view backend/src/main/java/org/dive4elements/river/importer/ImportWstColumnQRange.java @ 6328:53d08f33d094

Backend: Moved guessing of main values and there time intervals out of the STA parser. Same come will be useful to extend the WST parser to better handle official lines.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 13 Jun 2013 17:15:34 +0200
parents 4c3ccf2b0304
children 3d83a4cf33ba
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * 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;

import org.dive4elements.river.model.WstColumnQRange;
import org.dive4elements.river.model.WstQRange;
import org.dive4elements.river.model.WstColumn;
import org.dive4elements.river.model.River;

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

import java.util.List;

public class ImportWstColumnQRange
{
    protected ImportWstColumn wstColumn;
    protected ImportWstQRange qRange;

    protected WstColumnQRange peer;

    public ImportWstColumnQRange() {
    }

    public ImportWstColumnQRange(
        ImportWstColumn wstColumn,
        ImportWstQRange qRange
    ) {
        this.wstColumn = wstColumn;
        this.qRange    = qRange;
    }

    public ImportWstColumn getWstColumn() {
        return wstColumn;
    }

    public void setWstColumn(ImportWstColumn wstColumn) {
        this.wstColumn = wstColumn;
    }

    public ImportWstQRange getQRange() {
        return qRange;
    }

    public void setQRange(ImportWstQRange qRange) {
        this.qRange = qRange;
    }

    public void fixRangesOrder() {
        qRange.fixRangesOrder();
    }

    public WstColumnQRange getPeer(River river) {
        if (peer == null) {
            WstColumn c = wstColumn.getPeer(river);
            WstQRange q = qRange.getPeer(river);
            Session session = ImporterSession.getInstance().getDatabaseSession();
            Query query = session.createQuery(
                "from WstColumnQRange where " +
                "wstColumn=:c and wstQRange=:q");
            query.setParameter("c", c);
            query.setParameter("q", q);
            List<WstColumnQRange> cols = query.list();
            if (cols.isEmpty()) {
                peer = new WstColumnQRange(c, q);
                session.save(peer);
            }
            else {
                peer = cols.get(0);
            }
        }
        return peer;
    }
}
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