/*
* ALMA - Atacama Large Millimiter Array
* (c) European Southern Observatory, 2002
* Copyright by ESO (in the framework of the ALMA collaboration),
* All rights reserved
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
package alma.acs.concurrent;
import java.util.concurrent.ThreadFactory;
/**
* Factory for daemon threads.
* @author hsommer
* created Oct 29, 2003 3:51:25 PM
*/
public class DaemonThreadFactory implements ThreadFactory
{
private String threadNamePrefix;
public DaemonThreadFactory() {
super();
}
public DaemonThreadFactory(String threadNamePrefix) {
super();
setThreadNamePrefix(threadNamePrefix);
}
/**
* @see ThreadFactory#newThread(java.lang.Runnable)
*/
public Thread newThread(Runnable command)
{
Thread t = new Thread(command);
t.setDaemon(true);
// t.setPriority(Thread.MIN_PRIORITY+1);
String assignedName = t.getName();
if (threadNamePrefix != null) {
assignedName = threadNamePrefix + assignedName;
}
String threadName = getThreadName(assignedName);
if (threadName == null) {
threadName = assignedName;
}
t.setName(threadName);
return t;
}
/**
* Can be overridden to change the name used for a new thread.
* @param assignedName concatenation of the name prefix (if one was given in {@link DaemonThreadFactory#setThreadNamePrefix(String)})
* and the thread name generated by the constructor of Thread.
* @return the name to be used (will be ignored if it's null)
*/
protected String getThreadName(String assignedName) {
return assignedName;
}
public void setThreadNamePrefix(String threadNamePrefix) {
this.threadNamePrefix = threadNamePrefix;
}
}