Examples of org.objectweb.joram.mom.notifications.ReceiveRequest

Package org.objectweb.joram.mom.notifications

Examples of org.objectweb.joram.mom.notifications.ReceiveRequest

org.objectweb.joram.mom.notifications.ReceiveRequest
A ReceiveRequest instance is used by a client agent for requesting a message on a queue.

  }


  protected void abortReceiveRequest(AgentId from,
                                  AbortReceiveRequest not) {
    for (int i = 0; i < requests.size(); i++) {
      ReceiveRequest request = (ReceiveRequest) requests.get(i);
      if (request.requester.equals(from) &&
          request.getClientContext() == not.getClientContext() &&
          request.getRequestId() == not.getAbortedRequestId()) {
        if (not.isPersistent()) {
          // state change, so save.
          setSave();
        }
        requests.remove(i);

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   */
  protected void doRightRequest(AgentId user, int right) {
    // If the request does not unset a reader, doing nothing.
    if (right != -READ) return;


    ReceiveRequest request;


    if (user == null) {
      // Free reading right has been removed, reject the non readers requests.
      for (int i = 0; i < requests.size(); i++) {
        request = (ReceiveRequest) requests.get(i);

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   * and the remaining messages are sent to the DMQ and deleted.
   */
  protected void doDeleteNot(DeleteNot not) {
    // Building the exception to send to the pending receivers:
    DestinationException exc = new DestinationException("Queue " + getId() + " is deleted.");
    ReceiveRequest rec;
    ExceptionReply excRep;
    // Sending it to the pending receivers:
    cleanWaitingRequest(System.currentTimeMillis());
    for (int i = 0; i < requests.size(); i++) {
      rec = (ReceiveRequest) requests.get(i);

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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);
      }


      if (notMsg.isPersistent() && !notRec.getAutoAck()) {
        // state change, so save.
        setSave();
      }


      // Next request:

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   * 
   * @throws RequestException Undefined (null) destination
   */
  private void reactToClientRequest(int key, ConsumerReceiveRequest req) throws RequestException {    
    if (req.getQueueMode()) {
      ReceiveRequest not = new ReceiveRequest(key, req.getRequestId(), req.getSelector(),
          req.getTimeToLive(), req.getReceiveAck(), null, 1);
      AgentId destId = AgentId.fromString(req.getTarget());
      if (destId == null)
        throw new RequestException("Request to an undefined destination (null).");


      if (destId.getTo() == getId().getTo()) {
        if (logger.isLoggable(BasicLevel.DEBUG))
          logger.log(BasicLevel.DEBUG, " -> local receiving");
        not.setPersistent(false);
        sendNot(destId, not);
      } else {
        sendNot(destId, not);
      }
    } else {

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   */
  private void reactToClientRequest(int key, ConsumerSetListRequest req) throws RequestException {
    if (logger.isLoggable(BasicLevel.DEBUG))
      logger.log(BasicLevel.DEBUG, "ProxyImp.reactToClientRequest(" + key + ',' + req + ')');
    if (req.getQueueMode()) {
      ReceiveRequest not = new ReceiveRequest(key,
                                              req.getRequestId(),
                                              req.getSelector(),
                                              0,
                                              false,
                                              req.getMessageIdsToAck(),
                                              req.getMessageCount());    
      AgentId destId = AgentId.fromString(req.getTarget());
      if (destId == null)
        throw new RequestException("Request to an undefined destination (null).");


      if (destId.getTo() == getId().getTo()) {
        if (logger.isLoggable(BasicLevel.DEBUG))
          logger.log(BasicLevel.DEBUG, " -> local sending");
        not.setPersistent(false);
        sendNot(destId, not);
      } else {
        sendNot(destId, not);
      }
    }

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Related Classes of org.objectweb.joram.mom.notifications.ReceiveRequest

org.objectweb.joram.mom.dest.Queue

org.objectweb.joram.mom.proxies.UserAgent

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