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.LocationSystem;
mschaefer@8974: import org.hibernate.Query;
ingo@2809: import org.hibernate.Session;
ingo@2808: 
ingo@2808: 
ingo@2808: public class ImportLocationSystem {
ingo@2808: 
ingo@2809:     private static final Logger log =
mschaefer@8974:             Logger.getLogger(ImportLocationSystem.class);
ingo@2809: 
ingo@2809: 
ingo@2808:     protected String name;
ingo@2808:     protected String description;
ingo@2808: 
ingo@2809:     protected LocationSystem peer;
ingo@2809: 
ingo@2808: 
mschaefer@8974:     public ImportLocationSystem(final String name, final String description) {
ingo@2808:         this.name        = name;
ingo@2808:         this.description = description;
ingo@2808:     }
ingo@2809: 
ingo@2809:     public void storeDependencies() {
mschaefer@8974:         log.info("store LocationSystem '" + this.name + "'");
mschaefer@8974:         final LocationSystem ls = getPeer();
ingo@2809: 
mschaefer@8974:         final Session session = ImporterSession.getInstance().getDatabaseSession();
ingo@2809:         session.flush();
ingo@2809:     }
ingo@2809: 
ingo@2809:     public LocationSystem getPeer() {
mschaefer@8974:         if (this.peer != null)
mschaefer@8974:             return this.peer;
mschaefer@8974:         final Session session = ImporterSession.getInstance().getDatabaseSession();
mschaefer@8974:         final Query query = session.createQuery("FROM LocationSystem WHERE (trim(name)=:name) AND (trim(description)=:description)");
mschaefer@8974:         query.setParameter("name", this.name);
mschaefer@8974:         query.setParameter("description", this.description);
mschaefer@8974:         final List<LocationSystem> lss = query.list();
mschaefer@8974:         if (lss.isEmpty()) {
mschaefer@8974:             this.peer = new LocationSystem(this.name, this.description);
mschaefer@8974:             session.save(this.peer);
mschaefer@8974:         } else {
mschaefer@8974:             this.peer = lss.get(0);
ingo@2809:         }
mschaefer@8974:         return this.peer;
ingo@2809:     }
ingo@2808: }
ingo@2808: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :