person.java

jboss4 + Mysql +ejb3.0 EJB3 简单例子

/**
 * Copyright (c)上海烟草(集团)公司与上海康时信息系统有限公司。
 */
package com.myejb.entity;

import java.io.Serializable;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.OrderBy;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;


/**
 * 建立实体Bean
 * @author xywang
 * @since 2009-2-12
 * @version 1.0
 */
@SuppressWarnings("serial")
@Entity
@Table(name="Person")
public class Person implements Serializable{
    private Integer personid;
    private String name;
    private boolean sex;
    private Short age;
    private Date birthday;
    private IDCard idcard;
    private Set<Orders> orders = new HashSet<Orders>();
    public Person(){}
    public Person(String name,boolean sex,Short age,Date birthday){
        this.name  = name;
        this.sex   = sex;
        this.age   = age;
        this.birthday = birthday;
    }
    @Id
    @GeneratedValue
    public Integer getPersonid(){
        return personid;
    }
    public void setPersonid(Integer personid){
        this.personid = personid;
    }

    @Column(nullable=false)
    public Short getAge(){
        return age;
    }
    public void setAge(Short age){
        this.age = age;
    }
    @Temporal(value=TemporalType.DATE)
    public Date getBirthday(){
        return birthday;
    }
    public void setBirthday(Date birthday){
        this.birthday = birthday;
    }
    /**
     * 使用@Transient注释标注某属性不成为持久化字段
     */
    @Transient
    public String getFirstName(){
        return "li";
    }
    @Column(name="PersonName",nullable=false,length=32)
    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name = name;
    }
    @Column(nullable=false)
    public boolean isSex(){
        return sex;
    }
    public void setSex(boolean sex){
        this.sex = sex;
    }
    @OneToOne(optional = true,cascade = CascadeType.ALL,mappedBy = "person")
    public IDCard getIdcard(){
        return idcard;
    }
    public void setIdcard(IDCard idcard){
        this.idcard = idcard;
    }
    @OneToMany(mappedBy="ower",cascade=CascadeType.ALL,fetch=FetchType.LAZY)
    @OrderBy(value="orderid ASC")
    public Set<Orders> getOrders(){
        return orders;
    }
    public void setOrders(Set<Orders> orders){
        this.orders = orders;
    }
}