public LocalQueueBinding(
final SimpleString address, final Queue queue, final SimpleString nodeID) {
this.address = address;
this.queue = queue;
filter = queue.getFilter();
name = queue.getName();
clusterName = name.concat(nodeID);
}
public void run() {
HashMap<Queue, LinkedList<MessageReference>> refs =
new HashMap<Queue, LinkedList<MessageReference>>();
runnables.remove(deliveryTime);
final long now = System.currentTimeMillis();
if (now < deliveryTime) {
// Ohhhh... blame it on the OS
// on some OSes (so far Windows only) the precision of the scheduled executor could
// eventually give
// an executor call earlier than it was supposed...
// for that reason we will schedule it again so no messages are lost!
// we can't just assume deliveryTime here as we could deliver earlier than what we are
// supposed to
// this is basically a hack to work around an OS or JDK bug!
if (trace) {
ActiveMQServerLogger.LOGGER.trace(
"Scheduler is working around OS imprecisions on "
+ "timing and re-scheduling an executor. now="
+ now
+ " and deliveryTime="
+ deliveryTime);
}
ScheduledDeliveryHandlerImpl.this.scheduleDelivery(deliveryTime);
}
if (ScheduledDeliveryHandlerImpl.trace) {
ActiveMQServerLogger.LOGGER.trace(
"Is it "
+ System.currentTimeMillis()
+ " now and we are running deliveryTime = "
+ deliveryTime);
}
synchronized (scheduledReferences) {
Iterator<RefScheduled> iter = scheduledReferences.iterator();
while (iter.hasNext()) {
MessageReference reference = iter.next().getRef();
if (reference.getScheduledDeliveryTime() > now) {
// We will delivery as long as there are messages to be delivered
break;
}
iter.remove();
reference.setScheduledDeliveryTime(0);
LinkedList<MessageReference> references = refs.get(reference.getQueue());
if (references == null) {
references = new LinkedList<MessageReference>();
refs.put(reference.getQueue(), references);
}
if (ScheduledDeliveryHandlerImpl.trace) {
ActiveMQServerLogger.LOGGER.trace(
"sending message " + reference + " to delivery, deliveryTime = " + deliveryTime);
}
references.addFirst(reference);
}
if (ScheduledDeliveryHandlerImpl.trace) {
ActiveMQServerLogger.LOGGER.trace("Finished loop on deliveryTime = " + deliveryTime);
}
}
for (Map.Entry<Queue, LinkedList<MessageReference>> entry : refs.entrySet()) {
Queue queue = entry.getKey();
LinkedList<MessageReference> list = entry.getValue();
if (trace) {
ActiveMQServerLogger.LOGGER.trace(
"Delivering " + list.size() + " elements on list to queue " + queue);
}
queue.addHead(list);
}
// Just to speed up GC
refs.clear();
}
public boolean isHighAcceptPriority(final ServerMessage message) {
// It's a high accept priority if the queue has at least one matching consumer
return queue.hasMatchingConsumer(message);
}
public long getID() {
return queue.getID();
}
public void close() throws Exception {
queue.close();
}
public int consumerCount() {
return queue.getConsumerCount();
}
public void routeWithAck(ServerMessage message, RoutingContext context) throws Exception {
queue.routeWithAck(message, context);
}
public void route(final ServerMessage message, final RoutingContext context) throws Exception {
queue.route(message, context);
}
@Override
public void unproposed(SimpleString groupID) {
queue.unproposed(groupID);
}
@Override
public ServerConsumer createConsumer(
final long consumerID,
final SimpleString queueName,
final SimpleString filterString,
final boolean browseOnly,
final boolean supportLargeMessage,
final Integer credits)
throws Exception {
if (this.internal) {
// internal sessions doesn't check security
Binding binding = postOffice.getBinding(queueName);
if (binding == null || binding.getType() != BindingType.LOCAL_QUEUE) {
throw ActiveMQMessageBundle.BUNDLE.noSuchQueue(queueName);
}
Filter filter = FilterImpl.createFilter(filterString);
ServerConsumer consumer =
newConsumer(
consumerID,
this,
(QueueBinding) binding,
filter,
started,
browseOnly,
storageManager,
callback,
preAcknowledge,
strictUpdateDeliveryCount,
managementService,
supportLargeMessage,
credits);
consumers.put(consumer.getID(), consumer);
if (!browseOnly) {
TypedProperties props = new TypedProperties();
props.putSimpleStringProperty(ManagementHelper.HDR_ADDRESS, binding.getAddress());
props.putSimpleStringProperty(ManagementHelper.HDR_CLUSTER_NAME, binding.getClusterName());
props.putSimpleStringProperty(ManagementHelper.HDR_ROUTING_NAME, binding.getRoutingName());
props.putIntProperty(ManagementHelper.HDR_DISTANCE, binding.getDistance());
Queue theQueue = (Queue) binding.getBindable();
props.putIntProperty(ManagementHelper.HDR_CONSUMER_COUNT, theQueue.getConsumerCount());
// HORNETQ-946
props.putSimpleStringProperty(
ManagementHelper.HDR_USER, SimpleString.toSimpleString(username));
props.putSimpleStringProperty(
ManagementHelper.HDR_REMOTE_ADDRESS,
SimpleString.toSimpleString(this.remotingConnection.getRemoteAddress()));
props.putSimpleStringProperty(
ManagementHelper.HDR_SESSION_NAME, SimpleString.toSimpleString(name));
if (filterString != null) {
props.putSimpleStringProperty(ManagementHelper.HDR_FILTERSTRING, filterString);
}
Notification notification =
new Notification(null, CoreNotificationType.CONSUMER_CREATED, props);
if (ActiveMQServerLogger.LOGGER.isDebugEnabled()) {
ActiveMQServerLogger.LOGGER.debug(
"Session with user="******", connection="
+ this.remotingConnection
+ " created a consumer on queue "
+ queueName
+ ", filter = "
+ filterString);
}
managementService.sendNotification(notification);
}
return consumer;
} else {
return super.createConsumer(
consumerID, queueName, filterString, browseOnly, supportLargeMessage, credits);
}
}
