org.apache.camel.jta

Class TransactionErrorHandler

java.lang.Object

org.apache.camel.support.service.BaseService

org.apache.camel.support.service.ServiceSupport

org.apache.camel.support.ChildServiceSupport

org.apache.camel.processor.errorhandler.ErrorHandlerSupport

org.apache.camel.jta.TransactionErrorHandler

All Implemented Interfaces:

AutoCloseable, org.apache.camel.AsyncProcessor, org.apache.camel.Navigate<org.apache.camel.Processor>, org.apache.camel.Processor, org.apache.camel.Service, org.apache.camel.ShutdownableService, org.apache.camel.spi.ErrorHandler, org.apache.camel.spi.ShutdownPrepared, org.apache.camel.StatefulService, org.apache.camel.SuspendableService

public class TransactionErrorHandler
extends org.apache.camel.processor.errorhandler.ErrorHandlerSupport
implements org.apache.camel.AsyncProcessor, org.apache.camel.spi.ShutdownPrepared, org.apache.camel.Navigate<org.apache.camel.Processor>

Does transactional execution according given policy. This class is based on org.apache.camel.spring.spi.TransactionErrorHandler excluding redelivery functionality. In the Spring implementation redelivering is done within the transaction which is not appropriate in JTA since every error breaks the current transaction.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.camel.CamelContext	camelContext
protected org.apache.camel.Processor	output
protected boolean	preparingShutdown

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

DEFAULT_EXCHANGE_FORMATTER, exceptionPolicies, exceptionPolicy

Fields inherited from class org.apache.camel.support.ChildServiceSupport

childServices

Fields inherited from class org.apache.camel.support.service.BaseService

BUILT, FAILED, INITIALIZED, INITIALIZING, lock, NEW, SHUTDOWN, SHUTTING_DOWN, STARTED, STARTING, status, STOPPED, STOPPING, SUSPENDED, SUSPENDING

Constructor Summary

Constructors

Constructor and Description
TransactionErrorHandler(org.apache.camel.CamelContext camelContext, org.apache.camel.Processor output, JtaTransactionPolicy transactionPolicy, org.apache.camel.LoggingLevel rollbackLoggingLevel) Creates the transaction error handler.

Method Summary

Modifier and Type	Method and Description
org.apache.camel.spi.ErrorHandler	clone(org.apache.camel.Processor output)
protected void	doInTransactionTemplate(org.apache.camel.Exchange exchange)
protected void	doShutdown()
protected void	doStart()
protected void	doStop()
org.apache.camel.Processor	getOutput()
boolean	hasNext()
List<org.apache.camel.Processor>	next()
void	prepareShutdown(boolean suspendOnly, boolean forced)
void	process(org.apache.camel.Exchange exchange)
boolean	process(org.apache.camel.Exchange exchange, org.apache.camel.AsyncCallback callback)
CompletableFuture<org.apache.camel.Exchange>	processAsync(org.apache.camel.Exchange exchange)
protected void	processByErrorHandler(org.apache.camel.Exchange exchange) Processes the Exchange using the error handler.
protected void	processInTransaction(org.apache.camel.Exchange exchange)
void	setTransactionPolicy(JtaTransactionPolicy transactionPolicy)
boolean	supportTransacted()

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

addErrorHandler, addExceptionPolicy, getExceptionPolicy, isDeadLetterChannel

Methods inherited from class org.apache.camel.support.ChildServiceSupport

addChildService, removeChildService, shutdown, start, stop

Methods inherited from class org.apache.camel.support.service.BaseService

build, doBuild, doFail, doInit, doLifecycleChange, doResume, doSuspend, fail, getStatus, init, isBuild, isInit, isNew, isRunAllowed, isShutdown, isStarted, isStarting, isStartingOrStarted, isStopped, isStopping, isStoppingOrStopped, isSuspended, isSuspending, isSuspendingOrSuspended, resume, suspend

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.StatefulService

getStatus, isRunAllowed, isStarted, isStarting, isStopped, isStopping, isSuspending

Methods inherited from interface org.apache.camel.SuspendableService

isSuspended, resume, suspend

Methods inherited from interface org.apache.camel.Service

build, close, init

Field Detail

camelContext

protected final org.apache.camel.CamelContext camelContext

output

protected final org.apache.camel.Processor output

preparingShutdown

protected volatile boolean preparingShutdown

Constructor Detail

TransactionErrorHandler

public TransactionErrorHandler(org.apache.camel.CamelContext camelContext,
                               org.apache.camel.Processor output,
                               JtaTransactionPolicy transactionPolicy,
                               org.apache.camel.LoggingLevel rollbackLoggingLevel)

Creates the transaction error handler.

Parameters:

camelContext - the camel context

output - outer processor that should use this default error handler

transactionPolicy - the transaction policy

rollbackLoggingLevel - logging level to use for logging transaction rollback occurred

Method Detail

clone

public org.apache.camel.spi.ErrorHandler clone(org.apache.camel.Processor output)

Specified by:

clone in class org.apache.camel.processor.errorhandler.ErrorHandlerSupport

process

public void process(org.apache.camel.Exchange exchange)
             throws Exception

Specified by:

process in interface org.apache.camel.Processor

Throws:

Exception

process

public boolean process(org.apache.camel.Exchange exchange,
                       org.apache.camel.AsyncCallback callback)

Specified by:

process in interface org.apache.camel.AsyncProcessor

processAsync

public CompletableFuture<org.apache.camel.Exchange> processAsync(org.apache.camel.Exchange exchange)

Specified by:

processAsync in interface org.apache.camel.AsyncProcessor

processInTransaction

protected void processInTransaction(org.apache.camel.Exchange exchange)

setTransactionPolicy

public void setTransactionPolicy(JtaTransactionPolicy transactionPolicy)

doInTransactionTemplate

protected void doInTransactionTemplate(org.apache.camel.Exchange exchange)
                                throws Throwable

Throws:

Throwable

processByErrorHandler

protected void processByErrorHandler(org.apache.camel.Exchange exchange)

Processes the Exchange using the error handler.

This implementation will invoke ensure this occurs synchronously, that means if the async routing engine did kick in, then this implementation will wait for the task to complete before it continues.

Parameters:

exchange - the exchange

getOutput

public org.apache.camel.Processor getOutput()

Specified by:

getOutput in class org.apache.camel.processor.errorhandler.ErrorHandlerSupport

doStart

protected void doStart()
                throws Exception

Overrides:

doStart in class org.apache.camel.support.service.BaseService

Throws:

Exception

doStop

protected void doStop()
               throws Exception

Overrides:

doStop in class org.apache.camel.support.service.BaseService

Throws:

Exception

doShutdown

protected void doShutdown()
                   throws Exception

Overrides:

doShutdown in class org.apache.camel.support.service.BaseService

Throws:

Exception

supportTransacted

public boolean supportTransacted()

Specified by:

supportTransacted in class org.apache.camel.processor.errorhandler.ErrorHandlerSupport

hasNext

public boolean hasNext()

Specified by:

hasNext in interface org.apache.camel.Navigate<org.apache.camel.Processor>

next

public List<org.apache.camel.Processor> next()

Specified by:

next in interface org.apache.camel.Navigate<org.apache.camel.Processor>

prepareShutdown

public void prepareShutdown(boolean suspendOnly,
                            boolean forced)

Specified by:

prepareShutdown in interface org.apache.camel.spi.ShutdownPrepared