Hibernate中Entity实体类的写法

记录下一个Entity类的写法，方便以后查阅：

 package com.bupt.auth.entity;

 import java.util.Date;

 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;

 @Entity
 @Table(name="token")
 public class Token {
     @Id
     @GeneratedValue(strategy=GenerationType.IDENTITY)
     @Column(name="id", unique=true, nullable=false)
     private Long id;

     @Column(name="info")
     private String info;

     @Column(name="starttime")
     private Date starttime;

     @Column(name="endtime")
     private Date endtime;

     @ManyToOne(targetEntity=User.class)
     @JoinTable(name="userToken",
             joinColumns=@JoinColumn(name="token_id",referencedColumnName="id",unique=true),
             inverseJoinColumns=@JoinColumn(name="user_id",referencedColumnName="id"))
     private User user;

     public Long getId() {
         return id;
     }
     public void setId(Long id) {
         this.id = id;
     }
     public String getInfo() {
         return info;
     }
     public void setInfo(String info) {
         this.info = info;
     }
     public Date getStarttime() {
         return starttime;
     }
     public void setStarttime(Date starttime) {
         this.starttime = starttime;
     }
     public Date getEndtime() {
         return endtime;
     }
     public void setEndtime(Date endtime) {
         this.endtime = endtime;
     }
     public User getUser() {
         return user;
     }
     public void setUser(User user) {
         this.user = user;
     }

 }