Package org.apache.activemq.command

Examples of org.apache.activemq.command.Message

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                    try {
                        MessageReference r = messages.next();
                        if (messageId.equals(r.getMessageId().toString())) {
                            r.incrementReferenceCount();
                            try {
                                Message m = r.getMessage();
                                if (m != null) {
                                    return m;
                                }
                            } finally {
                                r.decrementReferenceCount();
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            for (Iterator<MessageReference> i = pagedInMessages.iterator(); i.hasNext();) {
                MessageReference r = i.next();
                if (filter.evaluate(context, r)) {
                    r.incrementReferenceCount();
                    try {
                        Message m = r.getMessage();
                        BrokerSupport.resend(context, m, dest);
                        if (++counter >= maximumMessages && maximumMessages > 0) {
                            break;
                        }
                    } finally {
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                if (filter.evaluate(context, r)) {
                    // We should only move messages that can be locked.
                    if (lockMessage(r)) {
                        r.incrementReferenceCount();
                        try {
                            Message m = r.getMessage();
                            BrokerSupport.resend(context, m, dest);
                            removeMessage(context, r);
                            if (++counter >= maximumMessages && maximumMessages > 0) {
                                break;
                            }
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    }

    public synchronized void destroy() throws Exception {
        stop();
        for (Iterator<MessageReference> i = memoryList.iterator(); i.hasNext();) {
            Message node = (Message)i.next();
            node.decrementReferenceCount();
        }
        memoryList.clear();
        if (!isDiskListEmpty()) {
            getDiskList().clear();
        }
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            result.add(i.next());
            count++;
        }
        if (count < maxItems && !isDiskListEmpty()) {
            for (Iterator<MessageReference> i = getDiskList().iterator(); i.hasNext() && count < maxItems;) {
                Message message = (Message)i.next();
                message.setRegionDestination(regionDestination);
                message.setMemoryUsage(this.getSystemUsage().getMemoryUsage());
                message.incrementReferenceCount();
                result.add(message);
                count++;
            }
        }
        return result;
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            }
        }
    }

    protected synchronized boolean dispatch(final MessageReference node) throws IOException {
        final Message message = node.getMessage();
        if (message == null) {
            return false;
        }
               
        // Make sure we can dispatch a message.
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        while ((pos = journal.getNextRecordLocation(pos)) != null) {
            Packet data = journal.read(pos);
            DataStructure c = (DataStructure)wireFormat.unmarshal(toByteSequence(data));

            if (c instanceof Message) {
                Message message = (Message)c;
                JournalMessageStore store = (JournalMessageStore)createMessageStore(message.getDestination());
                if (message.isInTransaction()) {
                    transactionStore.addMessage(store, message, pos);
                } else {
                    store.replayAddMessage(context, message);
                    transactionCounter++;
                }
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    }

    public void replayAddMessage(ConnectionContext context, Message message) {
        try {
            // Only add the message if it has not already been added.
            Message t = longTermStore.getMessage(message.getMessageId());
            if (t == null) {
                longTermStore.addMessage(context, message);
            }
        } catch (Throwable e) {
            LOG.warn("Could not replay add for message '" + message.getMessageId() + "'.  Message may have already been added. reason: " + e);
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    final void removeMessage(final MessageAck ack, final RecordLocation location) {
        synchronized (this) {
            lastLocation = location;
            MessageId id = ack.getLastMessageId();
            Message message = messages.remove(id);
            if (message == null) {
                messageAcks.add(ack);
            } else {
                message.decrementReferenceCount();
            }
        }
    }
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    }

    public void replayRemoveMessage(ConnectionContext context, MessageAck messageAck) {
        try {
            // Only remove the message if it has not already been removed.
            Message t = longTermStore.getMessage(messageAck.getLastMessageId());
            if (t != null) {
                longTermStore.removeMessage(context, messageAck);
            }
        } catch (Throwable e) {
            LOG.warn("Could not replay acknowledge for message '" + messageAck.getLastMessageId() + "'.  Message may have already been acknowledged. reason: " + e);
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Related Classes of org.apache.activemq.command.Message

  • org.apache.activemq.ActiveMQConnection
  • org.apache.activemq.advisory.AdvisoryBroker
  • org.apache.activemq.broker.advisory.AdvisoryBrokerTest
  • org.apache.activemq.broker.BrokerBenchmark
  • org.apache.activemq.broker.BrokerTest
  • org.apache.activemq.broker.BrokerTestSupport
  • org.apache.activemq.broker.DoubleSubscriptionTest
  • org.apache.activemq.broker.ft.MasterBroker
  • org.apache.activemq.broker.jmx.DestinationView
  • org.apache.activemq.broker.jmx.QueueView
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