org.jbpm.pvm.internal.svc
Class RetryInterceptor

java.lang.Object
  org.jbpm.pvm.internal.svc.Interceptor
      org.jbpm.pvm.internal.svc.RetryInterceptor

All Implemented Interfaces:

CommandService

Direct Known Subclasses:

JtaRetryInterceptor

public class RetryInterceptor
extends Interceptor

retries the command execution in case hibernate throws optimistic locking (StaleObjectException) exceptions.

Author:

Tom Baeyens, Huisheng Xu

Field Summary

Fields inherited from class org.jbpm.pvm.internal.svc.Interceptor

next

Fields inherited from interface org.jbpm.pvm.internal.cmd.CommandService

NAME_NEW_TX_REQUIRED_COMMAND_SERVICE, NAME_TX_REQUIRED_COMMAND_SERVICE

Constructor Summary

RetryInterceptor()

Method Summary

<T> T	execute(Command<T> command)
long	getDelay()
long	getDelayFactor()
int	getRetries()
protected boolean	isCausedByOptimisticLockingFailure(java.lang.Throwable throwable) fix for JBPM-2864.
void	setDelay(long delay)
void	setDelayFactor(long delayFactor)
void	setRetries(int retries)

Methods inherited from class org.jbpm.pvm.internal.svc.Interceptor

getNext, setNext

Methods inherited from class java.lang.Object

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

Constructor Detail

RetryInterceptor

public RetryInterceptor()

Method Detail

execute

public <T> T execute(Command<T> command)

isCausedByOptimisticLockingFailure

protected boolean isCausedByOptimisticLockingFailure(java.lang.Throwable throwable)

fix for JBPM-2864. If this exception is caused by StaleStateException, then we should retry.

getRetries

public int getRetries()

setRetries

public void setRetries(int retries)

getDelay

public long getDelay()

setDelay

public void setDelay(long delay)

getDelayFactor

public long getDelayFactor()

setDelayFactor

public void setDelayFactor(long delayFactor)