So, if I want ODMG deletes objects and their rows in dabatase I must to use DList instead List, don�t?
-----Mensaje original----- De: Thomas Mahler [mailto:[EMAIL PROTECTED]] Enviado el: martes, 08 de octubre de 2002 20:35 Para: OJB Users List Asunto: Re: Collections or DCollections? Hi Jose, Jose Galiana wrote: > Works ODMG better if the collection-description elements in classes are > DCollections (DList, etc.. ) than traditional java.util.collection? Why? > If you want to have collection that are aware of removing and adding items you'll have to use DList. If you don't need such a feature you can use normal collections as well. The DList collection bring a lot of overhead with them. If you need ODMG compatibility you should use them. > If I don�t use auto-delte in ODMG collections, how ODMG deletes the rows in > database? ODMG tracks all objects that can be reached from an object that is locked to the transaction. Thus the transaction is aware of which object must be deleted. The PB kernel cannot do this, as it does not track the state of objects. cheers, Thomas > > Thanks in advance > Jose Galiana > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
