br.com.chamado.dao.DaoGenerico.java Source code

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Here is the source code for br.com.chamado.dao.DaoGenerico.java

Source

package br.com.chamado.dao;

/*
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/**
 *
 * @author WandersonSantiago
 */

import br.com.chamado.util.HibernateConfiguracao;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;

public class DaoGenerico {

    protected HibernateConfiguracao hibernateConfiguracao;

    public DaoGenerico() {
        hibernateConfiguracao = new HibernateConfiguracao();

    }

    public void salvar(Object obj) throws HibernateException {

        Session session = hibernateConfiguracao.openSession();
        Transaction transaction = session.beginTransaction();
        session.save(obj);
        transaction.commit();
        session.close();

    }

    public void alterar(Object obj) {
        Session session = hibernateConfiguracao.openSession();
        Transaction transaction = session.beginTransaction();
        session.update(obj);
        transaction.commit();
        session.close();
    }

    public void deletar(Object obj) {
        Session session = hibernateConfiguracao.openSession();
        Transaction transaction = session.beginTransaction();
        session.delete(obj);
        transaction.commit();
        session.close();
    }

    public List carregaTudoOrdernado(Class classe, String ordem) {
        Session session = hibernateConfiguracao.openSession();
        Criteria criterica = session.createCriteria(classe);
        criterica.addOrder(Order.asc(ordem));
        List lista = criterica.list();
        return lista;
    }

    public Object carregarUm(int id, Class<?> classe) {
        Session session = hibernateConfiguracao.openSession();
        Transaction transaction = session.beginTransaction();
        Criteria criteria = session.createCriteria(classe);
        criteria.add(Restrictions.eq("id", id));
        Object obj = criteria.uniqueResult();
        transaction.commit();
        return obj;
    }

    public boolean veriricar(String campo, String valor, Class<?> classe) {
        Session session = hibernateConfiguracao.openSession();
        Transaction transaction = session.beginTransaction();
        Criteria criteria = session.createCriteria(classe);
        criteria.add(Restrictions.eq(campo, valor));
        Object obj = criteria.uniqueResult();
        transaction.commit();

        if (obj == null) {
            return true;
        } else {
            return false;
        }
    }
}