gradeservice.java

another bean example it is more advance than previous one

package tr.edu.compe515.assignment7.services;

import org.hibernate.Session;

import tr.edu.compe515.assignment7.factory.HibernateFactory;
import tr.edu.compe515.assignment7.objects.Grade;

public class GradeService {
	public static void save(Grade grade) {
		Session session = HibernateFactory.getSessionFactory()
				.getCurrentSession();
		session.beginTransaction();
		session.saveOrUpdate(grade);
		session.getTransaction().commit();
	}

	public static Grade get(Grade grade) {
		Session session = HibernateFactory.getSessionFactory()
				.getCurrentSession();
		session.beginTransaction();
		Grade tempgrade = (Grade) session.get(Grade.class, grade.getOid());
		session.getTransaction().commit();
		return tempgrade;
	}

	public static void delete(Grade grade) {
		Session session = HibernateFactory.getSessionFactory()
				.getCurrentSession();
		session.beginTransaction();
		Object tempgrade = session.get(Grade.class, grade.getOid());
		session.delete(tempgrade);
		session.getTransaction().commit();

	}

}