Package org.codehaus.activemq.service

Examples of org.codehaus.activemq.service.MessageIdentity

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      public void execute() throws Throwable {
       
        // Checkpoint the added messages.
        Iterator iterator = addedMessageIdentitys.iterator();
        while (iterator.hasNext()) {         
          MessageIdentity identity = (MessageIdentity) iterator.next();
         
          ActiveMQMessage msg = getCacheMessage(identity);
          longTermStore.addMessage(msg);
          synchronized(this) {
            RecordLocation location = (RecordLocation)addedMessageLocations.remove(identity);
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    public synchronized void recoverSubscription(Subscription subscription, MessageIdentity lastDispatchedMessage) throws JMSException {
        //iterate through the message table and populate the subscriber
        Map map = new HashMap(messageTable);
        boolean alreadyAcked = true;
        MessageIdentity lastAcked = (MessageIdentity)ackDatabase.get(subscription.getPersistentKey());
        for (Iterator i = map.values().iterator(); i.hasNext(); ){
            ActiveMQMessage msg = (ActiveMQMessage)i.next();
            if (lastAcked == null || !alreadyAcked){
                subscription.addMessage(container, msg);
            }
            if (lastAcked != null){
                if (lastAcked.getMessageID().equals(msg.getJMSMessageID())){
                    alreadyAcked = false;
                }
            }
        }
    }
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    public String getDestinationName() {
        return destinationName;
    }

    public MessageIdentity addMessage(ActiveMQMessage message) throws JMSException {
        MessageIdentity answer = messageStore.addMessage(message);
        synchronized( this ) {
          messagesToBeDelivered.add(answer);
        }
        return answer;
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    public synchronized void delete(MessageIdentity messageID, MessageAck ack) throws JMSException {
       
        // lets find the cached identity as it has the sequence number
        // attached to it
      MessageIdentity storedIdentity=null;

      synchronized( this ) {
          QueueListEntry entry = deliveredMessages.getFirstEntry();
          while (entry != null) {
              MessageIdentity identity = (MessageIdentity) entry.getElement();
              if (messageID.equals(identity)) {
                  deliveredMessages.remove(entry);
                  storedIdentity=identity;
                  break;
              }
              entry = deliveredMessages.getNextEntry(entry);
          }
         
          if (storedIdentity==null) {
              // maybe the messages have not been delivered yet
              // as we are recovering from a previous transaction log
              entry = messagesToBeDelivered.getFirstEntry();
              while (entry != null) {
                  MessageIdentity identity = (MessageIdentity) entry.getElement();
                  if (messageID.equals(identity)) {
                      messagesToBeDelivered.remove(entry);
                      storedIdentity=identity;
                      break;
                  }
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    public void unregisterMessageInterest(MessageIdentity messageIdentity, MessageAck ack) {
    }

    public ActiveMQMessage poll() throws JMSException {
        ActiveMQMessage message = null;
        MessageIdentity messageIdentity=null;
      synchronized( this ) {
          messageIdentity = (MessageIdentity) messagesToBeDelivered.removeFirst();
          if (messageIdentity != null) {
              deliveredMessages.add(messageIdentity);
          }
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        return message;
    }

    public ActiveMQMessage peekNext(MessageIdentity messageID) throws JMSException {
      ActiveMQMessage answer = null;
      MessageIdentity identity = null;
      synchronized( this ) {
            if (messageID == null) {
              identity = (MessageIdentity) messagesToBeDelivered.getFirst();
            }
            else {
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     * @throws javax.jms.JMSException
     */
    public synchronized void reset() throws JMSException {
        //new Message Consumer - move all filtered/undispatched messages to front of queue
        int count = 0;
        MessageIdentity messageIdentity = (MessageIdentity) deliveredMessages.removeFirst();
        while (messageIdentity != null) {
            messagesToBeDelivered.add(count++, messageIdentity);
            messageIdentity = (MessageIdentity) deliveredMessages.removeFirst();
        }
    }
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    public String getDestinationName() {
        return destinationName;
    }

    public MessageIdentity addMessage(ActiveMQMessage message) throws JMSException {
        MessageIdentity answer = messageStore.addMessage(message);
        lastMessageIdentity = answer;
        return answer;
    }
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    /**
     * @see org.codehaus.activemq.store.TopicMessageStore#getLastestMessageIdentity()
     */
    public MessageIdentity getLastestMessageIdentity() throws JMSException {
        return new MessageIdentity(null, new Long(sequenceGenerator.getLastSequenceId()));
    }
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        Connection c = null;
        try {
            c = persistenceAdapter.getConnection();
            adapter.doRecoverSubscription(c, destinationName, subscription.getPersistentKey(), new MessageListResultHandler() {
                public void onMessage(long seq, String messageID) throws JMSException {
                    MessageIdentity messageIdentity = new MessageIdentity(messageID, new Long(seq));
                    ActiveMQMessage message = getMessage(messageIdentity);
                    subscription.addMessage(container, message);
                }
            });
        }
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Related Classes of org.codehaus.activemq.service.MessageIdentity

  • org.codehaus.activemq.message.ActiveMQMessage
  • org.codehaus.activemq.message.MessageAck
  • org.codehaus.activemq.service.impl.DurableQueueMessageContainer
  • org.codehaus.activemq.service.impl.DurableTopicMessageContainer
  • org.codehaus.activemq.store.bdb.BDbMessageStore
  • org.codehaus.activemq.store.bdb.BDbTopicMessageStore
  • org.codehaus.activemq.store.bdbn.BDbMessageStore
  • org.codehaus.activemq.store.cache.CacheMessageStore
  • org.codehaus.activemq.store.jdbc.JDBCMessageStore
  • org.codehaus.activemq.store.jdbc.JDBCTopicMessageStore
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