Example usage for org.springframework.amqp.rabbit.listener BlockingQueueConsumer stop

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.listener BlockingQueueConsumer stop.

Prototype

public synchronized void stop() 

Source Link

Usage

From source file:org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.java

protected void addAndStartConsumers(int delta) {
    synchronized (this.consumersMonitor) {
        if (this.consumers != null) {
            for (int i = 0; i < delta; i++) {
                BlockingQueueConsumer consumer = createBlockingQueueConsumer();
                this.consumers.put(consumer, true);
                AsyncMessageProcessingConsumer processor = new AsyncMessageProcessingConsumer(consumer);
                if (logger.isDebugEnabled()) {
                    logger.debug("Starting a new consumer: " + consumer);
                }//from w  w  w  . ja  v  a  2 s  .  c o  m
                this.taskExecutor.execute(processor);
                try {
                    FatalListenerStartupException startupException = processor.getStartupException();
                    if (startupException != null) {
                        this.consumers.remove(consumer);
                        throw new AmqpIllegalStateException("Fatal exception on listener startup",
                                startupException);
                    }
                } catch (InterruptedException ie) {
                    Thread.currentThread().interrupt();
                } catch (Exception e) {
                    consumer.stop();
                    logger.error("Error starting new consumer", e);
                    this.cancellationLock.release(consumer);
                    this.consumers.remove(consumer);
                }
            }
        }
    }
}

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From source file:org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.java

private void restart(BlockingQueueConsumer consumer) {
    synchronized (this.consumersMonitor) {
        if (this.consumers != null) {
            try {
                // Need to recycle the channel in this consumer
                consumer.stop();
                // Ensure consumer counts are correct (another is going
                // to start because of the exception, but
                // we haven't counted down yet)
                this.cancellationLock.release(consumer);
                this.consumers.remove(consumer);
                BlockingQueueConsumer newConsumer = createBlockingQueueConsumer();
                newConsumer.setBackOffExecution(consumer.getBackOffExecution());
                consumer = newConsumer;/*from   w w w.j a  va  2  s.  c  om*/
                this.consumers.put(consumer, true);
            } catch (RuntimeException e) {
                logger.warn(
                        "Consumer failed irretrievably on restart. " + e.getClass() + ": " + e.getMessage());
                // Re-throw and have it logged properly by the caller.
                throw e;
            }
            this.taskExecutor.execute(new AsyncMessageProcessingConsumer(consumer));
        }
    }
}

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