Examples of nexj.core.rpc.TransferObject

nexj.core.rpc.TransferObject
Serializable data transfer object used to pass object state across process boundaries. The Transfer Objects must contain Object Identifiers (OID). The OIDs are used to match the persisted instance to its remote copies. The whole Transfer Object graph is serialized along with the request. Individual protocols, e.g. SOAP might use internal protocol-specific tables to describe the instance references within the serialized graph.

   /**
    * @see nexj.core.integration.Sender#send(java.util.Collection)
    */
   public void send(Collection col) throws IntegrationException
   {
      TransferObject tobj;
      TCPConnection con = null;
      InetSocketAddress prevRemoteAddr = null;
      InetSocketAddress prevLocalAddr = null;
      KeyStore prevCertificate = null;
      String sPrevPassword = null;

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                  producer = session.createProducer(destination);
                  bRetry = false;


                  for (Iterator itr = col.iterator(); itr.hasNext();)
                  {
                     TransferObject tobj = (TransferObject)itr.next();
                     Boolean persistent = (Boolean)tobj.findValue(PERSISTENT);
                     int nPersistenceMode =
                        ((persistent == null) ? m_channel.isPersistent() : persistent.booleanValue()) ?
                        DeliveryMode.PERSISTENT : DeliveryMode.NON_PERSISTENT;
                     Number priority = (Number)tobj.findValue(PRIORITY);
                     int nPriority = (priority == null) ? m_channel.getPriority() : priority.intValue();
                     Number ttl = (Number)tobj.findValue(TTL);
                     long lTTL = (ttl == null) ? m_channel.getTimeToLive() : ttl.longValue();


                     m_sentCounter.add(1);
                     producer.send(createMessage(session, tobj), nPersistenceMode, nPriority, lTTL);
                  }

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      else
      {
         message.setJMSReplyTo(getDestination((String)replyTo));
      }


      TransferObject properties = (TransferObject)tobj.findValue(PROPERTIES);


      if (properties != null)
      {
         for (PropertyIterator itr = properties.getIterator(); itr.hasNext();)
         {
            String sName = (String)itr.next();
            Object value = itr.getValue();


            if (value instanceof BigDecimal)

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   {
      nexj.core.runtime.Context contextSaved = ThreadContextHolder.getContext();


      for (Iterator itr = col.iterator(); itr.hasNext();)
      {
         TransferObject tobj = (TransferObject)itr.next();
         Transaction tx = null;


         try
         {
            // Clone the object graph

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                     miStream = m_channel.getMessageStreamFactory(context).createMessageInputStream(in);
                     m_msgInputStreamMap.put(in, miStream);
                  }
               }


               final TransferObject tobj = new TransferObject("TCP", 7);


               if (m_channel.isResolvingEnabled())
               {
                  AccessController.doPrivileged(new PrivilegedAction()
                  {
                     public Object run()
                     {
                        // do hostname lookups
                        tobj.setValue(TCPSender.REMOTE_HOST, remoteAddress.getAddress().getHostName());
                        tobj.setValue(TCPSender.LOCAL_HOST, localAddress.getAddress().getHostName());


                        return null;
                     }
                  });
               }
               else
               {
                  tobj.setValue(TCPSender.REMOTE_HOST, remoteAddress.getAddress().getHostAddress());
                  tobj.setValue(TCPSender.LOCAL_HOST, localAddress.getAddress().getHostAddress());
               }


               tobj.setValue(TCPSender.REMOTE_PORT, Primitive.createInteger(remoteAddress.getPort()));
               tobj.setValue(TCPSender.LOCAL_PORT, Primitive.createInteger(localAddress.getPort()));
               tobj.setValue(TCPSender.CHANNEL, m_channel.getName());
               tobj.setValue(TCPSender.CLIENT_CERTIFICATES, (certificateArray == null) ? null : new ArrayList(Arrays.asList(certificateArray)));


               try
               {
                  if (miStream.next(tobj))
                  {
                     Object body;


                     // get body
                     InputStream bufStream = new BufferedInputStream(new NoCloseInputStream(miStream));


                     if (m_channel.getEncoding() != null)
                     {
                        String sEncoding = m_channel.getEncoding();
                        Reader ireader = new BufferedReader(new InputStreamReader(
                           UTF8BOMIgnoreInputStream.wrap(bufStream, sEncoding), sEncoding));


                        body = new ReaderInput(ireader);
                     }
                     else
                     {
                        body = new StreamInput(bufStream);
                     }


                     // Is this channel bound to a service
                     // AND a message queue?
                     if (m_channel.getQueue() != null
                           && isBound(m_channel, context))
                     {
                        // Read from the input stream and pass the actual
                        // data to the application
                        Input input = (Input)body;


                        if (m_channel.getEncoding() != null)
                        {
                           body = input.getString();
                        }
                        else
                        {
                           body = input.getBinary();
                        }
                     }


                     if (m_channel.getQueue() != null)
                     {
                        TransferObject msgObj = new TransferObject("MessageQueue", 1);


                        msgObj.setValue(TCPSender.BODY, body);
                        context.getUnitOfWork().addMessage(m_channel.getQueue(), msgObj);
                     }


                     if (isBound(m_channel, context))
                     {

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    * @return The converted message.
    * @throws JMSException if an error occurs.
    */
   public TransferObject createMessage(Message message) throws JMSException
   {
      TransferObject tobj = new TransferObject();


      tobj.setClassName("MessageQueue");
      tobj.setValue(JMSSender.CHANNEL, m_channel.getName());
      setJMSProperties(tobj, message);


      if (message instanceof TextMessage)
      {
         tobj.setValue(JMSSender.BODY, ((TextMessage)message).getText());
      }
      else if (message instanceof ObjectMessage)
      {
         tobj.setValue(JMSSender.BODY, ((ObjectMessage)message).getObject());
      }
      else if (message instanceof BytesMessage)
      {
         BytesMessage msg = (BytesMessage)message;


         byte[] buf = new byte[2048];
         byte[] data = null;
         int nCount = 0;
         int nRead;


         do
         {
            nRead = msg.readBytes(buf);


            if (nRead > 0)
            {
               if (data == null)
               {
                  nCount = nRead;
                  data = buf;
                  buf = new byte[2048];
               }
               else
               {
                  if (data.length - nCount < nRead)
                  {
                     byte[] tmp = new byte[data.length << 1];
   
                     System.arraycopy(data, 0, tmp, 0, nCount);
                     data = tmp;
                  }


                  System.arraycopy(buf, 0, data, nCount, nRead);
                  nCount += nRead;
               }
            }
         }
         while (nRead == buf.length);


         buf = new byte[nCount];


         if (nCount > 0)
         {
            System.arraycopy(data, 0, buf, 0, nCount);
         }


         tobj.setValue(JMSSender.BODY, new Binary(buf));
      }
      else if (message instanceof MapMessage)
      {
         MapMessage msg = (MapMessage)message;
         TransferObject map = new TransferObject();
         
         for (Enumeration e = msg.getMapNames(); e.hasMoreElements();)
         {
            String sName = (String)e.nextElement();
            map.setValue(sName, convert(msg.getObject(sName)));
         }


         tobj.setValue(JMSSender.BODY, map);
      }
      else if (message instanceof StreamMessage)

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      tobj.setValue(MESSAGE_ID, message.getJMSMessageID());
      tobj.setValue(JMSSender.PERSISTENT, Boolean.valueOf(message.getJMSDeliveryMode() == DeliveryMode.PERSISTENT));
      tobj.setValue(JMSSender.PRIORITY, Primitive.createInteger(message.getJMSPriority()));


      TransferObject properties = getProperties(message);


      if (properties != null)
      {
         tobj.setValue(JMSSender.PROPERTIES, properties);
      }

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      if (!e.hasMoreElements())
      {
         return null;
      }


      TransferObject properties = new TransferObject();


      while (e.hasMoreElements())
      {
         String sName = (String)e.nextElement();
         
         properties.setValue(sName, convert(message.getObjectProperty(sName)));
      }


      return properties;
   }

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                  }
               }


               if (m_channel.getQueue() != null)
               {
                  TransferObject tobj = new TransferObject(1);


                  tobj.setClassName("MessageQueue");
                  tobj.setValue(UDPSender.BODY, body);
                  context.getUnitOfWork().addMessage(m_channel.getQueue(), tobj);
               }


               if (isBound(m_channel, context))
               {
                  TransferObject tobj = new TransferObject(3);
                  InetSocketAddress iaddr = (InetSocketAddress)address;


                  tobj.setClassName("UDP");
                  tobj.setValue(UDPSender.HOST, iaddr.getAddress().getHostAddress());
                  tobj.setValue(UDPSender.PORT, Primitive.createInteger(iaddr.getPort()));
                  tobj.setValue(UDPSender.BODY, body);


                  receive(tobj, m_channel, context);
               }
            }
         }

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                  )
               );
            
            if (isBound(m_channel, context))
            {
               TransferObject tobj = new TransferObject(2);


               tobj.setClassName("File");
               tobj.setValue(FileSender.FILE, message.getOriginalName());


               BufferedInputStream bufStream = new BufferedInputStream(message.getInputStream());


               //Decode channel data
               if (m_channel.getEncoding() != null)
               {
                  Reader ireader;
                  String sEncoding = m_channel.getEncoding().toLowerCase(Locale.ENGLISH);


                  ireader = new BufferedReader(new InputStreamReader(UTF8BOMIgnoreInputStream.wrap(bufStream, sEncoding), m_channel.getEncoding()));
                  
                  tobj.setValue(Sender.BODY, new ReaderInput(ireader));
               }
               else
               {
                  tobj.setValue(Sender.BODY, new StreamInput(bufStream));
               }
               
               receive(tobj, m_channel, context);
            }
         }

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