tom@8841: /* Copyright (C) 2014 by Bundesanstalt für Gewässerkunde
tom@8841:  * Software engineering by Intevation GmbH
tom@8841:  *
tom@8841:  * This file is Free Software under the GNU AGPL (>=v3)
tom@8841:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
tom@8841:  * documentation coming with Dive4Elements River for details.
tom@8841:  */
tom@8841: 
teichmann@8028: package org.dive4elements.river.importer;
teichmann@8028: 
teichmann@8028: import java.util.List;
teichmann@8028: 
mschaefer@8986: import org.dive4elements.river.importer.common.StoreMode;
teichmann@8028: import org.dive4elements.river.model.MeasurementStation;
teichmann@8028: import org.dive4elements.river.model.SedimentLoad;
teichmann@8028: import org.dive4elements.river.model.SedimentLoadValue;
teichmann@8028: import org.hibernate.Query;
teichmann@8028: import org.hibernate.Session;
teichmann@8028: 
teichmann@8028: public class ImportSedimentLoadValue {
teichmann@8028: 
teichmann@8028:     private SedimentLoadValue peer;
teichmann@8028: 
tom@8056:     private MeasurementStation station;
tom@8056:     private Double             value;
teichmann@8028: 
teichmann@8028:     public ImportSedimentLoadValue() {
teichmann@8028:     }
teichmann@8028: 
teichmann@8028:     public ImportSedimentLoadValue(
mschaefer@8986:             final MeasurementStation station,
mschaefer@8986:             final Double             value
mschaefer@8986:             ) {
teichmann@8028:         this.station      = station;
teichmann@8028:         this.value        = value;
teichmann@8028:     }
teichmann@8028: 
mschaefer@8986:     protected SedimentLoadValue getPeer(final SedimentLoad sedimentLoad, final StoreMode parentStoreMode) {
teichmann@8028: 
mschaefer@8986:         if (this.peer == null) {
mschaefer@8986:             final Session session = ImporterSession.getInstance()
mschaefer@8986:                     .getDatabaseSession();
mschaefer@8986:             List<SedimentLoadValue> values;
mschaefer@8986:             if (parentStoreMode == StoreMode.INSERT)
mschaefer@8986:                 values = null;
mschaefer@8986:             else {
mschaefer@8986:                 final Query query = session.createQuery(
mschaefer@8986:                         "from SedimentLoadValue where " +
mschaefer@8986:                                 "   measurementStation = :station and " +
mschaefer@8986:                                 "   sedimentLoad = :sedimentLoad and " +
mschaefer@8986:                         "   value = :value");
teichmann@8028: 
mschaefer@8986:                 query.setParameter("station", this.station);
mschaefer@8986:                 query.setParameter("sedimentLoad", sedimentLoad);
mschaefer@8986:                 query.setParameter("value", this.value);
teichmann@8028: 
mschaefer@8986:                 values = query.list();
mschaefer@8986:             }
mschaefer@8986:             if ((values == null) || values.isEmpty()) {
mschaefer@8986:                 this.peer = new SedimentLoadValue(sedimentLoad, this.station, this.value);
mschaefer@8986:                 session.save(this.peer);
teichmann@8028:             }
teichmann@8028:             else {
mschaefer@8986:                 this.peer = values.get(0);
teichmann@8028:             }
teichmann@8028:         }
teichmann@8028: 
mschaefer@8986:         return this.peer;
teichmann@8028:     }
teichmann@8028: 
mschaefer@8986:     public void storeDependencies(final SedimentLoad sedimentLoad, final StoreMode parentStoreMode) {
mschaefer@8986:         getPeer(sedimentLoad, parentStoreMode);
teichmann@8028:     }
teichmann@8028: }
teichmann@8028: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :