org.apache.camel.processor
Class DeadLetterChannel

java.lang.Object
  org.apache.camel.impl.ServiceSupport
      org.apache.camel.processor.ErrorHandlerSupport
          org.apache.camel.processor.RedeliveryErrorHandler
              org.apache.camel.processor.DeadLetterChannel

All Implemented Interfaces:

AsyncProcessor, Processor, ErrorHandler, Service, ShutdownableService

public class DeadLetterChannel
extends RedeliveryErrorHandler

Implements a Dead Letter Channel after attempting to redeliver the message using the RedeliveryPolicy

Version:

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.camel.processor.RedeliveryErrorHandler

RedeliveryErrorHandler.RedeliveryData

Field Summary

Fields inherited from class org.apache.camel.processor.RedeliveryErrorHandler

camelContext, deadLetter, deadLetterUri, handledPolicy, logger, output, outputAsync, redeliveryPolicy, redeliveryProcessor, retryWhilePolicy, useOriginalMessagePolicy

Fields inherited from class org.apache.camel.processor.ErrorHandlerSupport

log

Constructor Summary

DeadLetterChannel(CamelContext camelContext, Processor output, CamelLogger logger, Processor redeliveryProcessor, RedeliveryPolicy redeliveryPolicy, Predicate handledPolicy, ExceptionPolicyStrategy exceptionPolicyStrategy, Processor deadLetter, String deadLetterUri, boolean useOriginalBodyPolicy, Predicate retryWhile)
Creates the dead letter channel.

Method Summary

void	process(Exchange exchange) Processes the message exchange
String	toString()

Methods inherited from class org.apache.camel.processor.RedeliveryErrorHandler

deliverToFailureProcessor, deliverToOnRedeliveryProcessor, doStart, doStop, getDeadLetter, getDeadLetterUri, getLogger, getOutput, getRedeliveryPolicy, handleException, isCancelledOrInterrupted, isDone, isUseOriginalMessagePolicy, prepareExchangeAfterFailure, prepareExchangeForContinue, prepareExchangeForRedelivery, process, processAsyncErrorHandler, processErrorHandler, shouldHandleException, supportTransacted

Methods inherited from class org.apache.camel.processor.ErrorHandlerSupport

addExceptionPolicy, createDefaultExceptionPolicyStrategy, customProcessorForException, getExceptionPolicy, setExceptionPolicy

Methods inherited from class org.apache.camel.impl.ServiceSupport

addChildService, doResume, doShutdown, doSuspend, getStatus, getVersion, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspended, isSuspending, removeChildService, resume, shutdown, start, start, stop, suspend

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DeadLetterChannel

public DeadLetterChannel(CamelContext camelContext,
                         Processor output,
                         CamelLogger logger,
                         Processor redeliveryProcessor,
                         RedeliveryPolicy redeliveryPolicy,
                         Predicate handledPolicy,
                         ExceptionPolicyStrategy exceptionPolicyStrategy,
                         Processor deadLetter,
                         String deadLetterUri,
                         boolean useOriginalBodyPolicy,
                         Predicate retryWhile)

Creates the dead letter channel.

Parameters:

camelContext - the camel context

output - outer processor that should use this dead letter channel

logger - logger to use for logging failures and redelivery attempts

redeliveryProcessor - an optional processor to run before redelivery attempt

redeliveryPolicy - policy for redelivery

handledPolicy - policy for handling failed exception that are moved to the dead letter queue

exceptionPolicyStrategy - strategy for onException handling

deadLetter - the failure processor to send failed exchanges to

deadLetterUri - an optional uri for logging purpose

useOriginalBodyPolicy - should the original IN body be moved to the dead letter queue or the current exchange IN body?

retryWhile - retry while

Method Detail

process

public void process(Exchange exchange)
             throws Exception

Description copied from interface: Processor

Processes the message exchange

Specified by:

process in interface Processor

Overrides:

process in class RedeliveryErrorHandler

Parameters:

exchange - the message exchange

Throws:

Exception - if an internal processing error has occurred.

toString

public String toString()

Overrides:

toString in class Object