4.hibernate联合主键,jpa映射

package com.bjsxt.hibernate;

public enum Gender {
	MALE, FEMALE
}

package com.bjsxt.hibernate;

import javax.persistence.Embeddable;


public class TeacherPK implements java.io.Serializable{
	private int id;
	private String name;
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}

	@Override
	public boolean equals(Object o) {
		if(o instanceof TeacherPK) {
			TeacherPK pk = (TeacherPK)o;
			if(this.id == pk.getId() && this.name.equals(pk.getName())) {
				return true;
			}
		}
		return false;
	}

	@Override
	public int hashCode() {
		return this.name.hashCode();
	}
}

package com.bjsxt.hibernate;

import java.util.Date;

import javax.persistence.EmbeddedId;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.IdClass;
import javax.persistence.SequenceGenerator;

import javax.persistence.Id;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;

@Entity
@javax.persistence.TableGenerator(
	    name="Teacher_GEN",
	    table="GENERATOR_TABLE",
	    pkColumnName = "pk_key",
	    valueColumnName = "pk_value",
	    pkColumnValue="Teacher",
	    allocationSize=1
	)

@SequenceGenerator(name="teacherSEQ", sequenceName="teacherSEQ_DB")
@IdClass(TeacherPK.class)
public class Teacher {
	//private TeacherPK pk;
	private int id;
	private String name;
	private String title; 
	private String yourWifeName;
	private Date birthDate;
	private boolean good;
	private Gender gender;

	@Enumerated(EnumType.STRING)
	public Gender getGender() {
		return gender;
	}
	public void setGender(Gender gender) {
		this.gender = gender;
	}
	public boolean isGood() {
		return good;
	}
	public void setGood(boolean good) {
		this.good = good;
	}
	@Transient
	public String getYourWifeName() {
		return yourWifeName;
	}
	public void setYourWifeName(String yourWifeName) {
		this.yourWifeName = yourWifeName;
	}
	@Id
	@GeneratedValue(strategy=GenerationType.TABLE, generator="Teacher_GEN")
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}

	@Id
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}
	@Temporal(TemporalType.TIME)
	public Date getBirthDate() {
		return birthDate;
	}
	public void setBirthDate(Date birthDate) {
		this.birthDate = birthDate;
	}

	/*@EmbeddedId
	public TeacherPK getPk() {
		return pk;
	}
	public void setPk(TeacherPK pk) {
		this.pk = pk;
	}*/
}