Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixAnalysisResult.java @ 6875:437856cec419

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FixA: Fixed reference events mapping. TODO: Same for analysis periods.
author Sascha L. Teichmann <teichmann@intevation.de>
date Tue, 20 Aug 2013 19:24:26 +0200
parents af13ceeba52a
children 2d96d8240e3e
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.artifacts.model.fixings;
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10
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11 import gnu.trove.TIntIntHashMap;
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12 import gnu.trove.TIntObjectHashMap;
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13 import gnu.trove.TLongHashSet;
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14
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15 import java.util.Collection;
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16 import java.util.Date;
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17 import java.util.TreeMap;
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18 import java.util.TreeSet;
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19
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20 import org.apache.commons.logging.Log;
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21 import org.apache.commons.logging.LogFactory;
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22 import org.dive4elements.river.artifacts.model.Parameters;
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23
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24 import org.dive4elements.river.utils.KMIndex;
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25
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26 public class FixAnalysisResult
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27 extends FixResult
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28 {
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29 private static final Log log =
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30 LogFactory.getLog(FixAnalysisResult.class);
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31
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32 protected KMIndex<AnalysisPeriod []> analysisPeriods;
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33
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34 public FixAnalysisResult() {
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35 }
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36
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37 public FixAnalysisResult(
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38 Parameters parameters,
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39 KMIndex<QWD []> referenced,
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40 KMIndex<QWI []> outliers,
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41 KMIndex<AnalysisPeriod []> analysisPeriods
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42 ) {
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43 super(parameters, referenced, outliers);
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44 this.analysisPeriods = analysisPeriods;
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45 }
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46
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47 public int getUsedSectorsInAnalysisPeriods() {
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48 int result = 0;
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49 for (KMIndex.Entry<AnalysisPeriod []> entry: analysisPeriods) {
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50 for (AnalysisPeriod period: entry.getValue()) {
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51 for (int i = 0; i < 4; ++i) {
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52 result |= period.getQSectorAverage(i) != null
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53 ? (1 << i)
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54 : 0;
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55 }
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56 // XXX: Stop early on result == ~(~0 << 4)) ?
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57 }
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58 }
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59 return result;
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60 }
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61
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62 public Collection<Date> getReferenceEventsDates() {
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63 TreeSet<Date> dates = new TreeSet<Date>();
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64 for (KMIndex.Entry<QWD []> entry: referenced) {
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65 QWD [] values = entry.getValue();
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66 for (int i = 0; i < values.length; i++) {
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67 dates.add(values[i].date);
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68 }
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69 }
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70 return dates;
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71 }
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72
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73 // TODO Refactor to be more general to be used for analysis periods, too.
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74 public void makeReferenceEventsDatesUnique() {
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75 TLongHashSet times = new TLongHashSet();
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76
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77 TIntObjectHashMap already = new TIntObjectHashMap();
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78
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79 boolean debug = log.isDebugEnabled();
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80
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81 for (KMIndex.Entry<QWD []> entry: referenced) {
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82 for (QWD value: entry.getValue()) {
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83 // Map same index to same new value
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84 if (already.containsKey(value.index)) {
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85 value.date = (Date)already.get(value.index);
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86 continue;
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87 }
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88 long time = value.date.getTime();
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89 if (!times.add(time)) { // same found before
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90 if (debug) {
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91 log.debug("Found date collision for: " + value.date);
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92 }
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93 do {
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94 time += 30L*1000L; // Add 30secs
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95 }
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96 while (!times.add(time));
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97 Date newDate = new Date(time);
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98 already.put(value.index, newDate);
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99 // write back modified time
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100 value.date = newDate;
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101 }
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102 else {
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103 already.put(value.index, value.date);
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104 }
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105 }
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106 }
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107 }
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108
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109 public Collection<Integer> getReferenceEventsIndices() {
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110 TreeMap<Date, Integer> dates = new TreeMap<Date, Integer>();
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111 for (KMIndex.Entry<QWD []> entry: referenced) {
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112 for (QWD value: entry.getValue()) {
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113 dates.put(value.date, value.index);
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114 }
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115 }
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116 return dates.values();
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117 }
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118
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119 public void remapReferenceIndicesToRank() {
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120 Collection<Integer> referenceIndices = getReferenceEventsIndices();
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121 int index = 0;
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122 TIntIntHashMap map = new TIntIntHashMap();
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123 boolean debug = log.isDebugEnabled();
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124 for (Integer refId: referenceIndices) {
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125 if (debug) {
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126 log.debug("map " + refId + " -> " + index);
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127 }
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128 map.put(refId, index);
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129 ++index;
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130 }
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131
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132 // Two passes: If there are shared references do not
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133 // remap them twice. In the first pass all indices are
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134 // mapped to negative values (assuming the original data
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135 // is all positive). If a negative value is found ignore
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136 // it because it was remapped before.
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137
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138 for (KMIndex.Entry<QWD []> entry: referenced) {
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139 for (QWD value: entry.getValue()) {
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140 if (value.index >= 0) {
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141 if (map.containsKey(value.index)) {
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142 value.index = -(map.get(value.index) + 1);
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143 }
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144 else {
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145 log.warn("Could not remap index: " + value.index);
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146 }
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147 }
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148 }
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149 }
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150
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151 // In the second pass all indices are turned to positive
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152 // values again.
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153 for (KMIndex.Entry<QWD []> entry: referenced) {
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154 for (QWD value: entry.getValue()) {
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155 if (value.index < 0) {
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156 value.index = -(value.index + 1);
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157 }
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158 }
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159 }
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160 }
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161
3730
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162 public Collection<Date> getAnalysisEventsDates(int analysisPeriod) {
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163 TreeSet<Date> dates = new TreeSet<Date>();
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164 for (KMIndex.Entry<AnalysisPeriod []> entry: analysisPeriods) {
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165 QWD [] qwds = entry.getValue()[analysisPeriod].getQWDs();
6875
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166 if (qwds != null) {
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167 for (QWD qwd: qwds) {
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168 dates.add(qwd.date);
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169 }
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170 }
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171 }
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172 return dates;
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173 }
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174
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175 public KMIndex<AnalysisPeriod []> getAnalysisPeriods() {
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176 return analysisPeriods;
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177 }
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178
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179 public void setAnalysisPeriods(KMIndex<AnalysisPeriod []> analysisPeriods) {
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180 this.analysisPeriods = analysisPeriods;
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181 }
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182 }
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183 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org