Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportEdge.java @ 8856:5e38e2924c07 3.2.x

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Fix code style.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:12:01 +0100
parents 4c3ccf2b0304
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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 org.dive4elements.river.model.Edge;
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12
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13 import org.hibernate.Session;
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14 import org.hibernate.Query;
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15
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16 import java.util.List;
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17
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18 import java.math.BigDecimal;
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19
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20 public class ImportEdge
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21 implements Comparable<ImportEdge>
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22 {
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23 protected BigDecimal top;
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24 protected BigDecimal bottom;
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25
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26 protected Edge peer;
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27
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28 public ImportEdge() {
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29 }
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30
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31 public ImportEdge(BigDecimal top, BigDecimal bottom) {
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32 this.top = top;
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33 this.bottom = bottom;
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34 }
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35
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36 public BigDecimal getTop() {
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37 return top;
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38 }
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39
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40 public void setTop(BigDecimal top) {
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41 this.top = top;
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42 }
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43
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44 public BigDecimal getBottom() {
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45 return bottom;
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46 }
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47
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48 public void setBottom(BigDecimal bottom) {
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49 this.bottom = bottom;
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50 }
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51
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52 private static final int compare(BigDecimal a, BigDecimal b) {
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53 if (a == null && b != null) return -1;
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54 if (a != null && b == null) return +1;
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55 if (a == null && b == null) return 0;
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56 return a.compareTo(b);
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57 }
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58
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59 public int compareTo(ImportEdge other) {
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60 int cmp = compare(top, other.top);
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61 return cmp != 0 ? cmp : compare(bottom, other.bottom);
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62 }
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63
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64 public Edge getPeer() {
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65 if (peer == null) {
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66 Session session = ImporterSession.getInstance()
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67 .getDatabaseSession();
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68 Query query = session.createQuery(
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69 "from Edge where top=:top and bottom=:bottom");
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70 query.setParameter("top", top);
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71 query.setParameter("bottom", bottom);
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72 List<Edge> edges = query.list();
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73 if (edges.isEmpty()) {
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74 peer = new Edge(top, bottom);
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75 session.save(peer);
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76 }
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77 else {
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78 peer = edges.get(0);
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79 }
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80 }
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81 return peer;
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82 }
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83 }
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84 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org