CRUD.Materiais.MateriaisController.java Source code

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Here is the source code for CRUD.Materiais.MateriaisController.java

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package CRUD.Materiais;

import com.psw.conexao.HibernateUtil;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author Juliano
 */
public class MateriaisController {

    public static boolean verificaCampos(String modelo, String nome, String fabricante) {
        boolean ok;

        ok = true;
        if ((modelo.isEmpty()) || (nome.isEmpty()) || (fabricante.isEmpty())) {
            ok = false;
        }
        return ok;
    }

    public static void cadastrarMaterial(Materiais mat) {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        ses.save(mat);
        trans.commit();
        ses.close();
    }

    public static Materiais consultarMaterial(String modelo) {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        Materiais mat;

        Criteria query = ses.createCriteria(Materiais.class);
        query.add(Restrictions.eq("modelo", modelo));
        mat = (Materiais) query.uniqueResult();
        return mat;
    }

    public static List buscarModelo(String buscar) {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        List lista;

        Criteria query = ses.createCriteria(Materiais.class);
        query.add(Restrictions.eq("modelo", buscar));
        lista = query.list();
        if (lista.isEmpty()) {
            lista = null;
        }
        return lista;
    }

    public static List buscarNome(String buscar) {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        List lista;

        Criteria query = ses.createCriteria(Materiais.class);
        query.add(Restrictions.eq("fabricante", buscar));
        lista = query.list();
        if (lista.isEmpty()) {
            lista = null;
        }
        return lista;
    }

    public static void atualizarMaterial(Materiais mat) {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        ses.update(mat);
        trans.commit();
        ses.close();

    }

    public static void avisoEstoque() {
        Session ses = HibernateUtil.getSessionFactory().openSession();
        Transaction trans = ses.beginTransaction();
        List lista;

        Criteria query = ses.createCriteria(Materiais.class);
        query.add(Restrictions.le("quantidade", 10));
        lista = query.list();
        if (!lista.isEmpty()) {
            new NotificacaoEstoque(lista).setVisible(true);
        }
    }
}