public static void CreateCopyOfSubProcessExecutionForCompensation(IExecutionEntity subProcessExecution)
{
IEventSubscriptionEntityManager eventSubscriptionEntityManager = Context.CommandContext.EventSubscriptionEntityManager;
IList <ICompensateEventSubscriptionEntity> compensateEventSubscriptions = eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByExecutionId(subProcessExecution.Id);
if (CollectionUtil.IsNotEmpty(compensateEventSubscriptions))
{
IExecutionEntity processInstanceExecutionEntity = subProcessExecution.ProcessInstance;
IExecutionEntity eventScopeExecution = Context.CommandContext.ExecutionEntityManager.CreateChildExecution(processInstanceExecutionEntity);
eventScopeExecution.IsActive = false;
eventScopeExecution.IsEventScope = true;
eventScopeExecution.CurrentFlowElement = subProcessExecution.CurrentFlowElement;
// copy local variables to eventScopeExecution by value. This way,
// the eventScopeExecution references a 'snapshot' of the local variables
(new SubProcessVariableSnapshotter()).SetVariablesSnapshots(subProcessExecution, eventScopeExecution);
// set event subscriptions to the event scope execution:
foreach (ICompensateEventSubscriptionEntity eventSubscriptionEntity in compensateEventSubscriptions)
{
eventSubscriptionEntityManager.Delete(eventSubscriptionEntity);
ICompensateEventSubscriptionEntity newSubscription = eventSubscriptionEntityManager.InsertCompensationEvent(eventScopeExecution, eventSubscriptionEntity.ActivityId);
newSubscription.Configuration = eventSubscriptionEntity.Configuration;
newSubscription.Created = eventSubscriptionEntity.Created;
}
ICompensateEventSubscriptionEntity eventSubscription = eventSubscriptionEntityManager.InsertCompensationEvent(processInstanceExecutionEntity, eventScopeExecution.CurrentFlowElement.Id);
eventSubscription.Configuration = eventScopeExecution.Id;
}
}
public override void Trigger(IExecutionEntity execution, string triggerName, object triggerData, bool throwError = true)
{
BoundaryEvent boundaryEvent = (BoundaryEvent)execution.CurrentFlowElement;
ICommandContext commandContext = Context.CommandContext;
IExecutionEntityManager executionEntityManager = commandContext.ExecutionEntityManager;
IExecutionEntity subProcessExecution = null;
// TODO: this can be optimized. A full search in the all executions shouldn't be needed
IList <IExecutionEntity> processInstanceExecutions = executionEntityManager.FindChildExecutionsByProcessInstanceId(execution.ProcessInstanceId);
foreach (IExecutionEntity childExecution in processInstanceExecutions)
{
if (childExecution.CurrentFlowElement != null && childExecution.CurrentFlowElement.Id.Equals(boundaryEvent.AttachedToRefId))
{
subProcessExecution = childExecution;
break;
}
}
if (subProcessExecution == null)
{
throw new ActivitiException("No execution found for sub process of boundary cancel event " + boundaryEvent.Id);
}
IEventSubscriptionEntityManager eventSubscriptionEntityManager = commandContext.EventSubscriptionEntityManager;
IList <ICompensateEventSubscriptionEntity> eventSubscriptions = eventSubscriptionEntityManager.FindCompensateEventSubscriptionsByExecutionId(subProcessExecution.ParentId);
if (eventSubscriptions.Count == 0)
{
Leave(execution);
}
else
{
Leave(execution);
string deleteReason = History.DeleteReasonFields.BOUNDARY_EVENT_INTERRUPTING + "(" + boundaryEvent.Id + ")";
// cancel boundary is always sync
ScopeUtil.ThrowCompensationEvent(eventSubscriptions, execution, false);
executionEntityManager.DeleteExecutionAndRelatedData(subProcessExecution, deleteReason, false);
if (subProcessExecution.CurrentFlowElement is Activity activity)
{
if (activity.LoopCharacteristics != null)
{
IExecutionEntity miExecution = subProcessExecution.Parent;
IList <IExecutionEntity> miChildExecutions = executionEntityManager.FindChildExecutionsByParentExecutionId(miExecution.Id);
foreach (IExecutionEntity miChildExecution in miChildExecutions)
{
if (subProcessExecution.Id.Equals(miChildExecution.Id) == false && activity.Id.Equals(miChildExecution.CurrentActivityId))
{
executionEntityManager.DeleteExecutionAndRelatedData(miChildExecution, deleteReason, false);
}
}
}
}
}
}