teichmann@5844: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5844:  * Software engineering by Intevation GmbH
teichmann@5844:  *
teichmann@5992:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5844:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5992:  * documentation coming with Dive4Elements River for details.
teichmann@5844:  */
teichmann@5844: 
teichmann@5829: package org.dive4elements.river.importer;
ingo@2810: 
ingo@2810: import java.util.List;
ingo@2810: 
ingo@2810: import java.math.BigDecimal;
ingo@2810: 
ingo@2810: import org.apache.log4j.Logger;
ingo@2810: 
ingo@2810: import org.hibernate.Session;
ingo@2810: import org.hibernate.Query;
ingo@2810: 
teichmann@5829: import org.dive4elements.river.model.BedHeightEpoch;
teichmann@5829: import org.dive4elements.river.model.BedHeightEpochValue;
ingo@2810: 
ingo@2810: 
ingo@2811: public class ImportBedHeightEpochValue implements ImportBedHeightValue {
ingo@2810: 
ingo@2810:     private static final Logger log =
ingo@2810:         Logger.getLogger(ImportBedHeightEpochValue.class);
ingo@2810: 
ingo@2810: 
ingo@2810:     private BigDecimal station;
ingo@2810:     private BigDecimal height;
ingo@2810: 
ingo@2810:     private BedHeightEpochValue peer;
ingo@2810: 
ingo@2810: 
ingo@2810:     public ImportBedHeightEpochValue() {
ingo@2810:     }
ingo@2810: 
ingo@2810: 
ingo@2810:     public ImportBedHeightEpochValue(BigDecimal station, BigDecimal height) {
ingo@2810:         this.station = station;
ingo@2810:         this.height  = height;
ingo@2810:     }
ingo@2810: 
ingo@2810: 
ingo@2810:     public void storeDependencies(BedHeightEpoch bedHeight) {
ingo@2810:         getPeer(bedHeight);
ingo@2810:     }
ingo@2810: 
ingo@2810: 
ingo@2810:     public BedHeightEpochValue getPeer(BedHeightEpoch bedHeight) {
ingo@2810:         if (peer == null) {
ingo@2810:             Session session = ImporterSession.getInstance().getDatabaseSession();
ingo@2810: 
ingo@2810:             Query query = session.createQuery(
ingo@2810:                 "from BedHeightEpochValue where " +
ingo@2810:                 "   bedHeight=:bedHeight and " +
ingo@2810:                 "   station=:station and " +
ingo@2810:                 "   height=:height");
ingo@2810: 
ingo@2810:             query.setParameter("bedHeight", bedHeight);
ingo@2810:             query.setParameter("station", station);
ingo@2810:             query.setParameter("height", height);
ingo@2810: 
ingo@2810:             List<BedHeightEpochValue> values = query.list();
ingo@2810: 
ingo@2810:             if (values.isEmpty()) {
ingo@2810:                 peer = new BedHeightEpochValue(
ingo@2810:                     bedHeight,
ingo@2810:                     station,
ingo@2810:                     height
ingo@2810:                 );
ingo@2810:                 session.save(peer);
ingo@2810:             }
ingo@2810:             else {
ingo@2810:                 peer = values.get(0);
ingo@2810:             }
ingo@2810:         }
ingo@2810: 
ingo@2810:         return peer;
ingo@2810:     }
ingo@2810: }
ingo@2810: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :