classeo.java

学生成绩管理系统JPA做的

package com.fengmanfei.student.entity;

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

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;

@Entity
@Table(name = "tb_class")
public class ClassEO implements Serializable {

	private static final long serialVersionUID = 4231121505530870021L;

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private Integer id;

	@Column
	private String name;

	@OneToMany(fetch = FetchType.LAZY, mappedBy = "classEO")
	private Set<StudentEO> students = new HashSet<StudentEO>();

	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;
	}

	public Set getStudents() {
		return students;
	}

	public void setStudents(Set<StudentEO> students) {
		this.students = students;
	}

}