Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstColumnFactory.java @ 9214:091fd9676496
Made DateRange class immutable
author | gernotbelger |
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date | Tue, 03 Jul 2018 14:26:56 +0200 |
parents | 708f210ff242 |
children |
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/** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde * Software engineering by * Björnsen Beratende Ingenieure GmbH * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt * * 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.artifacts.model; import java.util.List; import org.dive4elements.river.backend.SessionHolder; import org.dive4elements.river.model.Wst; import org.dive4elements.river.model.WstColumn; import org.hibernate.Query; import org.hibernate.Session; /** * @author Gernot Belger */ public final class WstColumnFactory { private WstColumnFactory() { throw new UnsupportedOperationException("helper class"); } public static WstColumn getWstColumn(final int wst_id, final int columnPosition) { final Session session = SessionHolder.HOLDER.get(); final Wst wst = WstFactory.getWst(wst_id); final Query query = session.createQuery("from WstColumn where wst=:wst_id and position = :position"); query.setParameter("wst_id", wst); query.setInteger("position", columnPosition); final List<WstColumn> columns = query.list(); return columns.isEmpty() ? null : columns.get(0); } }