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Q: I am new to OJB. I wonder if OJB has something like Hibernate's component mapping, which makes code structure better and reuse easier.

A: Yes that's possible with OJB too! You have to tell OJB to use a PersistentField implementation supporting this in OJB.properties first, as it is not yet implemented in the default implementation:


if your class has an attribute "address" of type Adress, the mapping for the "street" attribute of "address" would look like follows:

{{{ <field-descriptor id="10"

  • name="adress->street" column="ADR_STREET" jdbc-type="VARCHAR"

  • /> }}}

OjbNestedFields (last edited 2009-09-20 22:56:17 by localhost)