Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/access/HistoricalDischargeAccess.java @ 7357:9d3e44ab25f2

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Refactoring: Move functionality of BedHeightAccess into BedHeightFacet for now. Idea is that Artifact and Access are lightweight. Access access the 'data' ('parameterization') attached to artifact, not the data delivered by means of artifact and its parameterization.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 16 Oct 2013 10:42:45 +0200
parents af13ceeba52a
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
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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 java.util.Date;
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12
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13 import org.dive4elements.river.artifacts.D4EArtifact;
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14 import org.dive4elements.river.artifacts.model.Timerange;
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15
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16
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17 public class HistoricalDischargeAccess extends RiverAccess {
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18
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19 public static enum EvaluationMode {
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20 W(0), Q(1);
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21
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22 private final int mode;
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23
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24 EvaluationMode(int mode) {
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25 this.mode = mode;
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26 }
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27
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28 public int getMode() {
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29 return mode;
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30 }
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31 }
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32
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33 public static final String DATA_EVALUATION_TIME = "year_range";
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34 public static final String DATA_EVALUATION_MODE = "historical_mode";
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35 public static final String DATA_INPUT_VALUES = "historical_values";
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36 public static final String DATA_REFERENCE_GAUGE = "reference_gauge";
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37
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38 private Timerange evaluationTimerange;
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39 private EvaluationMode evaluationMode;
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40
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41 private double[] qs;
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42 private double[] ws;
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43
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44 private Long officialGaugeNumber;
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45
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46 public HistoricalDischargeAccess(D4EArtifact artifact) {
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47 super(artifact);
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48 }
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49
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50 /**
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51 * This method returns the evaluation mode. The evaluation mode W is set, if
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52 * the <b>DATA_EVALUATION_MODE</b> is 0. Otherwise, the evaluation mode Q is
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53 * set.
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54 *
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55 * @return EvaluationMode.W if the parameter <i>historical_mode</i> is set
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56 * to 0, otherwise EvaluationMode.Q.
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57 */
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58 public EvaluationMode getEvaluationMode() {
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59 if (evaluationMode == null) {
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60 int mode = getInteger(DATA_EVALUATION_MODE);
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61 evaluationMode = mode == 0 ? EvaluationMode.W : EvaluationMode.Q;
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62 }
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63
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64 return evaluationMode;
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65 }
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66
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67
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68 /**
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69 * This method returns the time range specified by <i>year_range</i>
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70 * parameter. This parameter has to be a string that consists of two long
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71 * values (time millis since 1970) separated by a ';'.
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72 *
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73 * @return the evaluation time range specified by <i>year_range</i>.
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74 */
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75 public Timerange getEvaluationTimerange() {
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76 if (evaluationTimerange == null) {
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77 long[] startend = getLongArray(DATA_EVALUATION_TIME);
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78
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79 if (startend != null && startend.length > 1) {
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80 Date start = new Date(startend[0]);
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81 Date end = new Date(startend[1]);
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82
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83 evaluationTimerange = new Timerange(start, end);
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84 evaluationTimerange.sort();
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85 }
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86 }
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87
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88 return evaluationTimerange;
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89 }
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90
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91 /**
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92 * This method returns the input Q values if the evaluation mode Q is set.
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93 * Otherwise, this method will return a double array of length 0. The values
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94 * returned by this method are extracted from string parameter
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95 * <i>historical_values</i>.
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96 *
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97 * @return the input Q values or a double array of length 0.
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98 */
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99 public double[] getQs() {
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100 if (qs == null) {
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101 if (getEvaluationMode() == EvaluationMode.Q) {
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102 qs = getDoubleArray(DATA_INPUT_VALUES);
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103 }
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104 else {
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105 qs = new double[0];
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106 }
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107 }
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108
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109 return qs;
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110 }
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111
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112 /**
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113 * This method returns the input W values if the evaluation mode W is set.
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114 * Otherwise, this method will return a double array of length 0. The values
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115 * returned by this method are extracted from string parameter
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116 * <i>historical_values</i>.
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117 *
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118 * @return the input W values or a double array of length 0.
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119 */
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120 public double[] getWs() {
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121 if (ws == null) {
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122 if (getEvaluationMode() == EvaluationMode.W) {
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123 ws = getDoubleArray(DATA_INPUT_VALUES);
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124 }
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125 else {
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126 ws = new double[0];
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127 }
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128 }
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129
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130 return ws;
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131 }
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132
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133 public Long getOfficialGaugeNumber() {
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134 if (officialGaugeNumber == null) {
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135 officialGaugeNumber = getLong(DATA_REFERENCE_GAUGE);
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136 }
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137 return officialGaugeNumber;
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138 }
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139 }
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