① Ing component properties ①: component properties are of the basic type

Component PropertiesThe persistence class is not a basic data type, nor is it a string, date, or other scalar type variable, but a composite type object. During the persistence process, it is used only as the value type, rather than referencing another Persistent Object.

Hibernate. cfg. xml:

<?xml version='1.0' encoding='UTF-8'?><!DOCTYPE hibernate-configuration PUBLIC          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"><!-- Generated by MyEclipse Hibernate Tools.                   -->
Person. Java:
public class Person {private int id;private int age;private Name name;public int getId() {return id;}public void setId(int id) {this.id = id;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public Name getName() {return name;}public void setName(Name name) {this.name = name;}}
Name. Java:
public class Name {private String firstname;private String lastname;private Person owner;public Name() {}public Name(String firstname, String lastname) {this.firstname = firstname;this.lastname = lastname;}public String getFirstname() {return firstname;}public void setFirstname(String firstname) {this.firstname = firstname;}public String getLastname() {return lastname;}public void setLastname(String lastname) {this.lastname = lastname;}public Person getOwner() {return owner;}public void setOwner(Person owner) {this.owner = owner;}}
Person. HBM. xml:
<? XML version = "1.0"?> <! Doctype hibernate-mapping public "-// hibernate/hibernate DTD ing DTD 3.0 // en" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 
Test. Java:
Public class test {public static void main (string [] ARGs) {session = hibernatesessionfactory. getsession (); transaction TXT = session. begintransaction (); person p1 = new person (); p1.setage (20); p1.setname (new name ("", ""); person P2 = new person (); p2.setage (25); p2.setname (new name ("Zhang", "Sanfeng"); Session. save (P1); Session. save (P2); TXT. commit (); hibernatesessionfactory. closesession ();}}