@Override public int countMessagesForSubscription( final String clientID, final String subscriptionName, final String filterStr) throws Exception { String queueName = ActiveMQDestination.createQueueNameForDurableSubscription(true, clientID, subscriptionName); QueueControl coreQueueControl = (QueueControl) managementService.getResource(ResourceNames.CORE_QUEUE + queueName); if (coreQueueControl == null) { throw new IllegalArgumentException( "No subscriptions with name " + queueName + " for clientID " + clientID); } String filter = JMSTopicControlImpl.createFilterFromJMSSelector(filterStr); return coreQueueControl.listMessages(filter).length; }
@Override public void dropDurableSubscription(final String clientID, final String subscriptionName) throws Exception { String queueName = ActiveMQDestination.createQueueNameForDurableSubscription(true, clientID, subscriptionName); QueueControl coreQueueControl = (QueueControl) managementService.getResource(ResourceNames.CORE_QUEUE + queueName); if (coreQueueControl == null) { throw new IllegalArgumentException( "No subscriptions with name " + queueName + " for clientID " + clientID); } ActiveMQServerControl serverControl = (ActiveMQServerControl) managementService.getResource(ResourceNames.CORE_SERVER); serverControl.destroyQueue(queueName); }
public void init() throws Exception { AMQServerSession coreSession = session.getCoreSession(); SimpleString selector = info.getSelector() == null ? null : new SimpleString(info.getSelector()); nativeId = session.getCoreServer().getStorageManager().generateID(); SimpleString address = new SimpleString(this.actualDest.getPhysicalName()); if (this.actualDest.isTopic()) { String physicalName = this.actualDest.getPhysicalName(); if (physicalName.contains(".>")) { // wildcard physicalName = OpenWireUtil.convertWildcard(physicalName); } // on recreate we don't need to create queues address = new SimpleString("jms.topic." + physicalName); if (info.isDurable()) { subQueueName = new SimpleString( ActiveMQDestination.createQueueNameForDurableSubscription( true, info.getClientId(), info.getSubscriptionName())); QueueQueryResult result = coreSession.executeQueueQuery(subQueueName); if (result.isExists()) { // Already exists if (result.getConsumerCount() > 0) { throw new IllegalStateException( "Cannot create a subscriber on the durable subscription since it already has subscriber(s)"); } SimpleString oldFilterString = result.getFilterString(); boolean selectorChanged = selector == null && oldFilterString != null || oldFilterString == null && selector != null || oldFilterString != null && selector != null && !oldFilterString.equals(selector); SimpleString oldTopicName = result.getAddress(); boolean topicChanged = !oldTopicName.equals(address); if (selectorChanged || topicChanged) { // Delete the old durable sub coreSession.deleteQueue(subQueueName); // Create the new one coreSession.createQueue(address, subQueueName, selector, false, true); } } else { coreSession.createQueue(address, subQueueName, selector, false, true); } } else { subQueueName = new SimpleString(UUID.randomUUID().toString()); coreSession.createQueue(address, subQueueName, selector, true, false); } coreSession.createConsumer(nativeId, subQueueName, null, info.isBrowser(), false, -1); } else { SimpleString queueName = new SimpleString("jms.queue." + this.actualDest.getPhysicalName()); coreSession.createConsumer(nativeId, queueName, selector, info.isBrowser(), false, -1); } if (info.isBrowser()) { AMQServerConsumer coreConsumer = coreSession.getConsumer(nativeId); coreConsumer.setBrowserListener(this); } }