Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportDepth.java @ 7065:b17634649e61
Simplify code a bit.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 19 Sep 2013 12:53:11 +0200 |
parents | 4c3ccf2b0304 |
children | c288309a5dcb |
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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.math.BigDecimal; import java.util.List; import org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.Query; import org.dive4elements.river.model.Depth; public class ImportDepth { private static Logger log = Logger.getLogger(ImportDepth.class); protected Depth peer; protected BigDecimal lower; protected BigDecimal upper; public ImportDepth(BigDecimal lower, BigDecimal upper) { this.lower = lower; this.upper = upper; } public void storeDependencies() { log.info("store dependencies"); getPeer(); } public Depth getPeer() { log.info("get peer"); if (peer == null) { Session session = ImporterSession.getInstance().getDatabaseSession(); Query query = session.createQuery( "from Depth where " + " lower=:lower and " + " upper=:upper"); query.setParameter("lower", lower); query.setParameter("upper", upper); List<Depth> depths = query.list(); if (depths.isEmpty()) { log.debug("Create new Depth DB instance."); peer = new Depth(lower, upper); session.save(peer); } else { peer = depths.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :