public virtual void HandleEvent(EventSubscriptionEntity eventSubscription, object payload,
CommandContext commandContext)
{
eventSubscription.Delete();
var configuration = eventSubscription.Configuration;
EnsureUtil.EnsureNotNull(
"Compensating execution not set for compensate event subscription with id " + eventSubscription.Id,
"configuration", configuration);
ExecutionEntity compensatingExecution = commandContext.ExecutionManager.FindExecutionById(configuration);
ActivityImpl compensationHandler = eventSubscription.Activity;
//activate execution
compensatingExecution.IsActive = true;
if (compensatingExecution.GetActivity().ActivityBehavior is ICompositeActivityBehavior)
{
compensatingExecution.Parent.ActivityInstanceId = compensatingExecution.ActivityInstanceId;
}
if (compensationHandler.IsScope && !compensationHandler.CompensationHandler)
{
// descend into scope:
IList <EventSubscriptionEntity> eventsForThisScope = compensatingExecution.CompensateEventSubscriptions;
CompensationUtil.ThrowCompensationEvent(eventsForThisScope, compensatingExecution, false);
}
else
{
try
{
if (compensationHandler.SubProcessScope && compensationHandler.TriggeredByEvent)
{
compensatingExecution.ExecuteActivity(compensationHandler);
}
else
{
// since we already have a scope execution, we don't need to create another one
// for a simple scoped compensation handler
compensatingExecution.SetActivity(compensationHandler);
compensatingExecution.PerformOperation(PvmAtomicOperationFields.ActivityStart);
}
}
//TODO 暂时取消异常拦截
//catch (Exception e)
//{
// throw new ProcessEngineException("Error while handling compensation event " + eventSubscription, e);
//}
finally
{
}
}
}
public override void Execute(IActivityExecution execution)
{
var eventSubscriptions = CollectEventSubscriptions(execution);
if (eventSubscriptions.Count == 0)
{
Leave(execution);
}
else
{
CompensationUtil.ThrowCompensationEvent(eventSubscriptions, execution, false);
}
}
public override void Execute(IActivityExecution execution)
{
EnsureUtil.EnsureNotNull("Could not find cancel boundary event for cancel end event " + execution.Activity,
"cancelBoundaryEvent", cancelBoundaryEvent);
var compensateEventSubscriptions = CompensationUtil.CollectCompensateEventSubscriptionsForScope(execution);
if (compensateEventSubscriptions.Count == 0)
{
Leave(execution);
}
else
{
CompensationUtil.ThrowCompensationEvent(compensateEventSubscriptions, execution, false);
}
}
