Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/access/ExtremeAccess.java @ 8755:30b1ddadf275

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(issue1801) Unify reference gauge finding code The basic way as described in the method comment of the determineRefGauge method is now used in the WINFOArtifact, MainValuesService and RiverUtils.getGauge method. RiverUtils.getGauge previously just returned the first gauge found. While this is now a behavior change I believe that it is always more correct then the undeterministic behavior of the previous implmenentation.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 24 Jun 2015 14:07:26 +0200
parents e4606eae8ea5
children 5e38e2924c07
rev   line source
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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.artifacts.access;
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10
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11 import org.dive4elements.river.artifacts.D4EArtifact;
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12
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13 import org.dive4elements.river.artifacts.model.RangeWithValues;
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14
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15 import org.dive4elements.river.utils.DoubleUtil;
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16
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17 import java.util.ArrayList;
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18 import java.util.List;
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19
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20 import org.apache.log4j.Logger;
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21
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22 /** Access data used for extreme value analysis. */
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23 public class ExtremeAccess
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24 extends RangeAccess
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25 {
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26 /** Our private log. */
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27 private static Logger log = Logger.getLogger(ExtremeAccess.class);
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28
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29 protected Long start;
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30 protected Long end;
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31
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32 protected Double percent;
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33
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34 protected String function;
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35
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36 protected List<RangeWithValues> ranges;
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37
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38
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39 public ExtremeAccess(D4EArtifact artifact) {
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40 super(artifact);
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41 }
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42
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43
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44 /** Returns the percent given. */
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45 public Double getPercent() {
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46
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47 if (percent == null) {
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48 percent = getDouble("percent");
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49 }
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50
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51 if (log.isDebugEnabled()) {
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52 log.debug("percent: '" + percent + "'");
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53 }
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54
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55 return percent;
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56 }
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57
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58 public String getFunction() {
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59 if (function == null) {
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60 function = getString("function");
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61 }
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62
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63 if (log.isDebugEnabled()) {
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64 log.debug("function: '" + function + "'");
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65 }
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66
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67 return function;
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68 }
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69
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70
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71 /** Find first RangeWithValues for which the given location
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72 * is within the range and return its values.
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73 * @return values of first suitable rangewithvalues or null.
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74 */
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75 public double[] getValuesForRange(double location) {
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76 log.debug("ExtemeAcces.getValuesForRange");
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77 for (RangeWithValues rangeValues: getRanges()) {
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78 if (rangeValues.inside(location)) {
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79 return rangeValues.getValues();
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80 }
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81 }
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82 return null;
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83 }
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84
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85
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86 public List<RangeWithValues> getRanges() {
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87
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88 if (ranges == null) {
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89 String rangesS = getString("ranges");
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90 if (rangesS == null) {
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91 return null;
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92 }
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93 ranges = new ArrayList<RangeWithValues>();
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94 DoubleUtil.parseSegments(rangesS, new DoubleUtil.SegmentCallback() {
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95 @Override
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96 public void newSegment(double from, double to, double [] values) {
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97 ranges.add(new RangeWithValues(from, to, values));
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98 }
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99 });
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100 }
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101
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102 if (log.isDebugEnabled()) {
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103 log.debug("ranges: " + ranges);
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104 }
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105
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106 return ranges;
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107 }
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108 }
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109 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org