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">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="hibernate.connection.url">jdbc:oracle:thin:@localhost:1521:XE</property>
<property name="hibernate.connection.username">test</property>
<property name="hibernate.connection.password">test</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<mapping resource="student.hbm.xml"/>
<mapping resource="address.hbm.xml"/>
</session-factory>
</hibernate-configuration>
student.hbm.xml :
<?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="Student" table="STUDENT">
<id name="sid" column="SID">
<generator class="increment" />
</id>
<property name="snm" column="SNAME" type="java.lang.String"/>
</class>
</hibernate-mapping>
address.hbm.xml :
<?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="Address" table="ADDRS">
<id name="id" column="ID" type="java.lang.Integer">
<generator class="foreign">
<param name="property">parent</param>
</generator>
</id>
<property name="hno" column="HNO" type="java.lang.Integer"/>
<property name="city" column="CITY" type="java.lang.String"/>
<one-to-one name="parent" class="Student" cascade="all"></one-to-one>
</class>
</hibernate-mapping>
Address.java :
/**
* @author Mallik
*
*/
public class Address
{
/*
* DataMembers Declaration
*/
private Integer id;
private Integer hno;
private String city;
private Student parent;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public Integer getHno() {
return hno;
}
public void setHno(Integer hno) {
this.hno = hno;
}
public Student getParent() {
return parent;
}
public void setParent(Student parent) {
this.parent = parent;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
}
Student.java :
/**
* @author Mallik
*
*/
//parent pojo class
public class Student {
/*
* DataMembers Declaration
*/
private int sid;
private String snm;
//setters&getters
public int getSid() {
return sid;
}
public void setSid(int sid) {
this.sid = sid;
}
public String getSnm() {
return snm;
}
public void setSnm(String snm) {
this.snm = snm;
}
}
Test.java :
/**
* @author Mallik
*
*/
import java.util.*;
import org.hibernate.cfg.*;
import org.hibernate.*;
//one-to-one Application
public class Test {
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
System.out.println("nnnnnnnnnnnnnnn");
//Session Object creation
Session ses = new Configuration().configure().buildSessionFactory()
.openSession();
Student s = new Student();
s.setSnm("kiran");
Address a = new Address();
a.setId(12);
a.setCity("hyd");
a.setHno(18);
a.setParent(s);
Transaction transaction = null;
try {
transaction = ses.beginTransaction();
ses.save(a);
transaction.commit();
System.out.println("okkkkkkkkkkk");
} catch (Exception e) {
e.printStackTrace();
System.out.println(e);
if (transaction != null) {
transaction.rollback();
}
} finally
{
ses.close();
}
}
}
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">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property name="hibernate.connection.url">jdbc:oracle:thin:@localhost:1521:XE</property>
<property name="hibernate.connection.username">test</property>
<property name="hibernate.connection.password">test</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<mapping resource="vendor.hbm.xml"/>
<mapping resource="customer.hbm.xml"/>
</session-factory>
</hibernate-configuration>
customer.hbm.xml :
<?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="Customer" table="CUST">
<id name="cid" column="CID">
</id>
<property name="cnm" column="CNM" type="string"/>
<property name="vidfk" insert="false" update="false"/>
<many-to-one name="parent" class="Vendar" cascade="all" column="VIDFK"></many-to-one>
</class>
</hibernate-mapping>
vendor.hbm.xml :
<?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="Vendar" table="VEND">
<id name="vid" column="VID">
<generator class="increment" />
</id>
<property name="vnm" column="VNAME" type="java.lang.String"/>
</class>
</hibernate-mapping>
Customer.java :
package com.test.hibernate;
/**
* @author Mallik
*
*/
public class Customer {
/**
* DataMembers Declaration
*
*/
private int cid;
private String cnm;
private int vidfk;
private Vendar parent;
//setters&getters
public int getCid() {
return cid;
}
public void setCid(int cid) {
this.cid = cid;
}
public String getCnm() {
return cnm;
}
public void setCnm(String cnm) {
this.cnm = cnm;
}
public int getVidfk() {
return vidfk;
}
public void setVidfk(int vidfk) {
this.vidfk = vidfk;
}
public Vendar getParent() {
return parent;
}
public void setParent(Vendar parent) {
this.parent = parent;
}
}
Vendar.java :
package com.test.hibernate;
/**
* @author Mallik
*
*/
import java.util.*;
public class Vendar {
/**
* DataMembers Declaration
*
*/
private int vid;
private String vnm;
//setters&getters
public int getVid() {
return vid;
}
public void setVid(int vid) {
this.vid = vid;
}
public String getVnm() {
return vnm;
}
public void setVnm(String vnm) {
this.vnm = vnm;
}
}
Save.java :
/**
* @author Mallik
*
*/
package com.test.hibernate;
import java.util.*;
import org.hibernate.cfg.*;
import org.hibernate.*;
public class Save {
/**
* @param args
*/
public static void main(String[] args) {
Session ses=new Configuration().configure().buildSessionFactory().openSession();
Vendar v=new Vendar();
v.setVid(11);
v.setVnm("kiran");
Customer c1=new Customer();
Customer c2=new Customer();
c1.setCid(177);
c1.setCnm("ram");
c1.setParent(v);
c1.setVidfk(v.getVid());
c2.setCid(175);
c2.setCnm("ram1");
c2.setParent(v);
c2.setVidfk(v.getVid());
Transaction transaction = null;
try {
transaction = ses.beginTransaction();
ses.save(c1);
ses.save(c2);
transaction.commit();
System.out.println("successfull !!!!!!!!!!!!!!!!!!!!!!!!!!! ");
} catch (Exception e)
{
System.out.println(e);
if (transaction != null) {
transaction.rollback();
}
} finally {
ses.close();
}
}
}
Select.java :
package com.test.hibernate;
/**
* @author Mallik
*
*/
import java.util.*;
import org.hibernate.cfg.*;
import org.hibernate.*;
public class Select {
public static void main(String[] args)throws Exception {
//to getting Session object
Session ses=new Configuration().configure().buildSessionFactory().openSession();
Object o=ses.get(Customer.class,new Integer(68));
//typecasting Object class into Customer class
Customer c=(Customer)o;
System.out.println(""+c.getCnm());
Vendar v=c.getParent();
System.out.println(""+v.getVnm());
System.out.println(""+v.getVid());
ses.close();
}
}
