1.Component映射:Object,hbm

package com.bjpowernode.hibernate;

public class Contact {

private String email;

private String address;

private String zipCode;

private String contactTel;

public String getEmail() {
return email;
}

public void setEmail(String email) {
this.email = email;
}

public String getAddress() {
return address;
}

public void setAddress(String address) {
this.address = address;
}

public String getZipCode() {
return zipCode;
}

public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}

public String getContactTel() {
return contactTel;
}

public void setContactTel(String contactTel) {
this.contactTel = contactTel;
}
}

package com.bjpowernode.hibernate;

public class Employee {

private int id;

private String name;

private Contact employeeContact;

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;
}

public Contact getEmployeeContact() {
return employeeContact;
}

public void setEmployeeContact(Contact employeeContact) {
this.employeeContact = employeeContact;
}
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.bjpowernode.hibernate.Employee" table="t_emplyee">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
<component name="employeeContact">
<property name="email"/>
<property name="address"/>
<property name="zipCode"/>
<property name="contactTel"/>
</component>
</class>
</hibernate-mapping>

package com.bjpowernode.hibernate;

public class User {

private int id;

private String name;

private Contact userContact;

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;
}

public Contact getUserContact() {
return userContact;
}

public void setUserContact(Contact userContact) {
this.userContact = userContact;
}
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.bjpowernode.hibernate.User" table="t_user">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
<component name="userContact">
<property name="email"/>
<property name="address"/>
<property name="zipCode"/>
<property name="contactTel"/>
</component>
</class>
</hibernate-mapping>