annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/WaterlevelFetcher.java @ 8946:5d5d482da3e9

Implementing SINFO - FlowDepthMinMax calculation
author gernotbelger
date Tue, 13 Mar 2018 18:49:33 +0100
parents a536e1aacf0f
children 86650594f051
rev   line source
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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.states;
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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.apache.log4j.Logger;
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15 import org.dive4elements.artifacts.CallContext;
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16 import org.dive4elements.river.artifacts.D4EArtifact;
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17 import org.dive4elements.river.artifacts.FixationArtifact;
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18 import org.dive4elements.river.artifacts.StaticWKmsArtifact;
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19 import org.dive4elements.river.artifacts.StaticWQKmsArtifact;
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20 import org.dive4elements.river.artifacts.WINFOArtifact;
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21 import org.dive4elements.river.artifacts.access.FixRealizingAccess;
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22 import org.dive4elements.river.artifacts.model.Calculation;
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23 import org.dive4elements.river.artifacts.model.CalculationResult;
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24 import org.dive4elements.river.artifacts.model.Segment;
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25 import org.dive4elements.river.artifacts.model.WKms;
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26 import org.dive4elements.river.artifacts.model.WQKms;
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27 import org.dive4elements.river.artifacts.model.fixings.FixRealizingCalculationExtended;
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28 import org.dive4elements.river.artifacts.model.fixings.FixRealizingResult;
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29 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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30 import org.dive4elements.river.utils.RiverUtils;
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31
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32 /**
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33 * Helper class that accesses existing waterlevels (in most cases) from the data-cage.
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34 * This is mainly a refaktoring of org.dive4elements.river.artifacts.states.WDifferencesState.getWKms(String,
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35 * CallContext, double, double), adding more infos to the fetched water levels.
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36 *
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37 * @author Gernot Belger
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38 */
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39 public class WaterlevelFetcher {
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40 private static Logger log = Logger.getLogger(WaterlevelFetcher.class);
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41
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42 public WaterlevelData findWaterlevel(final CallContext context, final String mingle, final double from,
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43 final double to, final Calculation problems) {
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44
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45 final String[] def = mingle.split(";");
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46 final String uuid = def[0];
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47 final String name = def[1];
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48 final int idx = Integer.parseInt(def[2]);
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49 final D4EArtifact d4eArtifact = RiverUtils.getArtifact(uuid, context);
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50
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51 final WaterlevelData data = fetchWaterlevelFromArtifact(context, d4eArtifact, idx, from, to);
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52 if (data != null)
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53 return data.withName(name);
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54
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55 problems.addProblem("waterlevelfetcher.missing'", mingle);
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56 return null;
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57 }
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58
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59 private WaterlevelData fetchWaterlevelFromArtifact(final CallContext context, final D4EArtifact d4eArtifact,
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60 final int idx, final double from, final double to) {
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61 if (d4eArtifact == null) {
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62 log.warn("One of the artifacts (1) for diff calculation " + "could not be loaded");
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63 return null;
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64 }
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65
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66 if (d4eArtifact instanceof StaticWKmsArtifact) {
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67 return fetchStaticWKmsArtifactWaterlevel((StaticWKmsArtifact) d4eArtifact, idx, from, to);
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68 }
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69
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70 if (d4eArtifact instanceof StaticWQKmsArtifact) {
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71 return fetchStaticWQKmsArtifactWaterlevel((StaticWQKmsArtifact) d4eArtifact, from, to);
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72 }
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73
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74 if (d4eArtifact instanceof WINFOArtifact)
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75 return fetchWINFOArtifactWaterlevel(context, (WINFOArtifact) d4eArtifact, idx, from, to);
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76
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77 if (d4eArtifact instanceof FixationArtifact)
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78 return fetchFixationArtifactWaterlevel(context, (FixationArtifact) d4eArtifact, idx, from, to);
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79
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80 log.warn(String.format("Get Waterlevel from %s not implemented! )", d4eArtifact.getClass().getSimpleName()));
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81 return null;
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82 }
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83
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84 // REMARK/TODO: instead of several helper methods here this would be a good place for abstraction, in order to push
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85 // this logic back to the corresponding artifacts
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86
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87 private WaterlevelData fetchStaticWKmsArtifactWaterlevel(final StaticWKmsArtifact staticWKms, final int idx,
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88 final double from, final double to) {
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89
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90 log.debug("WDifferencesState obtain data from StaticWKms");
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91
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92 final WKms wkms = staticWKms.getWKms(idx, from, to);
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93
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94 if (wkms != null)
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95 {
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96 // FIXME: woher bekommen?: eventuell zusammenhang mit tabelle 'time_intervals'
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97 final int year = -1;
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98 return new WaterlevelData(wkms, year);
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99 }
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100
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101 log.error("No WKms from Static artifact for this range.");
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102 return null;
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103 }
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104
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105 private WaterlevelData fetchStaticWQKmsArtifactWaterlevel(final StaticWQKmsArtifact staticWKms, final double from,
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106 final double to) {
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107
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108 log.debug("WDifferencesState obtain data from StaticWQKms");
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109
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110 final WQKms wkms = staticWKms.getWQKms(from, to);
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111
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112 if (wkms != null)
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113 {
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114 // FIXME: woher bekommen?: eventuell zusammenhang mit tabelle 'time_intervals'
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115 final int year = -1;
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116 return new WaterlevelData(wkms, year);
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117 }
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118
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119 log.error("No WKms from Static artifact for this range.");
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120 return null;
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121 }
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122
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123 private WaterlevelData fetchWINFOArtifactWaterlevel(final CallContext context, final WINFOArtifact flys,
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124 final int idx, final double from, final double to) {
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125 log.debug("Get WKms from WINFOArtifact");
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126
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127 final WKms[] wkms = (WKms[]) flys.getWaterlevelData(context).getData();
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128
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129 if (wkms == null || wkms.length == 0) {
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130 log.warn("no waterlevels in artifact");
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131 return null;
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132 }
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133
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134 if (wkms.length < idx + 1) {
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135 log.warn("Not enough waterlevels in artifact.");
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136 return null;
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137 }
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138
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139 // REAMRK: W_INFO results does not know any 'year'
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140 final int year = -1;
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141 return new WaterlevelData(wkms[idx], year).filterByRange(from, to);
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142 }
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143
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144 private WaterlevelData fetchFixationArtifactWaterlevel(final CallContext context,
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145 final FixationArtifact fixation, final int idx, final double from, final double to) {
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146
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147 log.debug("Get WKms from FixationArtifact.");
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148
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149 final CalculationResult r = (CalculationResult) fixation.compute(context, ComputeType.ADVANCE, false);
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150 final FixRealizingResult frR = (FixRealizingResult) r.getData();
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151
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152 // Get W/Q input per gauge for this case.
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153 final FixRealizingAccess fixAccess = new FixRealizingAccess(fixation);
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154 final List<Segment> segments = fixAccess.getSegments();
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155 final boolean isFixRealize = (segments != null && !segments.isEmpty());
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156
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157 /* ugly but necessary to keep this logic at least a bit inside the FixRealizing stuff */
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158 final FixRealizingCalculationExtended calculation = new FixRealizingCalculationExtended(fixAccess);
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159 final int year = calculation.determineMeanYear();
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160
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161 // REMARK: same logic as in WaterlevelExporter
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162 final boolean showAllGauges = isFixRealize;
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163
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164 return new WaterlevelData(frR.getWQKms()[idx], year, showAllGauges).filterByRange(from, to);
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165 }
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166 }

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