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13.hibernate一对一单向联合主键外键关联,jpa映射

来源: xukongmoji 分享至:
husband表结构:

wife表结构:

package com.bjsxt.hibernate; import java.io.Serializable; public class WifePK implements 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; } }


package com.bjsxt.hibernate; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.IdClass; @Entity @IdClass(WifePK.class) public class Wife { private int id; private String name; private int age; public int getAge() { return age; } public void setAge(int age) { this.age = age; } @Id 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; } }


package com.bjsxt.hibernate; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.JoinColumns; import javax.persistence.OneToOne; @Entity public class Husband { private int id; private String name; private Wife wife; @Id @GeneratedValue public int getId() { return id; } public String getName() { return name; } @OneToOne @JoinColumns( { @JoinColumn(name="wifeId", referencedColumnName="id"), @JoinColumn(name="wifeName", referencedColumnName="name") } ) public Wife getWife() { return wife; } public void setId(int id) { this.id = id; } public void setName(String name) { this.name = name; } public void setWife(Wife wife) { this.wife = wife; } }
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