Mercurial > dive4elements > river
view backend/src/main/java/org/dive4elements/river/importer/ImportGrainFraction.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 | 1e327d86c898 |
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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 org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.Query; import org.dive4elements.river.model.GrainFraction; public class ImportGrainFraction { private static final Logger log = Logger.getLogger(ImportGrainFraction.class); private String name; private Double lower; private Double upper; private GrainFraction peer; public ImportGrainFraction(String name) { this.name = name; } public ImportGrainFraction( String name, Double lower, Double upper ) { this.name = name; this.lower = lower; this.upper = upper; } public void storeDependencies() { log.debug("store dependencies"); getPeer(); } public GrainFraction getPeer() { log.debug("get peer"); if (peer == null) { Session session = ImporterSession.getInstance().getDatabaseSession(); Query query = session.createQuery( "from GrainFraction where " + " name=:name and " + " lower=:lower and " + " upper=:upper" ); query.setParameter("name", name); query.setParameter("lower", lower); query.setParameter("upper", upper); List<GrainFraction> fractions = query.list(); if (fractions.isEmpty()) { log.info("create new GrainFraction"); peer = new GrainFraction(name, lower, upper); session.save(peer); } else { peer = fractions.get(0); } } return peer; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :