com.desoftmex.dao.impl.ManagerDao.java Source code

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Here is the source code for com.desoftmex.dao.impl.ManagerDao.java

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package com.desoftmex.dao.impl;

import com.desoftmex.exception.ExceptionDao;
import java.io.Serializable;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Session;

/**
 *
 * @author gustavo
 */

public class ManagerDao<T, ID extends Serializable> {

    public void saveOrUpdate(T entity) throws ExceptionDao {
        try {
            Session session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();
            session.saveOrUpdate(entity);
            session.getTransaction().commit();
            //session.close();
        } catch (HibernateException ex) {
            throw new ExceptionDao(ex.getMessage());
        }
    }

    public void delete(T entity) throws ExceptionDao {
        try {
            Session session = HibernateUtil.getSessionFactory().openSession();
            session.beginTransaction();
            session.delete(entity);
            session.getTransaction().commit();
            //session.close();
        } catch (HibernateException ex) {
            throw new ExceptionDao(ex.getMessage());
        }
    }

    public T findId(String query) throws ExceptionDao {
        T result;
        try {
            Session session = HibernateUtil.getSessionFactory().openSession();
            //session.beginTransaction();
            result = (T) session.createQuery(query).uniqueResult();
            //session.getTransaction().commit();  
            //session.close();
        } catch (HibernateException ex) {
            throw new ExceptionDao(ex.getMessage());
        }
        return result;
    }

    public List<T> find(String query) throws ExceptionDao {
        List<T> result;
        try {
            Session session = HibernateUtil.getSessionFactory().openSession();
            //session.beginTransaction();
            result = session.createQuery(query).list();
            //session.getTransaction().commit();
            //session.close();
        } catch (HibernateException ex) {
            throw new ExceptionDao(ex.getMessage());
        }
        return result;
    }

}