py.una.pol.karaku.dao.helper.NotExpressionHelper.java Source code

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Here is the source code for py.una.pol.karaku.dao.helper.NotExpressionHelper.java

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/*-
 * Copyright (c)
 *
 *       2012-2014, Facultad Politcnica, Universidad Nacional de Asuncin.
 *       2012-2014, Facultad de Ciencias Mdicas, Universidad Nacional de Asuncin.
 *       2012-2013, Centro Nacional de Computacin, Universidad Nacional de Asuncin.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */
package py.una.pol.karaku.dao.helper;

import java.util.Map;
import javax.annotation.Nonnull;
import org.hibernate.Criteria;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import py.una.pol.karaku.dao.where.Not;

/**
 * 
 * {@link BaseClauseHelper} que se encarga de parsear expresiones del tipo
 * {@link Not}, invoca a
 * {@link RestrictionHelper#getCriterion(py.una.pol.karaku.dao.where.Clause, Criteria, Map)}
 * y agrega ese criterion a la consulta.
 * 
 * @author Arturo Volpe
 * @since 2.2
 * @version 1.0 Sep 10, 2013
 * 
 */
@Component
public class NotExpressionHelper extends BaseClauseHelper<Not> {

    @Autowired
    private RestrictionHelper helper;

    @Override
    public Criterion getCriterion(@Nonnull Criteria criteria, @Nonnull Not clause,
            @Nonnull Map<String, String> aliases) {

        Criterion c = helper.getCriterion(clause.getClause(), criteria, aliases);
        return Restrictions.not(c);

    }
}