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@2808: 
ingo@2809: import java.util.List;
ingo@2809: 
ingo@2809: import org.apache.log4j.Logger;
mschaefer@8974: import org.dive4elements.river.model.ElevationModel;
mschaefer@8974: import org.hibernate.Query;
ingo@2809: import org.hibernate.Session;
ingo@2808: 
ingo@2808: 
ingo@2808: public class ImportElevationModel {
ingo@2808: 
ingo@2809:     private static final Logger log =
mschaefer@8974:             Logger.getLogger(ImportElevationModel.class);
ingo@2809: 
ingo@2808:     protected String name;
ingo@2808: 
ingo@2808:     protected ImportUnit unit;
ingo@2808: 
ingo@2809:     protected ElevationModel peer;
ingo@2809: 
ingo@2808: 
mschaefer@8974:     public ImportElevationModel(final String name, final ImportUnit unit) {
ingo@2808:         this.name = name;
ingo@2808:         this.unit = unit;
ingo@2808:     }
ingo@2809: 
ingo@2809: 
ingo@2809:     public void storeDependencies() {
mschaefer@8974:         final ElevationModel model = getPeer();
ingo@2809:     }
ingo@2809: 
ingo@2809:     public ElevationModel getPeer() {
mschaefer@8974:         if (this.unit == null) {
ingo@3949:             log.warn("No elevation model specified.");
ingo@3949:             return null;
ingo@3949:         }
mschaefer@8974:         if (this.peer != null)
mschaefer@8974:             return this.peer;
ingo@2809: 
mschaefer@8974:         final Session session = ImporterSession.getInstance().getDatabaseSession();
mschaefer@8974:         final Query query = session.createQuery("FROM ElevationModel WHERE (trim(name)=:name) AND (unit=:unit)");
mschaefer@8974:         query.setParameter("name", this.name);
mschaefer@8974:         query.setParameter("unit", this.unit.getPeer());
mschaefer@8974:         final List<ElevationModel> models = query.list();
ingo@2809: 
mschaefer@8974:         if (models.isEmpty()) {
mschaefer@8974:             log.info("Create new ElevationModel DB instance.");
mschaefer@8974: 
mschaefer@8974:             this.peer = new ElevationModel(this.name, this.unit.getPeer());
mschaefer@8974:             session.save(this.peer);
ingo@2809:         }
mschaefer@8974:         else {
mschaefer@8974:             this.peer = models.get(0);
mschaefer@8974:         }
mschaefer@8974:         return this.peer;
ingo@2809:     }
ingo@2808: }
ingo@2808: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :