OrphanedKeyAction (OpenJPA Parent POM 4.0.0 API)

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.Object`	`orphan(java.lang.Object oid, OpenJPAStateManager sm, ValueMetaData vmd)`	Callback received when OpenJPA discovers an orphaned key.

- Method Detail
  - orphan
```
java.lang.Object orphan(java.lang.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