protected internal virtual IMigrationInstruction GetMigrationInstruction(
MigratingInstanceParseContext parseContext, ActivityImpl activity)
{
if (activity.CompensationHandler)
{
var compensationHandlerProperties = activity.Properties;
var eventTrigger = compensationHandlerProperties.Get(BpmnProperties.CompensationBoundaryEvent);
if (eventTrigger == null)
{
eventTrigger = compensationHandlerProperties.Get(BpmnProperties.InitialActivity);
}
return(parseContext.FindSingleMigrationInstruction(eventTrigger.ActivityId));
}
return(parseContext.FindSingleMigrationInstruction(activity.ActivityId));
}
protected internal virtual MigratingProcessElementInstance CreateMigratingEventScopeInstance(
MigratingInstanceParseContext parseContext, EventSubscriptionEntity element)
{
var compensatingActivity =
(ActivityImpl)parseContext.SourceProcessDefinition.FindActivity(element.ActivityId);
var migrationInstruction = GetMigrationInstruction(parseContext, compensatingActivity);
ActivityImpl eventSubscriptionTargetScope = null;
if (migrationInstruction != null)
{
if (compensatingActivity.CompensationHandler)
{
var targetEventScope =
(ActivityImpl)parseContext.GetTargetActivity(migrationInstruction).EventScope;
eventSubscriptionTargetScope = targetEventScope.findCompensationHandler();
}
else
{
eventSubscriptionTargetScope = parseContext.GetTargetActivity(migrationInstruction);
}
}
var eventScopeExecution = CompensationUtil.GetCompensatingExecution(element);
var eventScopeInstruction = parseContext.FindSingleMigrationInstruction(eventScopeExecution.ActivityId);
var targetScope = parseContext.GetTargetActivity(eventScopeInstruction);
//var migratingCompensationInstance =
// parseContext.MigratingProcessInstance.addEventScopeInstance(eventScopeInstruction, eventScopeExecution,
// eventScopeExecution.getActivity(), targetScope, migrationInstruction, element, compensatingActivity,
// eventSubscriptionTargetScope);
//parseContext.consume(element);
//parseContext.submit(migratingCompensationInstance);
//parseDependentEntities(parseContext, migratingCompensationInstance);
//return migratingCompensationInstance;
return(null);
}
public virtual void Handle(MigratingInstanceParseContext parseContext, MigratingActivityInstance owningInstance,
IList <EventSubscriptionEntity> elements)
{
var targetDeclarations = GetDeclarationsByTriggeringActivity(owningInstance.TargetScope);
foreach (var eventSubscription in elements)
{
if (!SupportedEventTypes.Contains(eventSubscription.EventType))
{
continue;
}
var migrationInstruction = parseContext.FindSingleMigrationInstruction(eventSubscription.ActivityId);
var targetActivity = parseContext.GetTargetActivity(migrationInstruction);
if ((targetActivity != null) && owningInstance.MigratesTo((ScopeImpl)targetActivity.EventScope))
{
// the event subscription is migrated
//EventSubscriptionDeclaration targetDeclaration = targetDeclarations.Remove(targetActivity.Id);
//owningInstance.addMigratingDependentInstance(new MigratingEventSubscriptionInstance(eventSubscription, targetActivity, migrationInstruction.UpdateEventTrigger, targetDeclaration));
}
else
{
// the event subscription will be removed
owningInstance.AddRemovingDependentInstance(new MigratingEventSubscriptionInstance(eventSubscription));
}
//parseContext.consume(eventSubscription);
}
if (owningInstance.Migrates())
{
AddEmergingEventSubscriptions(owningInstance, targetDeclarations.Values);
}
}