Package javax.persistence
Annotation Type MapKeyJoinColumns
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@Target({METHOD,FIELD}) @Retention(RUNTIME) public @interface MapKeyJoinColumns
Supports composite map keys that reference entities.The
MapKeyJoinColumns
annotation groupsMapKeyJoinColumn
annotations. When theMapKeyJoinColumns
annotation is used, both thename
and thereferencedColumnName
elements must be specified in each of the groupedMapKeyJoinColumn
annotations.- Since:
- Java Persistence 2.0
- See Also:
MapKeyJoinColumn
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Required Element Summary
Required Elements Modifier and Type Required Element Description MapKeyJoinColumn[]
value
(Required) The map key join columns that are used to map to the entity that is the map key.
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Element Detail
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value
MapKeyJoinColumn[] value
(Required) The map key join columns that are used to map to the entity that is the map key.
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