Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportMainValue.java @ 5850:df5d29987df8
Wst: Avoid NPE.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 26 Apr 2013 11:08:58 +0200 |
parents | 4dd33b86dc61 |
children | e76fceaf84fc |
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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.dive4elements.river.model.MainValue; import org.dive4elements.river.model.Gauge; import org.dive4elements.river.model.River; import org.dive4elements.river.model.NamedMainValue; import org.dive4elements.river.model.TimeInterval; import org.hibernate.Session; import org.hibernate.Query; public class ImportMainValue { protected ImportGauge gauge; protected ImportNamedMainValue mainValue; protected BigDecimal value; protected ImportTimeInterval timeInterval; protected MainValue peer; public ImportMainValue() { } public ImportMainValue( ImportGauge gauge, ImportNamedMainValue mainValue, BigDecimal value, ImportTimeInterval timeInterval ) { this.gauge = gauge; this.mainValue = mainValue; this.value = value; this.timeInterval = timeInterval; } public ImportGauge getGauge() { return gauge; } public void setGauge(ImportGauge gauge) { this.gauge = gauge; } public ImportNamedMainValue getMainValue() { return mainValue; } public void setMainValue(ImportNamedMainValue mainValue) { this.mainValue = mainValue; } public BigDecimal getValue() { return value; } public void setValue(BigDecimal value) { this.value = value; } public MainValue getPeer(River river) { if (peer == null) { Session session = ImporterSession.getInstance().getDatabaseSession(); Query query = session.createQuery("from MainValue where " + "gauge.id=:gauge_id and mainValue.id=:name_id " + "and timeInterval = :time " + "and value=:value"); Gauge g = gauge.getPeer(river); NamedMainValue n = mainValue.getPeer(); TimeInterval t = timeInterval != null ? timeInterval.getPeer() : null; query.setParameter("gauge_id", g.getId()); query.setParameter("name_id", n.getId()); query.setParameter("value", value); query.setParameter("time", t); List<MainValue> values = query.list(); if (values.isEmpty()) { peer = new MainValue(g, n, value, null); session.save(peer); } else { peer = values.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :