Package org.apache.activemq.command

Examples of org.apache.activemq.command.MessageAck

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                            .newInput()));
                    messageList.add(msg);
                } else {
                    RemoveOpperation rmOp = (RemoveOpperation) op;
                    Buffer ackb = rmOp.getCommand().getAck();
                    MessageAck ack = (MessageAck) wireFormat.unmarshal(new DataInputStream(ackb.newInput()));
                    ackList.add(ack);
                }
            }

            Message[] addedMessages = new Message[messageList.size()];
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            }
            return rc;
        }

        public MessageAck[] getAcks() {
            MessageAck rc[] = new MessageAck[acks.size()];
            int count = 0;
            for (Iterator<RemoveMessageCommand> iter = acks.iterator(); iter.hasNext();) {
                RemoveMessageCommand cmd = iter.next();
                rc[count++] = cmd.getMessageAck();
            }
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                            AddOpperation addOp = (AddOpperation)op;
                            Message msg = (Message)wireFormat.unmarshal( new DataInputStream(addOp.getCommand().getMessage().newInput()) );
                            messageList.add(msg);
                        } else {
                            RemoveOpperation rmOp = (RemoveOpperation)op;
                            MessageAck ack = (MessageAck)wireFormat.unmarshal( new DataInputStream(rmOp.getCommand().getAck().newInput()) );
                            ackList.add(ack);
                        }
                    }
                   
                    Message[] addedMessages = new Message[messageList.size()];
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                // Checkpoint the removed messages.
                Iterator<MessageAck> iterator = cpRemovedMessageLocations.iterator();
                while (iterator.hasNext()) {
                    try {
                        MessageAck ack = iterator.next();
                        longTermStore.removeMessage(transactionTemplate.getContext(), ack);
                    } catch (Throwable e) {
                        LOG.debug("Message could not be removed from long term store: " + e.getMessage(), e);
                    }
                }
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            }
            return rc;
        }

        public MessageAck[] getAcks() {
            MessageAck rc[] = new MessageAck[acks.size()];
            int count = 0;
            for (Iterator<RemoveMessageCommand> iter = acks.iterator(); iter.hasNext();) {
                RemoveMessageCommand cmd = iter.next();
                rc[count++] = cmd.getMessageAck();
            }
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                    // will preserve that QOS
                    // by bridging it using an async send (small chance of
                    // message loss).
                    remoteBroker.oneway(message);
                    dequeueCounter.incrementAndGet();
                    localBroker.oneway(new MessageAck(md, MessageAck.STANDARD_ACK_TYPE, 1));

                } else {

                    // The message was not sent using async send, so we should
                    // only ack the local
                    // broker when we get confirmation that the remote broker
                    // has received the message.
                    ResponseCallback callback = new ResponseCallback() {
                        public void onCompletion(FutureResponse future) {
                            try {
                                Response response = future.getResult();
                                if (response.isException()) {
                                    ExceptionResponse er = (ExceptionResponse)response;
                                    serviceLocalException(er.getException());
                                } else {
                                    dequeueCounter.incrementAndGet();
                                    localBroker.oneway(new MessageAck(md, MessageAck.STANDARD_ACK_TYPE, 1));
                                }
                            } catch (IOException e) {
                                serviceLocalException(e);
                            }
                        }
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        for(int i=0; i < MESSAGE_COUNT/2; i++) {
            Message m = receiveMessage(connection);
            assertNotNull("Should have received message "+expected.get(0)+" by now!", m);
            assertEquals(expected.remove(0), m.getMessageId().toString());
            MessageAck ack = createAck(consumerInfo, m, 1, MessageAck.STANDARD_ACK_TYPE);
            connection.send(ack);
        }
       
        connection.request(closeConnectionInfo(connectionInfo));
       
        // restart the broker.
        restartBroker();

        // Setup the consumer and receive the message.
        connection = createConnection();
        connectionInfo = createConnectionInfo();
        sessionInfo = createSessionInfo(connectionInfo);
        connection.send(connectionInfo);
        connection.send(sessionInfo);
        consumerInfo = createConsumerInfo(sessionInfo, destination);
        connection.send(consumerInfo);

        for(int i=0; i < MESSAGE_COUNT/2; i++) {
            Message m = receiveMessage(connection);
            assertNotNull("Should have received message "+expected.get(i)+" by now!", m);
            assertEquals(expected.get(i), m.getMessageId().toString());
            MessageAck ack = createAck(consumerInfo, m, 1, MessageAck.STANDARD_ACK_TYPE);
            connection.send(ack);
           
           
        }
       
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        }
        return message;
    }

    protected MessageAck createAck(ConsumerInfo consumerInfo, Message msg, int count, byte ackType) {
        MessageAck ack = new MessageAck();
        ack.setAckType(ackType);
        ack.setConsumerId(consumerInfo.getConsumerId());
        ack.setDestination(msg.getDestination());
        ack.setLastMessageId(msg.getMessageId());
        ack.setMessageCount(count);
        return ack;
    }
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            }
        }
    }

    void deliverAcks() {
        MessageAck ack = null;
        if (deliveryingAcknowledgements.compareAndSet(false, true)) {
            if (isAutoAcknowledgeEach()) {
                synchronized(deliveredMessages) {
                    ack = makeAckForAllDeliveredMessages(MessageAck.STANDARD_ACK_TYPE);
                    if (ack != null) {
                        deliveredMessages.clear();
                        ackCounter = 0;
                } else {
                    ack = pendingAck;
                    pendingAck = null;
                }
              }
            } else if (pendingAck != null && pendingAck.isStandardAck()) {
                ack = pendingAck;
                pendingAck = null;
            }
            if (ack != null) {
                final MessageAck ackToSend = ack;
               
                if (executorService == null) {
                    executorService = Executors.newSingleThreadExecutor();
                }
                executorService.submit(new Runnable() {
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                    synchronized (deliveredMessages) {
                        if (!deliveredMessages.isEmpty()) {
                            if (optimizeAcknowledge) {
                                ackCounter++;
                                if (ackCounter >= (info.getPrefetchSize() * .65) || System.currentTimeMillis() >= (optimizeAckTimestamp + optimizeAckTimeout)) {
                                  MessageAck ack = makeAckForAllDeliveredMessages(MessageAck.STANDARD_ACK_TYPE);
                                  if (ack != null) {
                                    deliveredMessages.clear();
                                    ackCounter = 0;
                                    session.sendAck(ack);
                                    optimizeAckTimestamp = System.currentTimeMillis();
                                  }
                                }
                            } else {
                                MessageAck ack = makeAckForAllDeliveredMessages(MessageAck.STANDARD_ACK_TYPE);
                                if (ack!=null) {
                                    deliveredMessages.clear();
                                    session.sendAck(ack);
                                }
                            }
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Related Classes of org.apache.activemq.command.MessageAck

  • org.apache.activemq.ActiveMQInputStream
  • org.apache.activemq.ActiveMQMessageConsumer
  • org.apache.activemq.ActiveMQSession
  • org.apache.activemq.AdvisoryConsumer
  • org.apache.activemq.broker.BrokerTest
  • org.apache.activemq.broker.BrokerTestSupport
  • org.apache.activemq.broker.RecoveryBrokerTest
  • org.apache.activemq.broker.region.BaseDestination
  • org.apache.activemq.broker.region.DurableTopicSubscription
  • org.apache.activemq.broker.region.Queue
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