com.cloudhopper.commons.util.NamingThreadFactory Maven / Gradle / Ivy
package com.cloudhopper.commons.util;
/*
* #%L
* ch-commons-util
* %%
* Copyright (C) 2012 Cloudhopper by Twitter
* %%
* 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.
* #L%
*/
import java.util.concurrent.ThreadFactory;
/**
* A ThreadFactory that standardizes the two most common customizations: thread
* name and whether a thread will be a daemon. Threads created by this factory
* will always have the pattern "name-sequence".
*
* @author joelauer
*/
public class NamingThreadFactory implements ThreadFactory {
private String name;
private boolean daemon;
private Sequencer sequencer;
/**
* Creates a new NamingThreadFactory. All threads will be non-daemon threads.
* @param name The name (prefix) of any threads created by this factory.
*/
public NamingThreadFactory(String name) {
this(name, false);
}
/**
* Creates a new NamingThreadFactory.
* @param name The name (prefix) of any threads created by this factory.
* @param daemon Whether to create a daemon thread.
*/
public NamingThreadFactory(String name, boolean daemon) {
this.name = name;
this.daemon = daemon;
this.sequencer = new Sequencer();
}
@Override
public Thread newThread(Runnable r) {
long id = sequencer.next();
String threadName = name + "-" + id;
Thread thread = new Thread(r, threadName);
thread.setDaemon(daemon);
return thread;
}
}