[EJB 3.0] - Re: Strange behaviour wit 1:n collection with EJB 3.0 and To - jboss-user

Tuesday, 30 October 2007

Hi !

normally, you have to update both sides of a relation if it is bi-directional. So, if you
want to add a BuildingsProd to a Planet, you have to do two things:

a)
BuildingsProd b = new BuildingsProd();
planet.getBuildingsProdList().add(b);

b)
b.setPlant (planet)

Hope this helps

Wolfgang

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[EJB 3.0] - Re: Strange behaviour wit 1:n collection with EJB 3.0 and To