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/**
* $RCSfile: $
* $Revision: $
* $Date: $
*
* Copyright (C) 2007 Jive Software. All rights reserved.
*
* This software is published under the terms of the GNU Public License (GPL),
* a copy of which is included in this distribution.
*/
package org.jivesoftware.openfire.spi;
import org.jivesoftware.openfire.XMPPServer;
import org.jivesoftware.openfire.cluster.NodeID;
import org.jivesoftware.util.cache.CacheSizes;
import org.jivesoftware.util.cache.Cacheable;
import org.jivesoftware.util.cache.ExternalizableUtil;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* Internal object used by RoutingTableImpl to keep track of the node that own a ClientSession
* and whether the session is available or not.
*
* @author Gaston Dombiak
*/
public class ClientRoute implements Cacheable, Externalizable {
private NodeID nodeID;
private boolean available;
public ClientRoute() {
}
public NodeID getNodeID() {
return nodeID;
}
public boolean isAvailable() {
return available;
}
public ClientRoute(NodeID nodeID, boolean available) {
this.nodeID = nodeID;
this.available = available;
}
public int getCachedSize() {
// Approximate the size of the object in bytes by calculating the size
// of each field.
int size = 0;
size += CacheSizes.sizeOfObject(); // overhead of object
size += nodeID.toByteArray().length; // Node ID
size += CacheSizes.sizeOfBoolean(); // available
return size;
}
public void writeExternal(ObjectOutput out) throws IOException {
ExternalizableUtil.getInstance().writeByteArray(out, nodeID.toByteArray());
ExternalizableUtil.getInstance().writeBoolean(out, available);
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
byte[] bytes = ExternalizableUtil.getInstance().readByteArray(in);
// Retrieve the NodeID but try to use the singleton instance
if (XMPPServer.getInstance().getNodeID().equals(bytes)) {
nodeID = XMPPServer.getInstance().getNodeID();
}
else {
nodeID = NodeID.getInstance(bytes);
}
available = ExternalizableUtil.getInstance().readBoolean(in);
}
}