@Target(value={METHOD,FIELD})
 @Retention(value=RUNTIME)
public @interface MapKeyEnumerated

 Example:
 public enum ProjectStatus {COMPLETE, DELAYED, CANCELLED, IN_PROGRESS}
 public enum SalaryRate {JUNIOR, SENIOR, MANAGER, EXECUTIVE}
 @Entity public class Employee {
 @ManyToMany
 public Projects<ProjectStatus, Project> getProjects() {...}
 
 @OneToMany
 @MapKeyEnumerated(STRING)
 public Map<SalaryRate, Employee> getEmployees() {...}
 ...
 }
 

Since:

Java Persistence 2.0

See Also:

ElementCollection, OneToMany, ManyToMany

• Optional Element Summary

  Optional Elements

  Modifier and Type	Optional Element and Description
  EnumType	value (Optional) The type used in mapping a map key enum type.

• Element Detail

  • value

    public abstract EnumType value

    (Optional) The type used in mapping a map key enum type.

    Default:

    javax.persistence.EnumType.ORDINAL