Hibernate4组件映射

Java代码

 

1. public class Customer  {   
2.   
3.     private Integer id;   
4.     private String name;   
5.   
6.     private Address homeAddress;  //家庭地址   
7.     private Address comAddress;   //公司地址   
8.   
9.     // getter and setter   
10. }  

public class Customer  {	private Integer id;	private String name;	private Address homeAddress;  //家庭地址	private Address comAddress;   //公司地址	// getter and setter}

 

Java代码

 

1. public class Address  {   
2.   
3.     private String province;   
4.     private String city;   
5.     private String street;   
6.     private String zipcode;   
7.        //private Customer customer;   
8.   
9.     // getter and setter   
10. }  

public class Address  {	private String province;	private String city;	private String street;	private String zipcode;       //private Customer customer;	// getter and setter}

 

Xml代码

 

1. <hibernate-mapping package="mypack">  
2.     <class name="Customer" table="tbl_customer">  
3.         <id name="id">  
4.             <generator class="increment" />  
5.         </id>  
6.         <property name="name" />  
7.         <component name="homeAddress" class="Address">  
8.             <!-- <parent name="customer" /> -->  
9.             <property name="province" column="home_province" />  
10.             <property name="city" column="home_city" />  
11.             <property name="street" column="home_street" />  
12.             <property name="zipcode" column="home_zipcode" />  
13.         </component>  
14.         <component name="comAddress" class="Address">  
15.             <!-- <parent name="customer" /> -->  
16.             <property name="province" column="com_province" />  
17.             <property name="city" column="com_city" />  
18.             <property name="street" column="com_street" />  
19.             <property name="zipcode" column="com_zipcode" />  
20.         </component>  
21.     </class>  
22. </hibernate-mapping>  

<hibernate-mapping package="mypack">	<class name="Customer" table="tbl_customer">		<id name="id">			<generator class="increment" />		</id>		<property name="name" />		<component name="homeAddress" class="Address">			<!-- <parent name="customer" /> -->			<property name="province" column="home_province" />			<property name="city" column="home_city" />			<property name="street" column="home_street" />			<property name="zipcode" column="home_zipcode" />		</component>		<component name="comAddress" class="Address">			<!-- <parent name="customer" /> -->			<property name="province" column="com_province" />			<property name="city" column="com_city" />			<property name="street" column="com_street" />			<property name="zipcode" column="com_zipcode" />		</component>	</class></hibernate-mapping>

 

Java代码

 

1. @Entity  
2. @Table(name = "tbl_customer")   
3. public class Customer {   
4.   
5.     @Id  
6.     @GenericGenerator(name = "myIncrement", strategy = "increment")   
7.     @GeneratedValue(generator = "myIncrement")   
8.     private Integer id;   
9.   
10.     @Column(name = "name")   
11.     private String name;   
12.   
13.     @Embedded  
14.     @AttributeOverrides({ @AttributeOverride(name = "province", column = @Column(name = "home_province")),   
15.             @AttributeOverride(name = "city", column = @Column(name = "home_city")),   
16.             @AttributeOverride(name = "street", column = @Column(name = "home_street")),   
17.             @AttributeOverride(name = "zipcode", column = @Column(name = "home_zipcode")) })   
18.     private Address homeAddress;   
19.   
20.     @Embedded  
21.     @AttributeOverrides({ @AttributeOverride(name = "province", column = @Column(name = "com_province")),   
22.             @AttributeOverride(name = "city", column = @Column(name = "com_city")),   
23.             @AttributeOverride(name = "street", column = @Column(name = "com_street")),   
24.             @AttributeOverride(name = "zipcode", column = @Column(name = "com_zipcode")) })   
25.     private Address comAddress;   
26.   
27.     // getter and setter   
28. }  

@Entity@Table(name = "tbl_customer")public class Customer {	@Id	@GenericGenerator(name = "myIncrement", strategy = "increment")	@GeneratedValue(generator = "myIncrement")	private Integer id;	@Column(name = "name")	private String name;	@Embedded	@AttributeOverrides({ @AttributeOverride(name = "province", column = @Column(name = "home_province")),			@AttributeOverride(name = "city", column = @Column(name = "home_city")),			@AttributeOverride(name = "street", column = @Column(name = "home_street")),			@AttributeOverride(name = "zipcode", column = @Column(name = "home_zipcode")) })	private Address homeAddress;	@Embedded	@AttributeOverrides({ @AttributeOverride(name = "province", column = @Column(name = "com_province")),			@AttributeOverride(name = "city", column = @Column(name = "com_city")),			@AttributeOverride(name = "street", column = @Column(name = "com_street")),			@AttributeOverride(name = "zipcode", column = @Column(name = "com_zipcode")) })	private Address comAddress;	// getter and setter}

 

Java代码

 

1. @Embeddable  
2. public class Address implements Serializable {   
3.   
4.     private String province;   
5.     private String city;   
6.     private String street;   
7.     private String zipcode;   
8.   
9.     //@Transient   
10.     //private Customer customer;   
11.   
12.     // getter and setter   
13. }  

@Embeddablepublic class Address implements Serializable {	private String province;	private String city;	private String street;	private String zipcode;	//@Transient	//private Customer customer;	// getter and setter}

 

Java代码

 

1. Customer customer = new Customer();   
2.             Address homeAddress = new Address("province1", "city1", "street1", "100001");   
3.             Address comAddress = new Address("province2", "city2", "street2", "200002");   
4.             customer.setName("Tom");   
5.             customer.setHomeAddress(homeAddress);   
6.             customer.setComAddress(comAddress);   
7.   
8.             session.save(customer);  

Customer customer = new Customer();			Address homeAddress = new Address("province1", "city1", "street1", "100001");			Address comAddress = new Address("province2", "city2", "street2", "200002");			customer.setName("Tom");			customer.setHomeAddress(homeAddress);			customer.setComAddress(comAddress);			session.save(customer);

 

Sql代码

 

1. Hibernate:    
2.     create table tbl_customer (   
3.         id integer not null,   
4.         name varchar(255),   
5.         home_province varchar(255),   
6.         home_city varchar(255),   
7.         home_street varchar(255),   
8.         home_zipcode varchar(255),   
9.         com_province varchar(255),   
10.         com_city varchar(255),   
11.         com_street varchar(255),   
12.         com_zipcode varchar(255),   
13.         primary key (id)   
14.     )