protected internal virtual void RemoveObsoleteEventSubscriptionsImpl(IProcessDefinitionEntity processDefinition, string eventHandlerType)
{
// remove all subscriptions for the previous version
IEventSubscriptionEntityManager eventSubscriptionEntityManager = Context.CommandContext.EventSubscriptionEntityManager;
IList <IEventSubscriptionEntity> subscriptionsToDelete = eventSubscriptionEntityManager.FindEventSubscriptionsByTypeAndProcessDefinitionId(eventHandlerType, processDefinition.Id, processDefinition.TenantId);
foreach (IEventSubscriptionEntity eventSubscriptionEntity in subscriptionsToDelete)
{
eventSubscriptionEntityManager.Delete(eventSubscriptionEntity);
}
}