com.yahoo.concurrent.DaemonThreadFactory Maven / Gradle / Ivy
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.concurrent;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* A simple thread factory that decorates Executors.defaultThreadFactory()
* and sets all created threads to be daemon threads.
*
* @author Einar M R Rosenvinge
*/
public class DaemonThreadFactory implements ThreadFactory {
private final ThreadFactory defaultThreadFactory = Executors.defaultThreadFactory();
private String prefix = null;
/**
* Creates a deamon thread factory that creates threads with the default names
* provided by Executors.defaultThreadFactory()
.
*/
public DaemonThreadFactory() {
}
/**
* Creates a deamon thread factory that creates threads with the default names
* provided by Executors.defaultThreadFactory()
prepended by the
* specified prefix.
*
* @param prefix the thread name prefix to use
*/
public DaemonThreadFactory(String prefix) {
this.prefix = prefix;
}
public String getPrefix() {
return prefix;
}
@Override
public Thread newThread(Runnable runnable) {
Thread t = defaultThreadFactory.newThread(runnable);
t.setDaemon(true);
if (prefix != null) {
t.setName(prefix + t.getName());
}
return t;
}
}