Hibernate组件映射(annotation/xml)

1.annotatiton

实体类的一部分

Wife.java

package com.test.hiberenate.model;

public class Wife {
	private String name;
	private int age;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

}

 

实体类

Husband.java

package com.test.hiberenate.model;

import javax.persistence.AttributeOverride;
import javax.persistence.AttributeOverrides;
import javax.persistence.Column;
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

@Entity
public class Husband {
	private int id;
	private String name;
	private Wife wife;

	@Id
	@GeneratedValue
	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;
	}

	@Embedded
	@AttributeOverrides({
		@AttributeOverride(name="name", column=@Column(name="wife_name"))
	})
	public Wife getWife() {
		return wife;
	}

	public void setWife(Wife wife) {
		this.wife = wife;
	}

}

 

2.xml

Husband.hbm.xml

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="com.test.hiberenate.model">
	<class name="Husband">
		<id name="id">
			<generator class="native"></generator>
		</id>
		<property name="name" />
		<component name="wife">
			<property name="name" column="wife_name"></property>
			<property name="age"></property>
		</component>
	</class>
</hibernate-mapping>