student.java

ejb源代码

package com.bjsxt.ejb;

import java.io.Serializable;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.PostPersist;
import javax.persistence.PrePersist;

@Entity
public class Student implements Serializable{
	
	@Id
	@GeneratedValue
	private Integer id;
	
	private String name;
	
	@ManyToOne
	private Classes classes;

	public Classes getClasses() {
		return classes;
	}

	public void setClasses(Classes classes) {
		this.classes = classes;
	}

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}
	
	@PrePersist
	public void dosomething(){
		System.out.println("Student【"+name+"】即将被保存！ ");
	}
	
	@PostPersist
	public void dosomething2(){
		System.out.println("Student【"+name+"】已经被保存！ ");
	}
}