/*
* The MIT License
*
* Copyright 2013 Jesse Glick.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Thread factory that sets thread name so we know who is responsible for so many threads being created.
* @since 1.541
*/
public final class NamingThreadFactory implements ThreadFactory {
private final AtomicInteger threadNum = new AtomicInteger();
private final ThreadFactory delegate;
private final String name;
/**
* Creates a new naming factory.
* @param delegate a baseline factory, such as {@link Executors#defaultThreadFactory} or {@link DaemonThreadFactory} or {@link ExceptionCatchingThreadFactory}
* @param name an identifier to be used in thread names; might be e.g. your {@link Class#getSimpleName}
*/
public NamingThreadFactory(ThreadFactory delegate, String name) {
this.delegate = delegate;
this.name = name; // TODO consider uniquifying this
}
@Override public Thread newThread(Runnable r) {
Thread t = delegate.newThread(r);
t.setName(name + " [#" + threadNum.incrementAndGet() + "]");
return t;
}
}