org.apache.openjpa.event
Interface OrphanedKeyAction

All Known Implementing Classes:

ExceptionOrphanedKeyAction, LogOrphanedKeyAction, NoneOrphanedKeyAction

public interface OrphanedKeyAction

Perform an action when OpenJPA detects an orphaned key in the database.

Since:

0.3.2.2

Author:

Abe White

Method Summary

Object

orphan(Object oid, OpenJPAStateManager sm, ValueMetaData vmd) Callback received when OpenJPA discovers an orphaned key.

Method Detail

orphan

Object orphan(Object oid,
              OpenJPAStateManager sm,
              ValueMetaData vmd)

Callback received when OpenJPA discovers an orphaned key.

Parameters:

oid - the orphaned key

sm - the instance representing the record in which the key was discovered; may be null

vmd - the value in which the key was discovered

Returns:

the value to load into field fmd; typically null