@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));
}
};
}
public boolean resend(final QueueEntry entry) {
boolean messageWasResent = getQueue().resend(entry, this);
if (messageWasResent) {
_target.processPending();
}
return messageWasResent;
}
@Override
public void acquisitionRemoved(final QueueEntry node) {
_target.acquisitionRemoved(node);
_queue.decrementUnackedMsgCount(node);
}
public final void send(final QueueEntry entry, final boolean batch) {
_deliveredCount.incrementAndGet();
long size = _target.send(this, entry, batch);
_deliveredBytes.addAndGet(size);
}
@Override
public State getState() {
return STATE_MAP.get(_target.getState());
}
public void queueEmpty() {
_target.queueEmpty();
}
public void restoreCredit(final QueueEntry queueEntry) {
_target.restoreCredit(queueEntry.getMessage());
}
public boolean wouldSuspend(final QueueEntry msg) {
return !_target.allocateCredit(msg.getMessage());
}
public void queueDeleted() {
_target.queueDeleted();
}
public void flushBatched() {
_target.flushBatched();
}
@Override
public boolean isSuspended() {
return _target.isSuspended();
}
@Override
public AMQSessionModel getSessionModel() {
return _target.getSessionModel();
}
@Override
public long getUnacknowledgedMessages() {
return _target.getUnacknowledgedMessages();
}