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; }*/ }