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/*
* 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 :
* 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.rendezvous.edge;
import net.jxta.id.ID;
import net.jxta.impl.rendezvous.PeerConnection;
import net.jxta.impl.rendezvous.RendezVousServiceImpl;
import net.jxta.impl.util.TimeUtils;
import net.jxta.peergroup.PeerGroup;
import net.jxta.protocol.PeerAdvertisement;
import java.util.logging.Level;
import net.jxta.logging.Logging;
import java.util.logging.Logger;
/**
* Manages a connection with a client or a rendezvous peer.
*/
public class RdvConnection extends PeerConnection {
/**
* Logger
*/
private final static transient Logger LOG = Logger.getLogger(RdvConnection.class.getName());
protected long leasedTil;
protected long beginRenewalAt;
protected PeerAdvertisement cachedPeerAdvertisement = null;
protected int cachedModCount = -1;
/**
* Constructor for the PeerConnection object
*
* @param group group context
* @param rdvService the rendezvous service to use for sending messages.
* @param peer destination peerid
*/
public RdvConnection(PeerGroup group, RendezVousServiceImpl rdvService, ID peer) {
super(group, rdvService.endpoint, peer);
cachedPeerAdvertisement = group.getPeerAdvertisement();
cachedModCount = cachedPeerAdvertisement.getModCount();
}
/**
* {@inheritDoc}
*/
@Override
public String toString() {
return super.toString() + " / " + Long.toString(TimeUtils.toRelativeTimeMillis(beginRenewalAt));
}
/**
* {@inheritDoc}
*/
@Override
protected void setLease(long leaseDuration) {
setLease(leaseDuration, 0);
}
/**
* Set the lease duration in relative milliseconds.
*
* @param leaseDuration the lease duration in relative milliseconds.
* @param earlyRenewal amount of time in relative milliseconds before lease end to begin renewal
*/
public void setLease(long leaseDuration, long earlyRenewal) {
if (leaseDuration < earlyRenewal) {
throw new IllegalArgumentException("Renewal scheduled before begining of lease");
}
super.setLease(leaseDuration);
beginRenewalAt = TimeUtils.toAbsoluteTimeMillis(leaseDuration - earlyRenewal);
}
/**
* Declare that we are connected.
*
* @param padv the node advertisement
* @param leaseDuration lease duration in milliseconds
* @param earlyRenewal early renwal in milliseconds
*/
public void connect(PeerAdvertisement padv, long leaseDuration, long earlyRenewal) {
super.connect(leaseDuration);
setLease(leaseDuration, earlyRenewal);
// We will almost certainly need a messenger soon. Get it now.
getCachedMessenger(padv);
}
/**
* Time at which the lease needs renewal in absolute milliseconds.
*
* @return The lease value
*/
public long getRenewal() {
return beginRenewalAt;
}
}