KeyForeignKey (OpenJPA Parent POM 4.0.0 API)

@Target({METHOD,FIELD})
@Retention(RUNTIME)
public @interface KeyForeignKey

Foreign key on map key columns.

Since:: 0.4.0, 1.1.0
Author:: Abe White

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`boolean`	`deferred`
`ForeignKeyAction`	`deleteAction`
`boolean`	`enabled`
`java.lang.String`	`name`
`ForeignKeyAction`	`updateAction`

- Element Detail
  - name
```
java.lang.String name
```
    Default:
    
    ""
- - enabled
```
boolean enabled
```
    Default:
    
    true
- - deferred
```
boolean deferred
```
    Default:
    
    false
- - deleteAction
```
ForeignKeyAction deleteAction
```
    Default:
    
    org.apache.openjpa.persistence.jdbc.ForeignKeyAction.RESTRICT
- - updateAction
```
ForeignKeyAction updateAction
```
    Default:
    
    org.apache.openjpa.persistence.jdbc.ForeignKeyAction.RESTRICT