view backend/src/main/java/org/dive4elements/river/importer/ImportFlowVelocityMeasurement.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 0a5239a1e46e
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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 java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

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

import org.dive4elements.river.model.FlowVelocityMeasurement;
import org.dive4elements.river.model.River;


public class ImportFlowVelocityMeasurement {

    private static final Logger log = Logger
        .getLogger(ImportFlowVelocityMeasurement.class);

    private String description;

    private List<ImportFlowVelocityMeasurementValue> values;

    private FlowVelocityMeasurement peer;

    public ImportFlowVelocityMeasurement() {
        this(null);
    }

    public ImportFlowVelocityMeasurement(String description) {
        this.description = description;
        this.values = new ArrayList<ImportFlowVelocityMeasurementValue>();
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public void addValue(ImportFlowVelocityMeasurementValue value) {
        this.values.add(value);
    }

    public void storeDependencies(River river) {
        log.debug("store dependencies");

        FlowVelocityMeasurement peer = getPeer(river);

        if (peer != null) {
            for (ImportFlowVelocityMeasurementValue value : values) {
                value.storeDependencies(peer);
            }
        }
    }

    public FlowVelocityMeasurement getPeer(River river) {
        if (peer == null) {
            Session session = ImporterSession.getInstance()
                .getDatabaseSession();

            Query query = session
                .createQuery("from FlowVelocityMeasurement where "
                    + "   river=:river and " + "   description=:description");

            query.setParameter("river", river);
            query.setParameter("description", description);

            List<FlowVelocityMeasurement> measurement = query.list();

            if (measurement.isEmpty()) {
                peer = new FlowVelocityMeasurement(river, description);

                session.save(peer);
            }
            else {
                peer = measurement.get(0);
            }
        }

        return peer;
    }
}
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