InterfacesImplementation.BookDaoImpl.java Source code

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Here is the source code for InterfacesImplementation.BookDaoImpl.java

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package InterfacesImplementation;

import Configuration.HibernateSessionManagment;
import Interfaces.BookDao;

import java.util.List;
import model.Books;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.stereotype.Service;

/**
 *
 * @author mac
 */
@Service
public class BookDaoImpl implements BookDao {
    Session session;

    @Override
    public String addSong(Books books) {
        SessionFactory sessionFactory = HibernateSessionManagment.getSessionFactory();
        session = sessionFactory.openSession();
        Transaction transaction = session.beginTransaction();
        try {
            session.save(books);
            session.flush();
            transaction.commit();
            return "Data  enter SuccessFully";
        } catch (HibernateException ex) {
            transaction.rollback();
            System.err.println("error.... " + ex);
            return "Sorry  Some Problem Occure";
        } finally {
            session.close();
        }
    }

    @Override
    public List getBookList() {

        SessionFactory sessionFactory = HibernateSessionManagment.getSessionFactory();
        session = sessionFactory.getCurrentSession();
        Transaction transaction;
        if (session.isOpen()) {
            transaction = session.beginTransaction();
        } else {
            session = sessionFactory.openSession();
        }
        try {
            List booksList = session.createQuery("from Books").list();
            return booksList;
        } finally {
            session.close();
        }
    }

}