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

Introduction

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

Prototype

public Channel getChannel() 

Source Link

Usage

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

private boolean receiveAndExecute(final BlockingQueueConsumer consumer) throws Throwable {

    if (this.transactionManager != null) {
        try {//from   www  .ja va 2  s  . c  om
            return new TransactionTemplate(this.transactionManager, this.transactionAttribute)
                    .execute(new TransactionCallback<Boolean>() {
                        @Override
                        public Boolean doInTransaction(TransactionStatus status) {
                            ConnectionFactoryUtils.bindResourceToTransaction(
                                    new RabbitResourceHolder(consumer.getChannel(), false),
                                    getConnectionFactory(), true);
                            try {
                                return doReceiveAndExecute(consumer);
                            } catch (RuntimeException e) {
                                throw e;
                            } catch (Throwable e) { //NOSONAR
                                // ok to catch Throwable here because we re-throw it below
                                throw new WrappedTransactionException(e);
                            }
                        }
                    });
        } catch (WrappedTransactionException e) {
            throw e.getCause();
        }
    }

    return doReceiveAndExecute(consumer);

}

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

private boolean doReceiveAndExecute(BlockingQueueConsumer consumer) throws Throwable {

    Channel channel = consumer.getChannel();

    for (int i = 0; i < this.txSize; i++) {

        logger.trace("Waiting for message from consumer.");
        Message message = consumer.nextMessage(this.receiveTimeout);
        if (message == null) {
            break;
        }//from   w ww.java 2  s .c o m
        try {
            executeListener(channel, message);
        } catch (ImmediateAcknowledgeAmqpException e) {
            break;
        } catch (Throwable ex) { //NOSONAR
            consumer.rollbackOnExceptionIfNecessary(ex);
            throw ex;
        }

    }

    return consumer.commitIfNecessary(isChannelLocallyTransacted(channel));

}

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