alfresco-community-repo/source/java/org/alfresco/util/TraceableThreadFactory.java
Derek Hulley e02f50bd08 Merged V2.1 to HEAD
6515: Fix for AWC-1362 (system error page when clicking on space that doesn't exist in navigator)
   6516: Fix for AR-1688 - Vista
   6518: Fix for AWC-1479, AWC-1199 and AWC-426 (javascript insertion into forum posts security related fixes) limit to subset of safe tags for posting
   6519: Fix AR-1690 Web Scripts url.args is missing even though it's documented in WIKI
   6520: Fix for AWC-1271 (component generator config ignored for associations)
   6521: Fix AWC-1492 Some included javascript files in template/webscripts use the wrong app context path i.e. /alfresco when the app is called /alfzip
   6522: Build fix
   6523: - Fix rendering of tasks with no description in office portlets
   6524: Added thread pool for index merging (AR-1633, AR-1579)
   6525: One more fix for rendering of tasks with no description in office portlets
   6527: Renamed axis jar to reflect version number.
   6528: WebServices query cache refactoring


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6741 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-09-10 23:44:07 +00:00

102 lines
3.5 KiB
Java

/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.util;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* A thread factory that spawns threads that are statically visible. Each factory uses a unique
* thread group. All the groups that have been used can be fetched using
* {@link #getActiveThreadGroups()}, allowing iteration of the the threads in the group.
*
* @since 2.1
* @author Derek Hulley
*/
public class TraceableThreadFactory implements ThreadFactory
{
private static final AtomicInteger factoryNumber = new AtomicInteger(1);
private static List<ThreadGroup> activeThreadGroups = Collections.synchronizedList(new ArrayList<ThreadGroup>(1));
/**
* Get a list of thread groups registered by the factory.
*
* @return Returns a snapshot of thread groups
*/
public static List<ThreadGroup> getActiveThreadGroups()
{
return activeThreadGroups;
}
private final ThreadGroup group;
private final String namePrefix;
private final AtomicInteger threadNumber;
private boolean threadDaemon;
private int threadPriority;
public TraceableThreadFactory()
{
this.group = new ThreadGroup("TraceableThreadGroup-" + factoryNumber.getAndIncrement());
TraceableThreadFactory.activeThreadGroups.add(this.group);
this.namePrefix = "TraceableThread-" + factoryNumber.getAndIncrement() + "-thread-";
this.threadNumber = new AtomicInteger(1);
}
/**
* @param daemon <tt>true</tt> if all threads created must be daemon threads
*/
public void setThreadDaemon(boolean daemon)
{
this.threadDaemon = daemon;
}
/**
*
* @param threadPriority the threads priority from 1 (lowest) to 10 (highest)
*/
public void setThreadPriority(int threadPriority)
{
this.threadPriority = threadPriority;
}
public Thread newThread(Runnable r)
{
Thread thread = new Thread(
group,
r,
namePrefix + threadNumber.getAndIncrement(),
0);
thread.setDaemon(threadDaemon);
thread.setPriority(threadPriority);
return thread;
}
}