Module persistence.api
Package javax.persistence

Annotation Type MapKeyTemporal

@Target(FIELD) @Retention(RUNTIME) public @interface MapKeyTemporal
This annotation must be specified for persistent map keys of type Date and Calendar. It may only be specified for map keys of these types.

The MapKeyTemporal annotation can be applied to an element collection or relationship of type java.util.Map in conjunction with the ElementCollection, OneToMany, or ManyToMany annotation. 

     Example:

     @OneToMany
     @MapKeyTemporal(DATE)
     protected java.util.Map<java.util.Date, Employee> employees;
Since:
Java Persistence 2.0

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    TemporalType
    value
    (Required) The type used in mapping java.util.Date or java.util.Calendar.

  • Element Details

    • value

      TemporalType value
      (Required) The type used in mapping java.util.Date or java.util.Calendar.
      Returns:
      The type used