namePrefix = name;
this.threadId = new AtomicInteger(0);
this.isDaemon = isDaemon;
}
public Thread newThread(Runnable r) {
Thread t = new Thread(group, r, namePrefix + threadId.getAndIncrement());
t.setDaemon(isDaemon);
if (t.getPriority() != Thread.NORM_PRIORITY) {
t.setPriority(Thread.NORM_PRIORITY);
}
return t;
}
}
}