Could someone give me some insight into the correct way to save entities that
are joined over their primary key?
I have two entities: Field and FieldAccess. They both share the same primary
key and have a relation over their primary key:
class Field {
@OneToOne (mappedBy = "field")
protected FieldAccess fieldAccess;
}
class FieldAccess {
@OneToOne
@PrimaryKeyJoinColumn(name = "fieldid", referencedColumnName = "fieldid")
protected Field field;
}
I'm using Oracle Sequences to generate primary keys.
When saving a new entity, how does the primary key get propagated from one
entity to the other? I've tried the following but the primary keys never end
up being the same:
FieldAccess fieldAccess = new FieldAccess();
entityManager.persist(fieldAccess);
Field field = new Field();
field.setFieldAccess(fieldAccess);
fieldAccess.setField(field);
entityManager.persist(field);
What am I missing?
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