protected internal virtual void DeletePropagate(ExecutionEntity processInstance, string deleteReason, bool skipCustomListeners, bool skipIoMappings)
{
ExecutionEntity topmostDeletableExecution = processInstance;
ExecutionEntity parentScopeExecution = (ExecutionEntity)topmostDeletableExecution.GetParentScopeExecution(true);
while (parentScopeExecution != null && (parentScopeExecution.NonEventScopeExecutions.Count <= 1))
{
topmostDeletableExecution = parentScopeExecution;
parentScopeExecution = (ExecutionEntity)topmostDeletableExecution.GetParentScopeExecution(true);
}
topmostDeletableExecution.DeleteCascade(deleteReason, skipCustomListeners, skipIoMappings, false);
}
protected internal virtual void HandleChildRemovalInScope(ExecutionEntity removedExecution)
{
// TODO: the following should be closer to PvmAtomicOperationDeleteCascadeFireActivityEnd
// (note though that e.g. boundary events expect concurrent executions to be preserved)
//
// Idea: attempting to prune and synchronize on the parent is the default behavior when
// a concurrent child is removed, but scope activities implementing ModificationObserverBehavior
// override this default (and thereforemust* take care of reorganization themselves)
// notify the behavior that a concurrent execution has been removed
// must be set due to deleteCascade behavior
ActivityImpl activity = removedExecution.Activity as ActivityImpl;
ScopeImpl flowScope = activity.FlowScope;
IActivityExecution scopeExecution = removedExecution.GetParentScopeExecution(false);
IActivityExecution executionInParentScope = removedExecution.IsConcurrent ? removedExecution : removedExecution.Parent;
if (flowScope.ActivityBehavior != null && flowScope.ActivityBehavior is IModificationObserverBehavior)
{
// let child removal be handled by the scope itself
IModificationObserverBehavior behavior = (IModificationObserverBehavior)flowScope.ActivityBehavior;
behavior.DestroyInnerInstance(executionInParentScope);
}
else
{
if (executionInParentScope.IsConcurrent)
{
executionInParentScope.Remove();
scopeExecution.TryPruneLastConcurrentChild();
scopeExecution.ForceUpdate();
}
}
}