Package javax.persistence
Annotation Type MapKeyJoinColumns
Supports composite map keys that reference entities.
The MapKeyJoinColumns
annotation groups
MapKeyJoinColumn
annotations. When the
MapKeyJoinColumns
annotation is used, both the
name
and the referencedColumnName
elements must be specified in each of the grouped
MapKeyJoinColumn
annotations.
- Since:
- Java Persistence 2.0
- See Also:
-
Required Element Summary
Required ElementsModifier and TypeRequired ElementDescription(Required) The map key join columns that are used to map to the entity that is the map key.
-
Element Details
-
value
MapKeyJoinColumn[] value(Required) The map key join columns that are used to map to the entity that is the map key.
-