proy.datos.servicios.implementacion.FiltroHibernate.java Source code

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Here is the source code for proy.datos.servicios.implementacion.FiltroHibernate.java

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/**
 * Copyright (c) 2016, Emiliano Gioria - Andres Leonel Rico
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package proy.datos.servicios.implementacion;

import java.util.ArrayList;

import org.hibernate.Session;
import org.hibernate.query.Query;

import proy.excepciones.ConsultaException;
import proy.excepciones.PersistenciaException;

public interface FiltroHibernate<T> {

    public String getConsultaDinamica();

    public String getNamedQueryName();

    public Query<T> setParametros(Query<T> query);

    public void updateParametros(Session session);

    public Class<T> getClase();

    public default ArrayList<T> listar(Session session) throws PersistenciaException {
        ArrayList<T> resultado = new ArrayList<>();
        try {
            Query<T> query = null;
            if (!this.getNamedQueryName().isEmpty()) {
                query = session.createNamedQuery(this.getNamedQueryName(), getClase());
            } else {
                query = session.createQuery(this.getConsultaDinamica(), getClase());
            }
            this.setParametros(query);
            this.updateParametros(session);
            resultado = new ArrayList<>(query.list());
        } catch (Exception e) {
            throw new ConsultaException(e);
        }
        return resultado;
    }
}