import java.util.*;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.orm.hibernate3.HibernateCallback;

import java.sql.*;
import org.hibernate.*;
import org.hibernate.criterion.*;

public class Main {


public static void main(String[] args) {
HibernateUtil.setup("create table EVENTS ( uid int, name VARCHAR, start_Date date, duration int);");

// hibernate code start
HibernateFactory.buildSessionFactory();
SessionFactory sessionFactory= HibernateFactory.getSessionFactory();
HibernateTemplate template= new HibernateTemplate(sessionFactory);


Event event1 = new Event("Event 1");
Event event2 = new Event("Event 2");
Event event3 = new Event("Event 3");

template.save(event1);
template.save(event2);
template.save(event3);

template.execute(new HibernateCallback() {
public Object doInHibernate(Session session) throws HibernateException, SQLException {
Query query = session.createQuery("from Event");
query.setMaxResults(2);
List events = query.list();
for (Iterator it = events.iterator(); it.hasNext();) {
Event event = (Event) it.next();
System.out.println(event.getName());
event.setDuration(60);
}
return null;
}
});

HibernateUtil.checkData("select uid, name from events");

HibernateFactory.closeFactory();

// hibernate code end
}

}


/////////////////////////////////////////////////////////////////////////

<?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="Event" table="events">
<id name="id" column="uid" type="long">
<generator class="increment"/>
</id>
<property name="name" type="string"/>
<property name="startDate" column="start_date" type="date"/>
<property name="duration" type="integer"/>
</class>
</hibernate-mapping>




/////////////////////////////////////////////////////////////////////////


import java.io.Serializable;
import java.util.Date;
import java.util.Set;
import java.util.LinkedHashSet;

public class Event implements Serializable {
private Long id;
private int duration;
private String name;
private Date startDate;

public Event() {

}

public Event(String name) {
this.name = name;
}

/**
* @hibernate.id generator-class="native" column="uid"
* @return
*/
public Long getId() { return id; }
public void setId(Long id) { this.id = id; }

/**
* @hibernate.property column="name"
* @return
*/
public String getName() { return name; }
public void setName(String name) { this.name = name; }

/**
* @hibernate.property column="start_date"
* @return
*/
public Date getStartDate() { return startDate; }
public void setStartDate(Date startDate) { this.startDate = startDate; }

/**
* @hibernate.property column="duration"
* @return
*/
public int getDuration() { return duration; }
public void setDuration(int duration) { this.duration = duration; }

}


/////////////////////////////////////////////////////////////////////////


/**
* Represents Exceptions thrown by the Data Access Layer.
*/
public class DataAccessLayerException extends RuntimeException {
public DataAccessLayerException() {
}

public DataAccessLayerException(String message) {
super(message);
}

public DataAccessLayerException(Throwable cause) {
super(cause);
}

public DataAccessLayerException(String message, Throwable cause) {
super(message, cause);
}
}


/////////////////////////////////////////////////////////////////////////

<?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="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="connection.url">jdbc:hsqldb:data/tutorial</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>

<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>

<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>

<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>

<mapping resource="Event.hbm.xml"/>
</session-factory>

</hibernate-configuration>