public override void Execute(IExecutionEntity execution)
{
ThrowEvent throwEvent = (ThrowEvent)execution.CurrentFlowElement;
/*
* From the BPMN 2.0 spec:
*
* The Activity to be compensated MAY be supplied.
*
* If an Activity is not supplied, then the compensation is broadcast to all completed Activities in
* the current Sub- Process (if present), or the entire Process instance (if at the global level). This "throws" the compensation.
*/
string activityRef = compensateEventDefinition.ActivityRef;
ICommandContext commandContext = Context.CommandContext;
IEventSubscriptionEntityManager eventSubscriptionEntityManager = commandContext.EventSubscriptionEntityManager;
List <ICompensateEventSubscriptionEntity> eventSubscriptions = new List <ICompensateEventSubscriptionEntity>();
if (!string.IsNullOrWhiteSpace(activityRef))
{
// If an activity ref is provided, only that activity is compensated
eventSubscriptions.AddRange(eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByProcessInstanceIdAndActivityId(execution.ProcessInstanceId, activityRef));
}
else
{
eventSubscriptions.AddRange(eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByProcessInstanceIdAndActivityId(execution.ProcessInstanceId, null));
// If no activity ref is provided, it is broadcast to the current sub process / process instance
//IFlowElementsContainer process = ProcessDefinitionUtil.GetProcess(execution.ProcessDefinitionId);
//IFlowElementsContainer flowElementsContainer;
//if (throwEvent.SubProcess == null)
//{
// flowElementsContainer = process;
//}
//else
//{
// flowElementsContainer = throwEvent.SubProcess;
//}
////if (flowElementsContainer != process)
////{
//// foreach (FlowElement flowElement in process.FlowElements)
//// {
//// if (flowElement is Activity)
//// {
//// IList<ICompensateEventSubscriptionEntity> compensateEvents = eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByProcessInstanceIdAndActivityId(execution.ProcessInstanceId, flowElement.Id);
//// eventSubscriptions.AddRange(compensateEvents);
//// }
//// }
////}
//foreach (FlowElement flowElement in flowElementsContainer.FlowElements)
//{
// if (flowElement is Activity)
// {
// IList<ICompensateEventSubscriptionEntity> compensateEvents = eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByProcessInstanceIdAndActivityId(execution.ProcessInstanceId, flowElement.Id);
// eventSubscriptions.AddRange(compensateEvents);
// }
//}
}
Leave(execution);
if (eventSubscriptions.Count > 0)
{
// TODO: implement async (waitForCompletion=false in bpmn)
ScopeUtil.ThrowCompensationEvent(eventSubscriptions, execution, false);
}
}
