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[eclipselink-users] @OneToMany on fields with em.persist() - Different behavior for EclipseLink 2.1
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Hi,
we're developping an eclipse-rcp-application using Eclipselink. We have an Entity Group and an Entity Person with a OneToMany Relationship from Group to Person:
@Entity
Group{
@OneToMany(mappedBy="m_group")
public List<Person> m_persons;
}
Using this we're doing the following:
Group g = new Group();
em.persist(g);
On EclipseLink 1.1 (Galileo-Release) g.m_persons was set to an "Lazy-Instance" Set after this call to persist(). But with eclipse 2.1 (Helios) g.m_persons is null.
Why is there a change of semantic? Can I get the "old" behavior? When setting Cascade=Cascade.Persist it seems to work. But we have many Entities in a similar way in our application and this would need us to change big parts of our persistence-logic :-( Furthermore I don't know what other Problems this would cause. Are there more such semantic-changes with Eclipselink 2.1?
Best regards
Johannes
