/*
 * Copyright Â© 2013-2014 The Hyve B.V.
 *
 * This file is part of transmart-core-db.
 *
 * Transmart-core-db is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 *
 * This program 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * transmart-core-db.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.transmartproject.db.dataquery.highdim.dataconstraints

import grails.orm.HibernateCriteriaBuilder
import org.hibernate.criterion.Restrictions

class PropertyDataConstraint implements CriteriaDataConstraint {

    String property

    Object values // list or single object

    @Override
    void doWithCriteriaBuilder(HibernateCriteriaBuilder criteria) {
        criteria.with {
            if (values instanceof Collection) {
                if (!values.isEmpty()) {
                    'in' property, values
                } else {
                    criteria.addToCriteria(Restrictions.sqlRestriction(
                            "'empty_in_criteria_for_$property' = ''"))
                }
            } else {
                eq property, values
            }
        }
    }
}
