private void setupLogging() {
final String filterLogString = getFilterLogString();
getEventLogger()
.message(
this,
SubscriptionMessages.CREATE(
filterLogString, _queue.isDurable() && _exclusive, filterLogString.length() > 0));
}
@Override
public final void flush() {
AMQPConnection<?> connection = _target.getSessionModel().getAMQPConnection();
try {
connection.alwaysAllowMessageAssignmentInThisThreadIfItIsIOThread(true);
_queue.flushConsumer(this);
_target.processPending();
} finally {
connection.alwaysAllowMessageAssignmentInThisThreadIfItIsIOThread(false);
}
}
@Override
protected void onClose() {
if (_closed.compareAndSet(false, true)) {
_target.getSendLock();
try {
_waitingOnCreditMessageListener.remove();
_target.consumerRemoved(this);
_target.removeStateChangeListener(_listener);
_queue.unregisterConsumer(this);
deleted();
} finally {
_target.releaseSendLock();
}
}
}
QueueConsumerImpl(
final AbstractQueue<?> queue,
ConsumerTarget target,
final String consumerName,
final FilterManager filters,
final Class<? extends ServerMessage> messageClass,
EnumSet<Option> optionSet) {
super(
parentsMap(queue, target.getSessionModel().getModelObject()),
createAttributeMap(consumerName, filters, optionSet));
_messageClass = messageClass;
_sessionReference = target.getSessionModel().getConnectionReference();
_consumerNumber = CONSUMER_NUMBER_GENERATOR.getAndIncrement();
_filters = filters;
_acquires = optionSet.contains(Option.ACQUIRES);
_seesRequeues = optionSet.contains(Option.SEES_REQUEUES);
_isTransient = optionSet.contains(Option.TRANSIENT);
_target = target;
_queue = queue;
// Access control
authoriseCreate(this);
open();
setupLogging();
_listener =
new StateChangeListener<ConsumerTarget, ConsumerTarget.State>() {
@Override
public void stateChanged(
final ConsumerTarget object,
final ConsumerTarget.State oldState,
final ConsumerTarget.State newState) {
targetStateChanged(oldState, newState);
}
};
_target.addStateListener(_listener);
_suspendedConsumerLoggingTicker =
new SuspendedConsumerLoggingTicker(
queue.getContextValue(Long.class, Consumer.SUSPEND_NOTIFICATION_PERIOD)) {
@Override
protected void log(final long period) {
getEventLogger().message(getLogSubject(), SubscriptionMessages.STATE(period));
}
};
}
private EventLogger getEventLogger() {
return _queue.getEventLogger();
}
@Override
public void acquisitionRemoved(final QueueEntry node) {
_target.acquisitionRemoved(node);
_queue.decrementUnackedMsgCount(node);
}
@Override
public void externalStateChange() {
_queue.deliverAsync();
}
@Override
protected SecurityManager getSecurityManager() {
return _queue.getVirtualHost().getSecurityManager();
}
