Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/ImportLocationSystem.java @ 9651:eb3dfe900d8c
Importer (s/u-info) extensions: better exception handling
author | mschaefer |
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date | Mon, 23 Mar 2020 15:00:04 +0100 |
parents | a275ddf7a3a1 |
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rev | line source |
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.importer; |
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10 |
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11 import java.util.List; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 import org.dive4elements.river.model.LocationSystem; |
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15 import org.hibernate.Query; |
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16 import org.hibernate.Session; |
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17 |
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18 |
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19 public class ImportLocationSystem { |
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20 |
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21 private static final Logger log = |
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22 Logger.getLogger(ImportLocationSystem.class); |
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23 |
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24 |
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25 protected String name; |
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26 protected String description; |
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27 |
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28 protected LocationSystem peer; |
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29 |
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30 |
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31 public ImportLocationSystem(final String name, final String description) { |
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32 this.name = name; |
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33 this.description = description; |
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34 } |
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35 |
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36 public void storeDependencies() { |
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37 log.info("store LocationSystem '" + this.name + "'"); |
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38 final LocationSystem ls = getPeer(); |
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39 |
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40 final Session session = ImporterSession.getInstance().getDatabaseSession(); |
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41 session.flush(); |
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42 } |
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43 |
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44 public LocationSystem getPeer() { |
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45 if (this.peer != null) |
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46 return this.peer; |
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47 final Session session = ImporterSession.getInstance().getDatabaseSession(); |
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48 final Query query = session.createQuery("FROM LocationSystem WHERE (trim(name)=:name) AND (trim(description)=:description)"); |
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49 query.setParameter("name", this.name); |
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50 query.setParameter("description", this.description); |
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51 final List<LocationSystem> lss = query.list(); |
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52 if (lss.isEmpty()) { |
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53 this.peer = new LocationSystem(this.name, this.description); |
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54 session.save(this.peer); |
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55 } else { |
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56 this.peer = lss.get(0); |
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57 } |
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58 return this.peer; |
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59 } |
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60 } |
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61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |