/*
* Copyright 2009 Red Hat, Inc.
* Red Hat licenses this file to you under the Apache License, version
* 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.hornetq.core.protocol.core.impl.wireformat;
import org.hornetq.api.core.HornetQBuffer;
import org.hornetq.utils.Pair;
import org.hornetq.api.core.TransportConfiguration;
import org.hornetq.core.protocol.core.impl.PacketImpl;
/**
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
*
*/
public class ClusterTopologyChangeMessage extends PacketImpl
{
protected boolean exit;
protected String nodeID;
protected Pair<TransportConfiguration, TransportConfiguration> pair;
protected boolean last;
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
public ClusterTopologyChangeMessage(final String nodeID, final Pair<TransportConfiguration, TransportConfiguration> pair, final boolean last)
{
super(CLUSTER_TOPOLOGY);
this.nodeID = nodeID;
this.pair = pair;
this.last = last;
this.exit = false;
}
public ClusterTopologyChangeMessage(final String nodeID)
{
super(CLUSTER_TOPOLOGY);
this.exit = true;
this.nodeID = nodeID;
}
public ClusterTopologyChangeMessage()
{
super(CLUSTER_TOPOLOGY);
}
// Public --------------------------------------------------------
/**
* @param clusterTopologyV2
*/
public ClusterTopologyChangeMessage(byte clusterTopologyV2)
{
super(clusterTopologyV2);
}
public String getNodeID()
{
return nodeID;
}
public Pair<TransportConfiguration, TransportConfiguration> getPair()
{
return pair;
}
public boolean isLast()
{
return last;
}
public boolean isExit()
{
return exit;
}
@Override
public void encodeRest(final HornetQBuffer buffer)
{
buffer.writeBoolean(exit);
buffer.writeString(nodeID);
if (!exit)
{
if (pair.getA() != null)
{
buffer.writeBoolean(true);
pair.getA().encode(buffer);
}
else
{
buffer.writeBoolean(false);
}
if (pair.getB() != null)
{
buffer.writeBoolean(true);
pair.getB().encode(buffer);
}
else
{
buffer.writeBoolean(false);
}
buffer.writeBoolean(last);
}
}
@Override
public void decodeRest(final HornetQBuffer buffer)
{
exit = buffer.readBoolean();
nodeID = buffer.readString();
if (!exit)
{
boolean hasLive = buffer.readBoolean();
TransportConfiguration a;
if(hasLive)
{
a = new TransportConfiguration();
a.decode(buffer);
}
else
{
a = null;
}
boolean hasBackup = buffer.readBoolean();
TransportConfiguration b;
if (hasBackup)
{
b = new TransportConfiguration();
b.decode(buffer);
}
else
{
b = null;
}
pair = new Pair<TransportConfiguration, TransportConfiguration>(a, b);
last = buffer.readBoolean();
}
}
@Override
public int hashCode()
{
final int prime = 31;
int result = super.hashCode();
result = prime * result + (exit ? 1231 : 1237);
result = prime * result + (last ? 1231 : 1237);
result = prime * result + ((nodeID == null) ? 0 : nodeID.hashCode());
result = prime * result + ((pair == null) ? 0 : pair.hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (!super.equals(obj))
{
return false;
}
if (!(obj instanceof ClusterTopologyChangeMessage))
{
return false;
}
ClusterTopologyChangeMessage other = (ClusterTopologyChangeMessage)obj;
if (exit != other.exit)
{
return false;
}
if (last != other.last)
{
return false;
}
if (nodeID == null)
{
if (other.nodeID != null)
{
return false;
}
}
else if (!nodeID.equals(other.nodeID))
{
return false;
}
if (pair == null)
{
if (other.pair != null)
{
return false;
}
}
else if (!pair.equals(other.pair))
{
return false;
}
return true;
}
}