Example usage for com.rabbitmq.client Channel basicRecover

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel basicRecover.

Prototype

Basic.RecoverOk basicRecover(boolean requeue) throws IOException;

Source Link

Document

Ask the broker to resend unacknowledged messages.

Usage

From source file:org.mule.transport.amqp.AmqpRecover.java

License:Open Source License

public static void recover(final MuleMessage message, final boolean requeue) throws MuleException {
    final Channel channel = getChannelOrFail(message, CHANNEL_ACTION);

    try {/*from  www.  j  a  va2 s. c  om*/
        channel.basicRecover(requeue);
    } catch (final IOException ioe) {
        throw new DefaultMuleException("Failed to recover channel: " + channel, ioe);
    }

    if (LOG.isDebugEnabled()) {
        LOG.debug("Manually recovered channel: " + channel);
    }
}

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From source file:org.mule.transport.amqp.AmqpTransaction.java

License:Open Source License

@Override
protected void doRollback() throws TransactionException {
    if (resource == null) {
        logger.warn(CoreMessages.rollbackTxButNoResource(this));
        return;/*from  w ww.  jav a2  s.  c  o  m*/
    }

    final Channel channel = getTransactedChannel();

    try {
        channel.txRollback();
    } catch (final IOException ioe) {
        throw new TransactionException(CoreMessages.transactionRollbackFailed(), ioe);
    }

    try {
        channel.txRollback();
        switch (recoverStrategy) {
        case NONE:
            // NOOP
            break;
        case NO_REQUEUE:
            channel.basicRecover(false);
            break;
        case REQUEUE:
            channel.basicRecover(true);
            break;
        }
    } catch (final IOException ioe) {
        logger.warn("Failed to recover channel " + channel + " after rollback (recoverStrategy is "
                + recoverStrategy + ")");
    }
}

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From source file:org.mule.transport.amqp.internal.processor.Recover.java

License:Open Source License

public void recover(final MuleMessage message, final boolean requeue) throws MuleException {
    final Channel channel = getChannelOrFail(message, CHANNEL_ACTION);

    try {/*w  w  w  . ja va2  s .c  o m*/
        channel.basicRecover(requeue);
    } catch (final Exception e) {
        throw new DefaultMuleException("Failed to recover channel: " + channel, e);
    }

    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Manually recovered channel: " + channel);
    }
}

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From source file:org.mule.transport.amqp.internal.transaction.AmqpTransaction.java

License:Open Source License

protected void applyRecoverStrategy(final Channel channel) {
    try {/*from  w  ww  .j a va 2s  .  co  m*/
        switch (recoverStrategy) {
        case NONE:
            // NOOP
            break;
        case NO_REQUEUE:
            channel.basicRecover(false);
            break;
        case REQUEUE:
            channel.basicRecover(true);
            break;
        }

        if ((recoverStrategy != NONE) && (logger.isDebugEnabled())) {
            logger.debug("Applied " + recoverStrategy + " recover strategy on channel: " + channel);
        }
    } catch (final IOException ioe) {
        logger.warn("Failed to recover channel " + channel + " after rollback (recoverStrategy is "
                + recoverStrategy + ")");
    }
}

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From source file:org.springframework.amqp.rabbit.connection.RabbitUtils.java

License:Apache License

public static void closeMessageConsumer(Channel channel, Collection<String> consumerTags,
        boolean transactional) {
    if (!channel.isOpen()) {
        return;/*from www  .j a  v  a 2s  .  c  o m*/
    }
    try {
        synchronized (consumerTags) {
            for (String consumerTag : consumerTags) {
                channel.basicCancel(consumerTag);
            }
        }
        if (transactional) {
            /*
             * Re-queue in-flight messages if any (after the consumer is cancelled to prevent the broker from simply
             * sending them back to us). Does not require a tx.commit.
             */
            channel.basicRecover(true);
        }
        /*
         * If not transactional then we are auto-acking (at least as of 1.0.0.M2) so there is nothing to recover.
         * Messages are going to be lost in general.
         */
    } catch (Exception ex) {
        throw RabbitExceptionTranslator.convertRabbitAccessException(ex);
    }
}

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From source file:org.springframework.amqp.rabbit.core.RabbitTemplateIntegrationTests.java

License:Apache License

@Test
public void testSendAndReceiveTransactedWithImplicitRollback() throws Exception {
    template.setChannelTransacted(true);
    template.convertAndSend(ROUTE, "message");
    // Rollback of manual receive is implicit because the channel is
    // closed...//from  www.  j  a v  a 2 s .co  m
    try {
        template.execute(new ChannelCallback<String>() {
            @Override
            public String doInRabbit(Channel channel) throws Exception {
                // Switch off the auto-ack so the message is rolled back...
                channel.basicGet(ROUTE, false);
                // This is the way to rollback with a cached channel (it is
                // the way the ConnectionFactoryUtils
                // handles it via a synchronization):
                channel.basicRecover(true);
                throw new PlannedException();
            }
        });
        fail("Expected PlannedException");
    } catch (Exception e) {
        assertTrue(e.getCause() instanceof PlannedException);
    }
    String result = (String) template.receiveAndConvert(ROUTE);
    assertEquals("message", result);
    result = (String) template.receiveAndConvert(ROUTE);
    assertEquals(null, result);
}

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From source file:org.springframework.amqp.rabbit.support.RabbitUtils.java

License:Apache License

public static void closeMessageConsumer(Channel channel, String consumerTag, boolean transactional) {
    if (!channel.isOpen()) {
        return;/*from w  w w  .  j  a  va2s .c  o  m*/
    }
    try {
        channel.basicCancel(consumerTag);
        if (transactional) {
            /*
             * Re-queue in-flight messages if any (after the consumer is cancelled to prevent the broker from simply
             * sending them back to us).  Does not require a tx.commit.
             */
            channel.basicRecover(true);
        }
    } catch (Exception ex) {
        throw convertRabbitAccessException(ex);
    }
}

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