Examples with MessageSelector com.swiftmq.ms.MessageSelector used on opensource projects

Example 1 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class HeapMemory method select.

@Override
public Memory select(String selector) throws Exception {
    MessageSelector sel = new MessageSelector(selector);
    sel.compile();
    Memory child = new HeapMemory(ctx);
    for (int i = 0; i < size(); i++) {
        Message message = at(i);
        if (message.isSelected(sel))
            child.add(message);
    }
    return child;
}

Example 2 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-client by iitsoftware.

the class SessionImpl method createBrowser.

public QueueBrowser createBrowser(Queue queue, String messageSelector) throws JMSException {
    verifyState();
    if (type == TYPE_TOPIC_SESSION)
        throw new IllegalStateException("Operation not allowed on this session type");
    if (queue == null)
        throw new InvalidDestinationException("createBrowser, queue is null!");
    QueueBrowserImpl queueBrowser = null;
    CreateBrowserReply reply = null;
    try {
        String ms = messageSelector;
        if (messageSelector != null && messageSelector.trim().length() == 0)
            ms = null;
        if (ms != null) {
            MessageSelector msel = new MessageSelector(ms);
            msel.compile();
        }
        reply = (CreateBrowserReply) requestRegistry.request(new CreateBrowserRequest(this, dispatchId, (QueueImpl) queue, ms));
    } catch (Exception e) {
        throw ExceptionConverter.convert(e);
    }
    if (reply.isOk()) {
        // create the browser
        queueBrowser = new QueueBrowserImpl(this, queue, messageSelector, dispatchId, reply.getQueueBrowserId(), requestRegistry);
        addQueueBrowserImpl(queueBrowser);
    } else {
        throw ExceptionConverter.convert(reply.getException());
    }
    return (queueBrowser);
}

Example 3 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class HeuristicHandler method removeHeuristic.

private void removeHeuristic(String id) throws Exception {
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.xaSwiftlet.getName(), toString() + "/removeHeuristic, id=" + id);
    MessageSelector selector = new MessageSelector(PROP_SID + " = '" + id + "'");
    selector.compile();
    QueueReceiver receiver = ctx.queueManager.createQueueReceiver(HEURISTIC_QUEUE, null, selector);
    QueuePullTransaction t = receiver.createTransaction(false);
    MessageEntry entry = t.getMessage(0, selector);
    t.commit();
    receiver.close();
    if (entry == null)
        throw new Exception("Heuristic with ID '" + id + "' not found!");
}

Example 4 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class MessageSenderJob method getMessage.

private MessageImpl getMessage() throws Exception {
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.schedulerSwiftlet.getName(), toString() + "/getMessage ...");
    MessageSelector selector = new MessageSelector(ctx.PROP_SCHED_ID + " = '" + id + "'");
    selector.compile();
    QueueReceiver receiver = ctx.queueManager.createQueueReceiver(ctx.INTERNAL_QUEUE, null, selector);
    QueuePullTransaction t = receiver.createTransaction(false);
    MessageEntry entry = t.getMessage(0, selector);
    t.rollback();
    receiver.close();
    if (entry == null)
        throw new Exception("Schedule with ID '" + id + "' not found!");
    MessageImpl msg = copyMessage(entry.getMessage());
    if (ctx.traceSpace.enabled)
        ctx.traceSpace.trace(ctx.schedulerSwiftlet.getName(), toString() + "/getMessage done");
    return msg;
}

Example 5 with MessageSelector

use of com.swiftmq.ms.MessageSelector in project swiftmq-ce by iitsoftware.

the class SourceLink method verifyLocalAddress.

public void verifyLocalAddress() throws AuthenticationException, QueueException, TopicException, InvalidSelectorException {
    if (!dynamic) {
        // This is for the case of reconnecting to a Durable Subscriber without specifying a Source in the attach frame.
        if (localAddress == null) {
            String topicName = ctx.topicManager.getDurableTopicName(getName(), mySessionHandler.getVersionedConnection().getActiveLogin());
            if (topicName != null)
                localAddress = new AddressString(topicName);
            durability = TerminusDurability.CONFIGURATION;
        }
        super.verifyLocalAddress();
    }
    if (receiver == null) {
        MessageSelector msel = null;
        if (messageSelector != null) {
            msel = new MessageSelector(messageSelector);
            msel.compile();
        }
        if (dynamic) {
            expiryPolicy = TerminusExpiryPolicy.LINK_DETACH;
            durability = TerminusDurability.NONE;
            // sndSettleMode = SenderSettleMode.SETTLED.getValue();       // SETTLED is only possible with temp queues because bulk mode in message proc do not delete from persistent store
            queueName = ctx.queueManager.createTemporaryQueue();
            receiver = ctx.queueManager.createQueueReceiver(queueName, mySessionHandler.getVersionedConnection().getActiveLogin(), msel);
        } else {
            if (isQueue) {
                expiryPolicy = TerminusExpiryPolicy.LINK_DETACH;
                durability = TerminusDurability.CONFIGURATION;
                // sndSettleMode = SenderSettleMode.UNSETTLED.getValue();
                receiver = ctx.queueManager.createQueueReceiver(getLocalAddress().getValueString(), mySessionHandler.getVersionedConnection().getActiveLogin(), msel);
            } else {
                if (durability.getValue() == TerminusDurability.CONFIGURATION.getValue() || durability.getValue() == TerminusDurability.UNSETTLED_STATE.getValue()) {
                    if (!expiryPolicy.getValue().equals(TerminusExpiryPolicy.LINK_DETACH.getValue()))
                        expiryPolicy = TerminusExpiryPolicy.NEVER;
                    durability = TerminusDurability.CONFIGURATION;
                    // sndSettleMode = SenderSettleMode.UNSETTLED.getValue();
                    queueName = ctx.topicManager.subscribeDurable(name, (TopicImpl) getLocalDestination(), msel, noLocal, mySessionHandler.getVersionedConnection().getActiveLogin());
                } else {
                    expiryPolicy = TerminusExpiryPolicy.LINK_DETACH;
                    queueName = ctx.queueManager.createTemporaryQueue();
                    // sndSettleMode = SenderSettleMode.SETTLED.getValue(); // SETTLED is only possible with temp queues because bulk mode in message proc do not delete from persistent store
                    subscriberId = ctx.topicManager.subscribe((TopicImpl) localDestination, msel, noLocal, queueName, mySessionHandler.getVersionedConnection().getActiveLogin());
                }
                receiver = ctx.queueManager.createQueueReceiver(queueName, mySessionHandler.getVersionedConnection().getActiveLogin(), null);
            }
        }
    }
    if (remoteUnsettled != null) {
        final AbstractQueue aq = ctx.queueManager.getQueueForInternalUse(receiver.getQueueName());
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + "/recovery, abstractQueue=" + aq);
        DataByteArrayInputStream dbis = new DataByteArrayInputStream();
        for (Iterator iter = remoteUnsettled.entrySet().iterator(); iter.hasNext(); ) {
            Map.Entry entry = (Map.Entry) iter.next();
            AMQPBinary deliveryTag = (AMQPBinary) entry.getKey();
            DeliveryStateIF deliveryStateIF = null;
            try {
                deliveryStateIF = DeliveryStateFactory.create((AMQPList) entry.getValue());
            } catch (Exception e) {
                throw new QueueException("Unable to create delivery tag");
            }
            final MessageIndex messageIndex = new MessageIndex();
            dbis.setBuffer(deliveryTag.getValue());
            try {
                messageIndex.readContent(dbis);
            } catch (IOException e) {
                throw new QueueException("Unable to convert delivery tag into a message index");
            }
            if (ctx.traceSpace.enabled)
                ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + "/recovery, messageIndex=" + messageIndex + ", deliveryStateIF=" + deliveryStateIF);
            if (deliveryStateIF != null) {
                deliveryStateIF.accept(new DeliveryStateVisitorAdapter() {

                    public void visit(Accepted accepted) {
                        try {
                            if (aq != null) {
                                MessageIndex indexEntry = aq.getIndexEntry(messageIndex);
                                if (indexEntry != null) {
                                    aq.removeMessageByIndex(indexEntry);
                                    if (ctx.traceSpace.enabled)
                                        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + "/recovery, messageIndex=" + indexEntry + ", removed");
                                } else {
                                    if (ctx.traceSpace.enabled)
                                        ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + "/recovery, messageIndex=" + messageIndex + ", NOT FOUND!");
                                }
                            }
                        } catch (QueueException e) {
                            e.printStackTrace();
                            if (ctx.traceSpace.enabled)
                                ctx.traceSpace.trace(ctx.amqpSwiftlet.getName(), toString() + "/recovery, messageIndex=" + messageIndex + ", exception=" + e);
                        }
                    }
                });
            }
        }
    }
}