24.1.46. @MapKeyTemporal

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The [`@MapKeyTemporal`](http://docs.oracle.com/javaee/7/api/javax/persistence/MapKeyTemporal.html) annotation is used to specify that the key of `java.util.Map` association is a [`@TemporalType`](http://docs.oracle.com/javaee/7/api/javax/persistence/TemporalType.html) (e.g. `DATE`, `TIME`, `TIMESTAMP`).

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See the [`@MapKeyTemporal` mapping](#collections-map-unidirectional-example) section for more info.

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