/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.cm;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import net.jxta.impl.cm.SrdiManager.SrdiPushEntriesInterface;
import net.jxta.logging.Logger;
import net.jxta.logging.Logging;
public class SrdiManagerPeriodicPushTask implements Runnable {
private static final Logger LOG = Logging.getLogger(SrdiManagerPeriodicPushTask.class.getName());
private SrdiPushEntriesInterface pushNotifier;
private boolean stopped = true;
private boolean publishAll = true;
private long pushIntervalInMs;
private ScheduledExecutorService executorService;
private ScheduledFuture<?> selfHandle;
private String handlerName;
public SrdiManagerPeriodicPushTask(String handlerName, SrdiPushEntriesInterface pushNotifier, ScheduledExecutorService executorService, long pushIntervalInMs) {
this.handlerName = handlerName;
this.pushNotifier = pushNotifier;
this.executorService = executorService;
this.pushIntervalInMs = pushIntervalInMs;
}
public void start() {
if(!stopped) return;
Logging.logCheckedDebug(LOG, handlerName, ": Periodic Srdi delta push starting, delay = ", pushIntervalInMs, "ms");
stopped = false;
publishAll = true;
selfHandle = executorService.scheduleWithFixedDelay(this, 0L, pushIntervalInMs, TimeUnit.MILLISECONDS);
}
public void stop() {
if(stopped) return;
Logging.logCheckedDebug(LOG, handlerName, ": Periodic Srdi delta push stopping");
stopped = true;
selfHandle.cancel(false);
}
public void run() {
try {
// LOGGING: was Finer
Logging.logCheckedDebug(LOG, handlerName, ": Pushing ", (publishAll ? "all entries" : "deltas"));
pushNotifier.pushEntries(publishAll);
publishAll = false;
} catch (Throwable all) {
Logging.logCheckedError(LOG, "Uncaught Throwable in SrdiPushTask",all);
}
}
}