staff.dao.impl.DeptDaoImpl.java Source code

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Here is the source code for staff.dao.impl.DeptDaoImpl.java

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/*
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package staff.dao.impl;

import java.sql.SQLException;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import staff.dao.DeptDao;
import staff.table.Dept;
import staff.util.HibernateUtil;

/**
 *
 * @author Chernyshov
 */
public class DeptDaoImpl implements DeptDao {

    @Override
    public void addDept(Dept dept) throws SQLException {
        Session session = null;

        try {
            SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
            session = sessionFactory.openSession();
            session.beginTransaction();
            session.save(dept);
            session.getTransaction().commit();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (session.isOpen() && session != null) {
                session.close();

            }
        }
    }

    @Override
    public void delDept(Dept dept) throws SQLException {
        Session session = null;
        try {
            SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
            session = sessionFactory.openSession();
            session.beginTransaction();
            session.delete(dept);
            session.getTransaction().commit();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (session.isOpen() && session != null)
                session.close();
        }
    }

    @Override
    public Dept getDept(int id) throws SQLException {
        Dept result = null;
        Session session = null;
        try {
            SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
            session = sessionFactory.openSession();
            result = (Dept) session.get(Dept.class, id);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (session.isOpen() && session != null)
                session.close();
        }
        return result;
    }

    @Override
    public List<Dept> getDepts() throws SQLException {
        List<Dept> depts = null;
        Session session = null;
        SessionFactory sessionFactory = null;
        try {
            sessionFactory = HibernateUtil.getSessionFactory();
            session = sessionFactory.openSession();
            depts = session.createCriteria(Dept.class).list();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (session.isOpen()) {
                session.close();
                sessionFactory.close();
                System.out.println("close getDeps");
            }
        }
        return depts;
    }

    @Override
    public void editDept(Dept dept) throws SQLException {
        Session session = null;
        try {
            SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
            session = sessionFactory.openSession();
            session.beginTransaction();
            session.saveOrUpdate(dept);
            session.getTransaction().commit();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (session.isOpen() && session != null)
                session.close();
        }
    }

}