Hibernate one-to-one xml mapping

Ex6:

//Hibernate one-to-one xml mapping

     JAVA-SERVLETS     JAVA-JDBC     JAVA-JSP       HIBERNATE-SHCEMABASED 

    HIBERNATE-ANNOTATIONS     SPRING-IOC       SPRING –AOP-SCHEMABASED   

    SPRING-AOP-ANNOTATIONS      SPRING -DAO     SPRIN-MVC     SPRING-SECUTITY

     SPRING-DATA-JPA     REST-WEB-SERVICE     STRUTS2HIBERNATE    GWT.... 

Employee.java

package madhav;

public class Employee {

     

      private int empno;

      private String ename;

       

      private PersonalDetails personalDetails;

      public PersonalDetails getPersonalDetails() {

            return personalDetails;

      }

      public void setPersonalDetails(PersonalDetails personalDetails) {

            this.personalDetails = personalDetails;

      }

      public int getEmpno() {

            return empno;

      }

      public void setEmpno(int empno) {

            this.empno = empno;

      }

      public String getEname() {

            return ename;

      }

      public void setEname(String ename) {

            this.ename = ename;

      }

}

PersonalDetails.java

package madhav;

public class PersonalDetails{

      private int empno;

      private String firstname;

      private String lastname;

      private Employee employee;

      public Employee getEmployee() {

            return employee;

      }

      public void setEmployee(Employee employee) {

            this.employee = employee;

      }

      public int getEmpno() {

            return empno;

      }

      public void setEmpno(int empno) {

            this.empno = empno;

      }

      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;

      }

}

employee.bhm.xml

<?xml version="1.0" encoding="UTF-8"?>

 <!DOCTYPE hibernate-mapping PUBLIC

"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="madhav">

  <class name="Employee" table="employee">

   <id name="empno" type="int">

   <column name="empno"></column>

   <generator class="increment"/>

  </id>

  <property name="ename">

   <column name="ename" />

   </property>

  <one-to-one name="personalDetails" class="PersonalDetails">

     

  </one-to-one>

 </class>

</hibernate-mapping>

personaldetails.hbm.xml

<?xml version="1.0" encoding="UTF-8"?>

 <!DOCTYPE hibernate-mapping PUBLIC

"-//Hibernate/Hibernate Mapping DTD 3.0//EN"

"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="madhav">

  <class name="PersonalDetails" table="personaldetails">

   <id name="empno" type="int" column="empno" >

   <generator class="increment"/>

  </id>

  <property name="firstname">

   <column name="firstname" />

  </property>

  <property name="lastname">

  <column name="lastname"/>

  </property>

 

  <one-to-one name="employee" class="Employee">

  </one-to-one>

 </class>

 

</hibernate-mapping>

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.                   -->

<hibernate-configuration>

    <session-factory>

        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

        <property name="connection.url">jdbc:mysql://localhost:3306/mysql</property>

        <property name="connection.username">madhav</property>

        <property name="connection.password">madhav</property>

        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

        <property name="show_sql">true</property>

    <mapping resource="employee.hbm.xml"/>

    <mapping resource="personaldetails.hbm.xml"/>

    </session-factory>

</hibernate-configuration>

TestCase.java

package madhav;

import org.hibernate.SessionFactory;

import org.hibernate.classic.Session;

import org.hibernate.cfg.*;

import org.hibernate.*;

import org.apache.log4j.*;

public class TestCase {

     SessionFactory factory;

     public void createEmp()

     {

      Session session=null;

      Transaction tx=null;

      try

      {        

                  session =factory.openSession();

                  

                 

tx=session.beginTransaction();

PersonalDetails pd=new PersonalDetails();

Employee e=new Employee();

pd.setFirstname("abc");

pd.setLastname("rao");

pd.setEmployee(e);

e.setEname("madhav");

e.setPersonalDetails(pd);

session.save(e);

               session.save(pd);        

                  tx.commit();

                  System.out.println("record inserted");       

      }

      catch(HibernateException e)

      {       

     e.printStackTrace();

                  

      }

     }

     public static void main(String[] args) {

                 // TODO Auto-generated method stub

      System.out.println("first");

                 TestCase t=new TestCase();

                 Configuration cfg=new Configuration();

                 cfg.configure();

                 System.out.println("break 2");

t.factory=cfg.buildSessionFactory();

t.createEmp();

System.out.println("execution over");

     }

}

Output-console:

 

                                       

Related Topics:

1. hibernate-basic-example(xml-based)
2. hibernate-inheritance-tableforclass-hierarchy(xml-based)
3. hibernate-inheritance-joinsubclass-(xml-based)
4. hibernate-inheritance-tableforconcreteclass(xml-based)
5. hibernate-onetoone-relation(xml-based)
6. hibernate-onetomany-relation(xml-based)
7. hibernate-manytomany-relation(xml-based)
8. hibernate-basic-example(Annotation-based)
9. hibernate-inheritance-tableforclass-hierarchy(Annotation-based)
10. hibernate-inberitance-joinsubclass-(Annotation-based)
11. hibernate-inheritance-tableforconcreteclass(Annotation-based)
12. hibernate-onetoone-relation(Annotation-based)
13. hibernate-onetomany-relation(Annotation-based)
14. hibernate-manytomany-relation(Annotation-based)