com.rabbitmq.client.CancelCallback Java Examples

@Test
void rabbitMQShouldSupportTheExclusiveWorkQueueCase() throws Exception {
    channel1.exchangeDeclare(EXCHANGE_NAME, "direct", DURABLE);
    channel1.queueDeclare(WORK_QUEUE, DURABLE, !EXCLUSIVE, !AUTO_DELETE, ImmutableMap.of());
    channel1.queueBind(WORK_QUEUE, EXCHANGE_NAME, ROUTING_KEY);

    IntStream.range(0, 10)
            .mapToObj(String::valueOf)
            .map(RabbitMQTest.this::asBytes)
            .forEach(Throwing.<byte[]>consumer(
                    bytes -> channel1.basicPublish(EXCHANGE_NAME, ROUTING_KEY, NO_PROPERTIES, bytes)).sneakyThrow());

    String dyingConsumerTag = "dyingConsumer";
    ImmutableMap<String, Object> arguments = ImmutableMap.of();
    ConcurrentLinkedQueue<Integer> receivedMessages = new ConcurrentLinkedQueue<>();
    CancelCallback doNothingOnCancel = consumerTag -> { };
    DeliverCallback ackFirstMessageOnly = (consumerTag, message) -> {
        if (receivedMessages.size() == 0) {
            receivedMessages.add(Integer.valueOf(new String(message.getBody(), StandardCharsets.UTF_8)));
            channel2.basicAck(message.getEnvelope().getDeliveryTag(), !MULTIPLE);
        } else {
            channel2.basicNack(message.getEnvelope().getDeliveryTag(), !MULTIPLE, REQUEUE);
        }
    };
    channel2.basicConsume(WORK_QUEUE, !AUTO_ACK, dyingConsumerTag, !NO_LOCAL, EXCLUSIVE, arguments, ackFirstMessageOnly, doNothingOnCancel);

    awaitAtMostOneMinute.until(() -> receivedMessages.size() == 1);

    channel2.basicCancel(dyingConsumerTag);

    InMemoryConsumer fallbackConsumer = new InMemoryConsumer(channel3);
    channel3.basicConsume(WORK_QUEUE, AUTO_ACK, "fallbackConsumer", !NO_LOCAL, EXCLUSIVE, arguments, fallbackConsumer);

    awaitAtMostOneMinute.until(() -> countReceivedMessages(fallbackConsumer) >= 1);

    assertThat(receivedMessages).containsExactly(0);
    assertThat(fallbackConsumer.getConsumedMessages()).contains(1, 2).doesNotContain(0);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, arguments, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback,
    CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback,
    CancelCallback cancelCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback)
    throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback,
    ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback)
    throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    throw new UnsupportedOperationException("This method is not currently supported as it is not used by current API in testing");
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, deliverCallback, cancelCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, consumerTag, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, consumerTag, deliverCallback, cancelCallback);
}
 

public ConsumerWrapper(DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    this.deliverCallback = deliverCallback;
    this.cancelCallback = cancelCallback;
    this.shutdownSignalCallback = shutdownSignalCallback;
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, arguments, deliverCallback, cancelCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    return delegate.basicConsume(queue, autoAck, deliverCallback, cancelCallback);
}
 

@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) throws IOException {
    return delegate.basicConsume(queue, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback) throws IOException {
    return delegate.basicConsume(queue, deliverCallback, cancelCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    return basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, new ConsumerWrapper(deliverCallback, cancelCallback, shutdownSignalCallback));
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, boolean noLocal, boolean exclusive, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback) {
    return basicConsume(queue, autoAck, consumerTag, noLocal, exclusive, arguments, deliverCallback, cancelCallback, null);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    return basicConsume(queue, autoAck, consumerTag, false, false, Collections.emptyMap(), deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, String consumerTag, DeliverCallback deliverCallback, CancelCallback cancelCallback) {
    return basicConsume(queue, autoAck, consumerTag, deliverCallback, cancelCallback, null);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    return basicConsume(queue, autoAck, "", false, false, arguments, deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, Map<String, Object> arguments, DeliverCallback deliverCallback, CancelCallback cancelCallback) {
    return basicConsume(queue, autoAck, arguments, deliverCallback, cancelCallback, null);
}
 

@Override
public String basicConsume(String queue, boolean autoAck, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    return basicConsume(queue, autoAck, Collections.emptyMap(), deliverCallback, cancelCallback, shutdownSignalCallback);
}
 

@Override
public String basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback, ConsumerShutdownSignalCallback shutdownSignalCallback) {
    return basicConsume(queue, false, deliverCallback, cancelCallback, shutdownSignalCallback);
}