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// Copyright 2003-2005 Arthur van Hoff, Rick Blair
// Licensed under Apache License version 2.0
// Original license LGPL
package javax.jmdns.impl.tasks;
import java.util.Timer;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jmdns.impl.JmDNSImpl;
import javax.jmdns.impl.constants.DNSConstants;
/**
* Periodically removes expired entries from the cache.
*/
public class RecordReaper extends DNSTask {
static Logger logger = Logger.getLogger(RecordReaper.class.getName());
/**
* @param jmDNSImpl
*/
public RecordReaper(JmDNSImpl jmDNSImpl) {
super(jmDNSImpl);
}
/*
* (non-Javadoc)
* @see javax.jmdns.impl.tasks.DNSTask#getName()
*/
@Override
public String getName() {
return "RecordReaper(" + (this.getDns() != null ? this.getDns().getName() : "") + ")";
}
/*
* (non-Javadoc)
* @see javax.jmdns.impl.tasks.DNSTask#start(java.util.Timer)
*/
@Override
public void start(Timer timer) {
if (!this.getDns().isCanceling() && !this.getDns().isCanceled()) {
timer.schedule(this, DNSConstants.RECORD_REAPER_INTERVAL, DNSConstants.RECORD_REAPER_INTERVAL);
}
}
@Override
public void run() {
if (this.getDns().isCanceling() || this.getDns().isCanceled()) {
return;
}
if (logger.isLoggable(Level.FINEST)) {
logger.finest(this.getName() + ".run() JmDNS reaping cache");
}
// Remove expired answers from the cache
// -------------------------------------
this.getDns().cleanCache();
}
}
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