Update of /cvsroot/cweb/bigdata/src/java/com/bigdata/util/concurrent
In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv5461/src/java/com/bigdata/util/concurrent
Added Files:
DaemonThreadFactory.java
Log Message:
Further work supporting transactional isolation.
--- NEW FILE: DaemonThreadFactory.java ---
package com.bigdata.util.concurrent;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* A thread factory that configures the thread as a daemon thread.
*
* @author <a href="mailto:tho...@us...">Bryan Thompson</a>
* @version $Id$
*/
public class DaemonThreadFactory implements ThreadFactory {
final private ThreadFactory delegate;
private static ThreadFactory _default = new DaemonThreadFactory();
/**
* Returns an instance based on {@link Executors#defaultThreadFactory()}
* that configures the thread for daemon mode.
*/
final public static ThreadFactory defaultThreadFactory() {
return _default;
}
/**
* Uses {@link Executors#defaultThreadFactory()} as the delegate.
*/
public DaemonThreadFactory() {
this( Executors.defaultThreadFactory() );
}
/**
* Uses the specified delegate {@link ThreadFactory}.
*
* @param delegate
* The delegate thread factory that is responsible for
* creating the threads.
*/
public DaemonThreadFactory(ThreadFactory delegate) {
assert delegate != null;
this.delegate = delegate;
}
public Thread newThread(Runnable r) {
Thread t = delegate.newThread( r );
t.setDaemon(true);
// System.err.println("new thread: "+t.getName());
return t;
}
}
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