Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportRange.java @ 7162:4683bdf77ff9

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Handle flow velocity measurements in the FlowVelocity processor
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 26 Sep 2013 10:38:21 +0200
parents 4c3ccf2b0304
children 3d83a4cf33ba
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.Range;
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12 import org.dive4elements.river.model.River;
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13
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14 import java.math.BigDecimal;
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15
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16 import org.apache.log4j.Logger;
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17
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18 /** A range that is about to be imported. */
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19 public class ImportRange
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20 implements Comparable<ImportRange>
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21 {
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22 /** Private logger. */
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23 private static Logger log = Logger.getLogger(ImportRange.class);
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24
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25 protected BigDecimal a;
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26 protected BigDecimal b;
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27
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28 protected Range peer;
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29
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30 public ImportRange() {
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31 }
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32
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33 public ImportRange(BigDecimal a, BigDecimal b) {
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34 this.a = a;
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35 this.b = b;
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36 }
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37
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38 private static final int compare(BigDecimal a, BigDecimal b) {
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39 if (a == null && b == null) {
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40 return 0;
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41 }
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42 if (a == null && b != null) {
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43 return -1;
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44 }
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45 if (a != null && b == null) {
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46 return +1;
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47 }
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48 return a.compareTo(b);
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49 }
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50
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51 public void fixRangesOrder() {
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52 if (compare(a, b) > 0) {
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53 BigDecimal t = a; a = b; b = t;
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54 }
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55 }
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56
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57 public int compareTo(ImportRange other) {
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58 int cmp = compare(a, other.a);
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59 if (cmp != 0) return cmp;
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60 return compare(b, other.b);
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61 }
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62
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63 public BigDecimal getA() {
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64 return a;
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65 }
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66
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67 public void setA(BigDecimal a) {
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68 this.a = a;
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69 }
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70
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71 public BigDecimal getB() {
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72 return b;
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73 }
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74
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75 public void setB(BigDecimal b) {
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76 this.b = b;
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77 }
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78
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79 public Range getPeer(River river) {
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80 if (peer == null) {
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81 peer = ImporterSession.getInstance().getRange(river, a, b);
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82 }
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83 return peer;
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84 }
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85 }
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86 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org