1 1
Customer------------------------------->
Address
---------------------------------Address
Class----------------------------
package hibernate.onetoone;
public class Address {
private int addId;
private String street;
private String city;
private String state;
public Address(String street, String
city, String state) {
this.street = street;
this.city = city;
this.state = state;
}
// getters and setters
}
-------------------Customer
Class---------------------------------
package hibernate.onetoone;
public class Customer {
private int cid;
private String cname;
private String email;
private String phone;
private String bal;
private Address address;
public Customer (String cname,String
email,String phone,String bal,Address address){
this.cname = cname;
this.email = email;
this.phone = phone;
this.bal = bal;
this.address = address;
}
//getters and setters
}
---------------------Address.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="hibernate.onetoone">
<class name="Address"
table="ADDRESS">
<id name="addId">
<generator
class="increment" />
</id>
<property name="street"
/>
<property name="city"
/>
<property name="state"
/>
</class>
</hibernate-mapping>
------------------------------Customer.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="hibernate.onetoone">
<class name="Customer"
table="CUSTOMER">
<id name="cid">
<generator
class="increment" />
</id>
<property name="cname"
/>
<property name="email"
/>
<property name="phone"
/>
<property name="bal"
/>
<many-to-one
name="address" class="Address" column="addId"
unique="true"></many-to-one>
</class>
</hibernate-mapping>
---------------------hibernate.cfg.xml-----------------
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration
DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property
name="hibernate.connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
<property
name="hibernate.connection.url">jdbc:oracle:thin:@Mukesh-PC:1521/XE</property>
<property
name="hibernate.connection.username">mukesh</property>
<property
name="hibernate.connection.password">mukesh</property>
<property
name="hibernate.connection.pool_size">10</property>
<property
name="hibernate.show_sql">true</property>
<property name="hibernate.dialect">org.hibernate.dialect.OracleDialect</property>
<property
name="hibernate.hbm2ddl.auto">update</property>
<property
name="hibernate.format_sql">true</property>
<!-- Mapping files -->
<mapping
resource="hibernate/onetoone/Address.hbm.xml" />
<mapping
resource="hibernate/onetoone/Customer.hbm.xml" />
</session-factory>
</hibernate-configuration>
-------------------------------------HibernateUtil.java-------------------
package hibernate.onetoone;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class HibernateUtil {
public static final ThreadLocal session
= new ThreadLocal();
public static final SessionFactory
sessionFactory;
public static Session currentSession()
throws HibernateException {
Session s = (Session) session.get();
if (s == null) {
s = sessionFactory.openSession();
session.set(s);
}
return s;
}
static {
try {
String xml =
"hibernate/onetoone/hibernate.cfg.xml";
Configuration config = new
Configuration().configure(xml);
sessionFactory =
config.buildSessionFactory();
} catch (Throwable ex) {
System.err.println("Initial
SessionFactory creation failed." + ex);
throw new
ExceptionInInitializerError(ex);
}
}
}
--------------------------HibernateMain.java------------------------
import org.hibernate.Session;
import org.hibernate.Transaction;
public class HibernateMain {
public static void main(String[] args)
{
Session session =
HibernateUtil.currentSession();
Transaction tx =
session.beginTransaction();
Address add = new
Address("MSR", "bangalore", "KA");
session.save(add);
Customer cust = new
Customer("Mukesh", "a@b.com", "22222",
"1000", add);
cust.setAddress(add);
session.save(cust);
tx.commit();
session.close();
}
}
