Package org.jboss.jms.wireformat

Source Code of org.jboss.jms.wireformat.SessionSendRequest

/*
* 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.wireformat;

import java.io.DataInputStream;
import java.io.DataOutputStream;

import org.jboss.jms.message.JBossMessage;
import org.jboss.jms.server.ServerPeer;
import org.jboss.jms.server.endpoint.advised.SessionAdvised;
import org.jboss.messaging.core.impl.message.MessageFactory;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.invocation.OnewayInvocation;

/**
*
* A SessionSendRequest
*
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
* @version <tt>$Revision: 3397 $</tt>
*
* $Id: SessionSendRequest.java 3397 2007-12-03 13:56:39Z timfox $
*
*/
public class SessionSendRequest extends RequestSupport
{
  
   private JBossMessage msg;
   private boolean checkForDuplicates;
   private boolean oneway;
   private long sequence;
   public SessionSendRequest()
   {     
   }
  
   public SessionSendRequest(String objectId,
                             byte version,
                             JBossMessage msg,
                             boolean checkForDuplicates,
                             boolean oneway,
                             long sequence)
   {
      super(objectId, PacketSupport.REQ_SESSION_SEND, version);
      this.msg = msg;
      this.checkForDuplicates = checkForDuplicates;
      this.oneway = oneway;
      this.sequence = sequence;
   }

   public void read(DataInputStream is) throws Exception
   {
      super.read(is);
     
      byte messageType = is.readByte();
     
      msg = (JBossMessage)MessageFactory.createMessage(messageType);

      msg.read(is);

      checkForDuplicates = is.readBoolean();
     
      oneway = is.readBoolean();
     
      sequence = is.readLong();
   }

   public ResponseSupport serverInvoke() throws Exception
   {
      SessionAdvised advised =
         (SessionAdvised)Dispatcher.instance.getTarget(objectId);
     
      if (advised != null)
      {        
         advised.send(msg, checkForDuplicates, sequence);
      }
      else
      {       
         if (!oneway)
         {
            throw new IllegalStateException("Cannot find object in dispatcher with id " + objectId);
         }
      }
     
      return null;
   }

   public void write(DataOutputStream os) throws Exception
   {
      super.write(os);
     
      os.writeByte(msg.getType());
     
      msg.write(os);

      os.writeBoolean(checkForDuplicates);
     
      os.writeBoolean(oneway);
     
      os.writeLong(sequence);
     
      os.flush();
   }
  
   public Object getPayload()
   {
     if (oneway)
     {      
       OnewayInvocation oi = new OnewayInvocation(this);
 
       InvocationRequest request =
         new InvocationRequest(null, ServerPeer.REMOTING_JMS_SUBSYSTEM,
             oi, ONE_WAY_METADATA, null, null);
 
       return request;    
     }
     else
     {
       return super.getPayload();
     }
   }

}





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