protected internal virtual void RemoveObsoleteEventSubscriptions(ESS.FW.Bpm.Engine.Persistence.Entity.ProcessDefinitionEntity processDefinition, ESS.FW.Bpm.Engine.Persistence.Entity.ProcessDefinitionEntity latestProcessDefinition)
{
// remove all subscriptions for the previous version
if (latestProcessDefinition != null)
{
IEventSubscriptionManager eventSubscriptionManager = EventSubscriptionManager;
IList <EventSubscriptionEntity> subscriptionsToDelete = new List <EventSubscriptionEntity>();
IList <EventSubscriptionEntity> messageEventSubscriptions = eventSubscriptionManager.FindEventSubscriptionsByConfiguration(EventType.Message.Name, latestProcessDefinition.Id);
((List <EventSubscriptionEntity>)subscriptionsToDelete).AddRange(messageEventSubscriptions);
IList <EventSubscriptionEntity> signalEventSubscriptions = eventSubscriptionManager.FindEventSubscriptionsByConfiguration(EventType.Signal.Name, latestProcessDefinition.Id);
((List <EventSubscriptionEntity>)subscriptionsToDelete).AddRange(signalEventSubscriptions);
foreach (EventSubscriptionEntity eventSubscriptionEntity in subscriptionsToDelete)
{
eventSubscriptionEntity.Delete();
}
}
}