@Override
public void subscribe(final Subscriber<? super QueueSignal> subscriber) {
try {
if (refCount.getAndIncrement() == 0) {
this.channel = lapin.createChannel();
}
subscriber.onSubscribe(createSubscription(subscriber, null, null));
} catch (Exception e) {
refCount.incrementAndGet();
subscriber.onError(e);
}
}
@Override
public boolean cancelSubscription(PushSubscription<QueueSignal> petitMessagePushSubscription) {
if (this.channel != null) {
try {
if (refCount.decrementAndGet() == 0) {
lapin.destroyChannel(channel);
}
} catch (IOException e) {
return false;
}
}
return true;
}