import java.util.List;
import java.util.Date;
import java.util.Iterator;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class ManageEmployee {
    private static SessionFactory factory;
    public static void main(String[] args) {

        try {
            factory = new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Failed to create sessionFactory object." + ex);
            throw new ExceptionInInitializerError(ex);
        }

        ManageEmployee ME = new ManageEmployee();

        /* Add few employee records in database */
        ME.addStudent("Zara", 001, 25);
        ME.addStudent("Daisy", 002, 30);
        ME.addStudent("John", 003, 19);


    }

    /* Method to CREATE an employee in the database */
    public void addStudent(String name, int number, int age){
        Session session = factory.openSession();
        Transaction tx = null;
        Integer employeeID = null;

        try {
            tx = session.beginTransaction();
            Student employee = new Student(name, number, age);
            employeeID = (Integer) session.save(employee);
            tx.commit();
        } catch (HibernateException e) {
            if (tx!=null) tx.rollback();
            e.printStackTrace();
        } finally {
            session.close();
        }
    }


}