Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportBedHeightEpochValue.java @ 6955:94cb1845c667
(issue1452) Coalesce to zero to avoid NaN arithmetic.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Fri, 30 Aug 2013 15:45:14 +0200 |
parents | 4c3ccf2b0304 |
children |
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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.List; import java.math.BigDecimal; import org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.Query; import org.dive4elements.river.model.BedHeightEpoch; import org.dive4elements.river.model.BedHeightEpochValue; public class ImportBedHeightEpochValue implements ImportBedHeightValue { private static final Logger log = Logger.getLogger(ImportBedHeightEpochValue.class); private BigDecimal station; private BigDecimal height; private BedHeightEpochValue peer; public ImportBedHeightEpochValue() { } public ImportBedHeightEpochValue(BigDecimal station, BigDecimal height) { this.station = station; this.height = height; } public void storeDependencies(BedHeightEpoch bedHeight) { getPeer(bedHeight); } public BedHeightEpochValue getPeer(BedHeightEpoch bedHeight) { if (peer == null) { Session session = ImporterSession.getInstance().getDatabaseSession(); Query query = session.createQuery( "from BedHeightEpochValue where " + " bedHeight=:bedHeight and " + " station=:station and " + " height=:height"); query.setParameter("bedHeight", bedHeight); query.setParameter("station", station); query.setParameter("height", height); List<BedHeightEpochValue> values = query.list(); if (values.isEmpty()) { peer = new BedHeightEpochValue( bedHeight, station, height ); session.save(peer); } else { peer = values.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :