/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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, see http://www.gnu.org/licenses/. */
package com.db4o.foundation;
/**
* @exclude
*/
public final class SimpleTimer implements Runnable {
private final Runnable _runnable;
private final long _interval;
private Lock4 _lock;
public volatile boolean stopped = false;
public SimpleTimer(Runnable runnable, long interval) {
_runnable = runnable;
_interval = interval;
_lock = new Lock4();
}
public void stop() {
stopped = true;
_lock.run(new Closure4() {
public Object run() {
_lock.awake();
return null;
}
});
}
public void run() {
while (!stopped) {
_lock.run(new Closure4() {
public Object run() {
_lock.snooze(_interval);
return null;
}
});
if (!stopped) {
_runnable.run();
}
}
}
}