AUTO INCREMENT AND INSERTION OF RECORD IN J2EE USING HIBERNATE FRAMEWORK:

 AUTO INCREMENT AND INSERTION OF RECORD IN J2EE USING HIBERNATE FRAMEWORK:

import org.hibernate.Criteria;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.Transaction;

import org.hibernate.cfg.Configuration;

import org.hibernate.criterion.Projections;

 String fname=request.getParameter("fname");

 String sname=request.getParameter("sname");

//CREATING SESSION   

 SessionFactory sdf=new Configuration().configure().buildSessionFactory();

            Session s=sdf.openSession();

  //TO GET MAX ID

Criteria criteria = s.createCriteria(Datahandler.class).setProjection(Projections.max("id"));

Integer maxid = (Integer)criteria.uniqueResult()+1;

Transaction tr=s.beginTransaction();

 //DATA INSERTION

 Datahandler obj=new Datahandler(maxid,fname,sname);

//SAVING AND RELEASING RESOURCES

 s.save(obj);

 tr.commit();

 s.close();

 out.println("DATA INSERTED....");