Examples of org.objectweb.joram.mom.messages.Message

Package org.objectweb.joram.mom.messages

Examples of org.objectweb.joram.mom.messages.Message

org.objectweb.joram.mom.messages.Message
The Message class actually provides the transport facility for the data exchanged during MOM operations.
A message content is always wrapped as a bytes array, it is characterized by properties and "header" fields.

    // If the notification is not a delivery, doing nothing. 
    if (! (not instanceof QueueMsgReply))
      return;


    String msgId;
    Message message;
    AgentId consId;
    DMQManager dmqManager = null;
    for (Iterator entries = deliveredMsgs.entrySet().iterator(); entries.hasNext();) {
      Map.Entry entry = (Map.Entry) entries.next();


      msgId = (String) entry.getKey();
      message = (Message) entry.getValue();


      consId = (AgentId) consumers.get(msgId);
      // Delivered message has been delivered to the deleted client:
      // denying it.
      if (consId.equals(client)) {
        entries.remove();
        message.setRedelivered();


        // state change, so save.
        setSave();
        consumers.remove(msgId);
        contexts.remove(msgId);


        // If message considered as undeliverable, adding it to the
        // list of dead messages:
        if (isUndeliverable(message)) {
          message.delete();
          if (dmqManager == null)
            dmqManager = new DMQManager(dmqId, getId());
          nbMsgsSentToDMQSinceCreation++;
          dmqManager.addDeadMessage(message.getFullMessage(), MessageErrorConstants.UNDELIVERABLE);
        } else {
          // Else, putting it back into the deliverables list:
          storeMessageHeader(message);
        }


        if (logger.isLoggable(BasicLevel.WARN))
          logger.log(BasicLevel.WARN,
                     "Message " + message.getIdentifier() + " denied.");
      }
    }
    // Sending dead messages to the DMQ, if needed:
    if (dmqManager != null)
      dmqManager.sendToDMQ();

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                   "Requester " + rec.requester + " notified of the queue deletion.");
      forward(rec.requester, excRep);
    }
    // Sending the remaining messages to the DMQ, if needed:
    if (! messages.isEmpty()) {
      Message message;
      DMQManager dmqManager = new DMQManager(dmqId, getId());
      while (! messages.isEmpty()) {
        message = (Message) messages.remove(0);
        message.delete();
        nbMsgsSentToDMQSinceCreation++;
        dmqManager.addDeadMessage(message.getFullMessage(), MessageErrorConstants.DELETED_DEST);
      }
      dmqManager.sendToDMQ();
    }


    // Deleting the messages:

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        messages.add(i, message);
      }
    } else {
      // Non constant priorities: inserting the message according to its 
      // priority.
      Message currentMsg;
      int currentP;
      long currentO;
      int i = 0;
      for (Iterator ite = messages.iterator(); ite.hasNext();) {
        currentMsg = (Message) ite.next();
        currentP = currentMsg.getPriority();
        currentO = currentMsg.order;


        if (! receiving && currentP == message.getPriority()) {
          // Message denied or recovered, priorities are equal: inserting the
          // message according to its original arrival order.

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    ClientMessages cm = null ;
    List lsMessages = getMessages(nb, selector, remove);
    if (lsMessages.size() > 0) {
      cm = new ClientMessages();
    }
    Message message = null;
    Iterator itMessages = lsMessages.iterator();
    while (itMessages.hasNext()) {
      message = (Message) itMessages.next();
      cm.addMessage(message.getFullMessage());
    }
    return cm;
  }

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  private List getMessages(int nb, String selector, boolean remove) {   
    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "Queue.getMessages(" + nb + ',' + selector + ',' + remove + ')');


    List lsMessages = new ArrayList();
    Message message;
    int j = 0;
    // Checking the deliverable messages:
    while ((lsMessages.size() < nb || nb == -1) &&  j < messages.size()) {
      message = (Message) messages.get(j);


      // If selector matches, sending the message:
      if (Selector.matches(message.getHeaderMessage(), selector) &&
          checkDelivery(message.getHeaderMessage())) {
        message.incDeliveryCount();
        nbMsgsDeliverSinceCreation++;


        // use in sub class see ClusterQueue
        messageDelivered(message.getIdentifier());


        if (logger.isLoggable(BasicLevel.DEBUG))
          logger.log(BasicLevel.DEBUG, "Message " + message.getIdentifier());


        lsMessages.add(message);


        if (remove) {
          messages.remove(message);
          message.delete();
        } else {
          // message not remove: going on.
          j++;
        }

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    }
    return lsMessages;
  }


  private Message getMomMessage(String msgId) {
    Message msg = null;
    for (Iterator ite = messages.iterator(); ite.hasNext();) {
      msg = (Message) ite.next();
      if (msgId.equals(msg.getIdentifier()))
        return msg;
    }
    return msg;
  }

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   */
  protected Message getQueueMessage(String msgId, boolean remove) {
    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "Queue.getMessage(" + msgId + ',' + remove + ')');


    Message message =  getMomMessage(msgId);
    if (checkDelivery(message.getHeaderMessage())) {
    message.incDeliveryCount();
    nbMsgsDeliverSinceCreation++;


      // use in sub class see ClusterQueue
      messageDelivered(message.getIdentifier());


    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "Message " + msgId);


    if (remove) {
      messages.remove(message);
      message.delete();
    }
    }
    return message;
  }

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   * @return the description of the message.
   * 
   * @see org.objectweb.joram.mom.messages.MessageJMXWrapper
   */
  public CompositeData getMessage(String msgId) throws Exception {
    Message msg = getQueueMessage(msgId, false);
    if (msg == null) return null;
    
    return MessageJMXWrapper.createCompositeDataSupport(msg);
  }

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  protected void deliverMessages(int index) {
    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "Queue.deliverMessages(" + index + ')');


    ReceiveRequest notRec = null;
    Message message;
    QueueMsgReply notMsg;
    List lsMessages = null;


    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, " -> requests = " + requests + ')');


    long current = System.currentTimeMillis();
    cleanWaitingRequest(current);
    // Cleaning the possibly expired messages.
    DMQManager dmqManager = cleanPendingMessage(current);


    // Processing each request as long as there are deliverable messages:
    while (! messages.isEmpty() && index < requests.size()) {
      notRec = (ReceiveRequest) requests.get(index);
      notMsg = new QueueMsgReply(notRec);


      lsMessages = getMessages(notRec.getMessageCount(), notRec.getSelector(), notRec.getAutoAck());


      if (logger.isLoggable(BasicLevel.DEBUG))
        logger.log(BasicLevel.DEBUG, "Queue.deliverMessages: notRec.getAutoAck() = " + notRec.getAutoAck()
            + ", lsMessages = " + lsMessages);


      Iterator itMessages = lsMessages.iterator();
      while (itMessages.hasNext()) {
        message = (Message) itMessages.next();
        notMsg.addMessage(message.getFullMessage());
        if (!notRec.getAutoAck()) {
          // putting the message in the delivered messages table:
          consumers.put(message.getIdentifier(), notRec.requester);
          contexts.put(message.getIdentifier(),
                       new Integer(notRec.getClientContext()));
          deliveredMsgs.put(message.getIdentifier(), message);
          messages.remove(message);
        }
        if (logger.isLoggable(BasicLevel.DEBUG))
          logger.log(BasicLevel.DEBUG,
                     "Message " + message.getIdentifier() + " to " + notRec.requester +
                     " as reply to " + notRec.getRequestId());
      }


      if (isLocal(notRec.requester)) {
        notMsg.setPersistent(false);

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  public void addClientMessages(ClientMessages clientMsgs) {
    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "Queue.storeClientMessage(" + clientMsgs + ')');
    
    if (clientMsgs != null) {
      Message msg;
      // Storing each received message:
      for (Iterator msgs = clientMsgs.getMessages().iterator(); msgs.hasNext();) {
        msg = new Message((org.objectweb.joram.shared.messages.Message) msgs.next());
        msg.order = arrivalsCounter++;
        
        if (interceptorsAvailable()) {
          // get the shared message
          org.objectweb.joram.shared.messages.Message message = msg.getFullMessage();
          // set the destination name
          message.setProperty("JoramDestinationName", getName());
          // interceptors process
          org.objectweb.joram.shared.messages.Message m = processInterceptors(message);
          if (m == null) {
            // send message to the DMQ
            DMQManager dmqManager = new DMQManager(dmqId, getId());
            nbMsgsSentToDMQSinceCreation++;
            dmqManager.addDeadMessage(msg.getFullMessage(), MessageErrorConstants.INTERCEPTORS);
            dmqManager.sendToDMQ();
            msg.releaseFullMessage();
            continue;
          } else {
            msg = new org.objectweb.joram.mom.messages.Message(m);
          }
        }

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