javax.persistence

Annotation Type MapKeyTemporal

@Target(value={METHOD,FIELD})
 @Retention(value=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 and Description
TemporalType	value (Required) The type used in mapping java.util.Date or java.util.Calendar.

Element Detail

value

public abstract TemporalType value

(Required) The type used in mapping java.util.Date or java.util.Calendar.

Returns:

The type used