/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.jms.client.delegate;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import javax.jms.ConnectionMetaData;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.ServerSessionPool;
import org.jboss.jms.client.FailoverListener;
import org.jboss.jms.client.JBossConnectionConsumer;
import org.jboss.jms.client.remoting.JMSRemotingConnection;
import org.jboss.jms.client.state.ConnectionState;
import org.jboss.jms.client.state.HierarchicalState;
import org.jboss.jms.delegate.ConnectionDelegate;
import org.jboss.jms.delegate.IDBlock;
import org.jboss.jms.delegate.SessionDelegate;
import org.jboss.jms.tx.MessagingXid;
import org.jboss.jms.tx.ResourceManagerFactory;
import org.jboss.jms.tx.TransactionRequest;
import org.jboss.jms.wireformat.CloseRequest;
import org.jboss.jms.wireformat.ClosingRequest;
import org.jboss.jms.wireformat.ConnectionCreateSessionDelegateRequest;
import org.jboss.jms.wireformat.ConnectionGetClientIDRequest;
import org.jboss.jms.wireformat.ConnectionGetIDBlockRequest;
import org.jboss.jms.wireformat.ConnectionGetPreparedTransactionsRequest;
import org.jboss.jms.wireformat.ConnectionSendTransactionRequest;
import org.jboss.jms.wireformat.ConnectionSetClientIDRequest;
import org.jboss.jms.wireformat.ConnectionStartRequest;
import org.jboss.jms.wireformat.ConnectionStopRequest;
import org.jboss.jms.wireformat.RequestSupport;
import org.jboss.logging.Logger;
import org.jboss.messaging.util.Version;
/**
* The client-side Connection delegate class.
*
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
* @author <a href="mailto:ovidiu@feodorov.com">Ovidiu Feodorov</a>
* @author <a href="mailto:clebert.suconic@jboss.org">Clebert Suconic</a>
*
* @version <tt>$Revision: 3248 $</tt>
*
* $Id: ClientConnectionDelegate.java 3248 2007-10-26 20:14:06Z timfox $
*/
public class ClientConnectionDelegate extends DelegateSupport implements ConnectionDelegate
{
// Constants ------------------------------------------------------------------------------------
private static final long serialVersionUID = -5485083713058725777L;
private static final Logger log = Logger.getLogger(ClientConnectionDelegate.class);
// Attributes -----------------------------------------------------------------------------------
private int serverID;
private transient JMSRemotingConnection remotingConnection;
private transient Version versionToUse;
// Static ---------------------------------------------------------------------------------------
// Constructors ---------------------------------------------------------------------------------
public ClientConnectionDelegate(String objectID, int serverID)
{
super(objectID);
this.serverID = serverID;
}
public ClientConnectionDelegate()
{
}
// DelegateSupport overrides --------------------------------------------------------------------
public void synchronizeWith(DelegateSupport nd) throws Exception
{
log.trace(this + " synchronizing with " + nd);
super.synchronizeWith(nd);
ClientConnectionDelegate newDelegate = (ClientConnectionDelegate)nd;
// synchronize the server endpoint state
// this is a bit counterintuitve, as we're not copying from new delegate, but modifying its
// state based on the old state. It makes sense, since in the end the state makes it to the
// server
ConnectionState thisState = (ConnectionState)state;
if (thisState.getClientID() != null)
{
newDelegate.setClientID(thisState.getClientID());
}
// synchronize (recursively) the client-side state
state.synchronizeWith(newDelegate.getState());
// synchronize the delegates
remotingConnection = newDelegate.getRemotingConnection();
versionToUse = newDelegate.getVersionToUse();
// There is one RM per server, so we need to merge the rms if necessary
ResourceManagerFactory.instance.handleFailover(serverID, newDelegate.getServerID());
client = thisState.getRemotingConnection().getRemotingClient();
serverID = newDelegate.getServerID();
}
public void setState(HierarchicalState state)
{
super.setState(state);
client = ((ConnectionState)state).getRemotingConnection().getRemotingClient();
}
// Closeable implementation ---------------------------------------------------------------------
public void close() throws JMSException
{
RequestSupport req = new CloseRequest(id, version);
doInvoke(client, req);
}
public long closing(long sequence) throws JMSException
{
RequestSupport req = new ClosingRequest(sequence, id, version);
return ((Long)doInvoke(client, req)).longValue();
}
// ConnectionDelegate implementation ------------------------------------------------------------
/**
* This invocation should either be handled by the client-side interceptor chain or by the
* server-side endpoint.
*/
public JBossConnectionConsumer createConnectionConsumer(Destination dest,
String subscriptionName,
String messageSelector,
ServerSessionPool sessionPool,
int maxMessages) throws JMSException
{
throw new IllegalStateException("This invocation should not be handled here!");
}
public SessionDelegate createSessionDelegate(boolean transacted,
int acknowledgmentMode,
boolean isXA) throws JMSException
{
RequestSupport req =
new ConnectionCreateSessionDelegateRequest(id, version, transacted,
acknowledgmentMode, isXA);
return (SessionDelegate)doInvoke(client, req);
}
public String getClientID() throws JMSException
{
RequestSupport req = new ConnectionGetClientIDRequest(id, version);
return (String)doInvoke(client, req);
}
/**
* This invocation should either be handled by the client-side interceptor chain or by the
* server-side endpoint.
*/
public ConnectionMetaData getConnectionMetaData() throws JMSException
{
throw new IllegalStateException("This invocation should not be handled here!");
}
/**
* This invocation should either be handled by the client-side interceptor chain or by the
* server-side endpoint.
*/
public ExceptionListener getExceptionListener() throws JMSException
{
throw new IllegalStateException("This invocation should not be handled here!");
}
public void sendTransaction(TransactionRequest request,
boolean checkForDuplicates) throws JMSException
{
RequestSupport req =
new ConnectionSendTransactionRequest(id, version, request, checkForDuplicates);
doInvoke(client, req);
}
public void setClientID(String clientID) throws JMSException
{
RequestSupport req = new ConnectionSetClientIDRequest(id, version, clientID);
doInvoke(client, req);
}
/**
* This invocation should either be handled by the client-side interceptor chain or by the
* server-side endpoint.
*/
public void setExceptionListener(ExceptionListener listener) throws JMSException
{
throw new IllegalStateException("This invocation should not be handled here!");
}
public void start() throws JMSException
{
RequestSupport req = new ConnectionStartRequest(id, version);
doInvoke(client, req);
}
public void startAfterFailover() throws JMSException
{
RequestSupport req = new ConnectionStartRequest(id, version);
doInvoke(client, req);
}
public void stop() throws JMSException
{
RequestSupport req = new ConnectionStopRequest(id, version);
doInvoke(client, req);
}
public MessagingXid[] getPreparedTransactions() throws JMSException
{
RequestSupport req = new ConnectionGetPreparedTransactionsRequest(id, version);
return (MessagingXid[])doInvoke(client, req);
}
/**
* This invocation should be handled by the client-side interceptor chain.
*/
public void registerFailoverListener(FailoverListener l)
{
throw new IllegalStateException("This invocation should not be handled here!");
}
/**
* This invocation should be handled by the client-side interceptor chain.
*/
public boolean unregisterFailoverListener(FailoverListener l)
{
throw new IllegalStateException("This invocation should not be handled here!");
}
public IDBlock getIdBlock(int size) throws JMSException
{
RequestSupport req = new ConnectionGetIDBlockRequest(id, version, size);
return (IDBlock)doInvoke(client, req);
}
// Public ---------------------------------------------------------------------------------------
public void setRemotingConnection(JMSRemotingConnection conn)
{
this.remotingConnection = conn;
}
public JMSRemotingConnection getRemotingConnection()
{
return remotingConnection;
}
public int getServerID()
{
return serverID;
}
public Version getVersionToUse()
{
return versionToUse;
}
public void setVersionToUse(Version versionToUse)
{
this.versionToUse = versionToUse;
}
public String toString()
{
return "ConnectionDelegate[" + System.identityHashCode(this) + ", ID=" + id +
", SID=" + serverID + "]";
}
// Protected ------------------------------------------------------------------------------------
// Streamable implementation -------------------------------------------------------------------
public void read(DataInputStream in) throws Exception
{
super.read(in);
serverID = in.readInt();
}
public void write(DataOutputStream out) throws Exception
{
super.write(out);
out.writeInt(serverID);
}
// Package Private ------------------------------------------------------------------------------
// Private --------------------------------------------------------------------------------------
// Inner Classes --------------------------------------------------------------------------------
}