/* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
 * Software engineering by
 *  Björnsen Beratende Ingenieure GmbH
 *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.importer.sinfo.importitem;

import java.util.List;

import org.dive4elements.river.importer.common.AbstractKmLineImport;
import org.dive4elements.river.model.sinfo.TkhColumn;
import org.dive4elements.river.model.sinfo.TkhValue;
import org.hibernate.Query;
import org.hibernate.Session;

/**
 * Imported Transportkörperhöhe value of a river station.
 *
 * @author Matthias Schäfer
 *
 */
public class TkhKmLineImport extends AbstractKmLineImport<TkhColumn, TkhValue> {

    /***** FIELDS *****/

    /**
     * TKH in m
     */
    private final double tkheight;


    /***** CONSTRUCTOR *****/

    public TkhKmLineImport(final Double km, final double tkheight) {
        super(km.doubleValue());
        this.tkheight = tkheight;
    }


    /***** METHODS *****/

    @Override
    protected TkhValue queryValueItem(final Session session, final TkhColumn parent) {
        final Query query = session.createQuery("FROM TkhValue WHERE (tkhColumn=:parent)"
                + " AND (station BETWEEN (:station-0.0001) AND (:station+0.0001))");
        query.setParameter("parent", parent);
        query.setParameter("station", this.station);
        final List rows = query.list();
        if (!rows.isEmpty())
            return (TkhValue) rows.get(0);
        else
            return null;
    }


    @Override
    protected TkhValue createValueItem(final TkhColumn parent) {
        return new TkhValue(parent, this.station, this.tkheight);
    }
}