Mercurial > dive4elements > river
annotate 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 |
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Fetching year informations for waterlevels used in sinfo
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1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 package org.dive4elements.river.artifacts.model; |
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11 |
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12 import java.util.List; |
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13 |
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14 import org.dive4elements.river.backend.SessionHolder; |
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15 import org.dive4elements.river.model.Wst; |
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16 import org.dive4elements.river.model.WstColumn; |
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17 import org.hibernate.Query; |
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18 import org.hibernate.Session; |
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19 |
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20 /** |
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21 * @author Gernot Belger |
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22 */ |
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23 public final class WstColumnFactory { |
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24 private WstColumnFactory() { |
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25 throw new UnsupportedOperationException("helper class"); |
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26 } |
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27 |
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28 public static WstColumn getWstColumn(final int wst_id, final int columnPosition) { |
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29 final Session session = SessionHolder.HOLDER.get(); |
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30 |
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31 final Wst wst = WstFactory.getWst(wst_id); |
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32 |
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33 final Query query = session.createQuery("from WstColumn where wst=:wst_id and position = :position"); |
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34 query.setParameter("wst_id", wst); |
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35 query.setInteger("position", columnPosition); |
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36 |
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37 final List<WstColumn> columns = query.list(); |
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38 |
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39 return columns.isEmpty() ? null : columns.get(0); |
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40 } |
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41 } |