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one-to-one bidirectional association saveorupdate()

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unnisa

Post subject: one-to-one bidirectional association saveorupdate()

Posted: Mon May 15, 2006 11:57 pm

Newbie

Joined: Thu May 04, 2006 11:34 pm
Posts: 6

Need help with Hibernate? Read this first:
http://www.hibernate.org/ForumMailingli ... AskForHelp

Hibernate version: 3.0.x

Mapping documents:

Code between sessionFactory.openSession() and session.close():

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I have created a one-to-one bi directional association using foriegn key between two tables and able to get both the tables fields.

Can anyone help me how the saveorUpdate works with this kind of association.I am setting one object(table) into another using set method and passing the object to save.Only one table is getting updated or saved.
How do I update both the tables.Can anyone give me an example of this

Thanks

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bkmr_77

Post subject:

Posted: Tue May 16, 2006 12:04 am

Expert

Joined: Tue Apr 25, 2006 12:04 pm
Posts: 260

try to play with cascade options available on the association.

cascade="save,update"
cascase="all-delete-orphan"
and.......

ex:
<set name="" inverse="true" lazy="true" cascade="all-delete-orphan">

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emilSverige

Post subject:

Posted: Tue May 16, 2006 10:51 am

Beginner

Joined: Tue Nov 22, 2005 5:33 am
Posts: 31

I had this problem a while ago with abidirectional one-to-many mappings.

It seems the only way of doing this is to save both of the objects:

EntityClass1 object1 = new EntityClass1();
EntityClass2 object2 = new EntityClass2();

session.saveOrUpdate( object1 ); // Saves the first object
object2.setTheOtherObject( object1 ); // Sets the relation
session.saveOrUpdate( object2 ); // Save the other object

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