[jboss-user] [EJB 3.0] - deletion of few elements in one to many collection.

[jdijkmeijer]

Hi I'm trying to remove a few child elements from a onetomany relationship.
like :
  | for (Role r : presentRolesToRemove.keySet()) {
  | 	focusSubject.getActors().remove(presentRolesToRemove.get(r));
  | }
  | 
(presentRolesToRemove being a Map<Role,Actor>)
But doing a  em.merge(focusSubject);  does not remove the childs from the database. Should I do a  em.delete(presentRolesToRemove.get(r)); explicitely within the for-loop?
Or is there annotation to circumvent this manual deletion?

Thanks in advance.
jeroen.

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