How to use

add

method

in

org.springframework.amqp.rabbit.listener.ActiveObjectCounter

public void start() throws AmqpException {
  if (logger.isDebugEnabled()) {
    logger.debug("Starting consumer " + this);
  }
  this.thread = Thread.currentThread();
  try {
    this.resourceHolder = ConnectionFactoryUtils.getTransactionalResourceHolder(this.connectionFactory,
        this.transactional);
    this.channel = this.resourceHolder.getChannel();
    ClosingRecoveryListener.addRecoveryListenerIfNecessary(this.channel); // NOSONAR never null here
  }
  catch (AmqpAuthenticationException e) {
    throw new FatalListenerStartupException("Authentication failure", e);
  }
  this.deliveryTags.clear();
  this.activeObjectCounter.add(this);
  passiveDeclarations();
  setQosAndreateConsumers();
}

public void start() throws AmqpException {
  if (logger.isDebugEnabled()) {
    logger.debug("Starting consumer " + this);
  }
  this.thread = Thread.currentThread();
  try {
    this.resourceHolder = ConnectionFactoryUtils.getTransactionalResourceHolder(this.connectionFactory,
        this.transactional);
    this.channel = this.resourceHolder.getChannel();
    ClosingRecoveryListener.addRecoveryListenerIfNecessary(this.channel); // NOSONAR never null here
  }
  catch (AmqpAuthenticationException e) {
    throw new FatalListenerStartupException("Authentication failure", e);
  }
  this.deliveryTags.clear();
  this.activeObjectCounter.add(this);
  passiveDeclarations();
  setQosAndreateConsumers();
}

@Test
public void testTimeoutWaitForLocks() throws Exception {
  final Object object1 = new Object();
  counter.add(object1);
  assertEquals(false, counter.await(200L, TimeUnit.MILLISECONDS));
}

@Test
public void testWaitForLocks() throws Exception {
  final Object object1 = new Object();
  final Object object2 = new Object();
  counter.add(object1);
  counter.add(object2);
  Future<Boolean> future = Executors.newSingleThreadExecutor().submit(() -> {
    counter.release(object1);
    counter.release(object2);
    counter.release(object2);
    return true;
  });
  assertEquals(true, counter.await(1000L, TimeUnit.MILLISECONDS));
  assertEquals(true, future.get());
}

synchronized (this.consumersMonitor) {
  if (consumer != null) {
    this.cancellationLock.add(consumer);
    this.consumers.add(consumer);
    this.consumersByQueue.add(queue, consumer);

synchronized (this.consumersMonitor) {
  if (consumer != null) {
    this.cancellationLock.add(consumer);
    this.consumers.add(consumer);
    this.consumersByQueue.add(queue, consumer);

@Test
public void testActiveCount() throws Exception {
  final Object object1 = new Object();
  final Object object2 = new Object();
  counter.add(object1);
  counter.add(object2);
  assertEquals(2, counter.getCount());
  counter.release(object2);
  assertEquals(1, counter.getCount());
  counter.release(object1);
  counter.release(object1);
  assertEquals(0, counter.getCount());
}