Enumerated (Java EE 5 SDK)

Java

previous page next page

概述

软件包

类

树

已过时

索引

帮助

Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.

上一个类 下一个类

框架 无框架

摘要: REQUIRED | OPTIONAL

详细信息: ELEMENT

javax.persistence Annotation Type Enumerated

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

Specifies that a persistent property or field should be persisted as a enumerated type. It may be used in conjunction with the Basic annotation.

   Example:

   public enum EmployeeStatus {FULL_TIME, PART_TIME, CONTRACT}

   public enum SalaryRate {JUNIOR, SENIOR, MANAGER, EXECUTIVE}

   @Entity public class Employee {
       public EmployeeStatus getStatus() {...}
       @Enumerated(STRING)
       public SalaryRate getPayScale() {...}
       ...
   }