Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/DischargeState.java @ 9390:f575ff573cbb

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"Name der Peilung" columname minfo.
author gernotbelger
date Thu, 09 Aug 2018 15:22:31 +0200
parents e4606eae8ea5
children
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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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.states;
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10
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11 import java.util.Collections;
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12 import java.util.Comparator;
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13 import java.util.List;
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14
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15 import org.apache.log4j.Logger;
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16 import org.dive4elements.artifacts.Artifact;
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17 import org.dive4elements.artifacts.CallContext;
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18 import org.dive4elements.artifacts.common.model.KVP;
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19 import org.dive4elements.river.artifacts.D4EArtifact;
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20 import org.dive4elements.river.model.DischargeZone;
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21 import org.dive4elements.river.model.River;
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22 import org.dive4elements.river.utils.RiverUtils;
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23
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24 public class DischargeState extends MultiIntArrayState {
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25
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26 public static final String MAIN_CHANNEL = "main_channel";
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27 public static final String TOTAL_CHANNEL = "total_channel";
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28
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29 private static final Logger log = Logger.getLogger(DischargeState.class);
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30
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31 /** Let client display a matrix. */
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32 @Override
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33 public String getUIProvider() {
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34 return "parameter-matrix-flowvelocity";
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35 }
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36
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37 /**
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38 * This method fetches all DischargeZones for a given river (extracted from
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39 * <i>artifact</i>) and returns a KVP[] where the key is the ID of the
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40 * DischargeZone and the value is a string that consists of lower discharge
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41 * and upper discharge.
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42 *
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43 * @param artifact
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44 * Needs to be a D4EArtifact that provides river
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45 * information.
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46 * @param parameterName
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47 * The name of a parameter.
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48 *
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49 * @return a KVP[].
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50 */
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51 @Override
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52 protected KVP<Integer, String>[] getOptions(final Artifact artifact, final String parameterName) throws IllegalArgumentException {
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53 if (!testParameterName(parameterName)) {
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54 throw new IllegalArgumentException("Invalid parameter for state: '" + parameterName + "'");
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55 }
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56
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57 final List<DischargeZone> zones = getDischargeZones(artifact);
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58
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59 final KVP[] kvp = new KVP[zones.size()];
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60
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61 Collections.sort(zones, new Comparator<DischargeZone>() {
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62 @Override
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63 public int compare(final DischargeZone a, final DischargeZone b) {
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64 return a.getValue().compareTo(b.getValue());
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65 }
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66 });
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67
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68 int i = 0;
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69
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70 for (final DischargeZone zone : zones) {
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71 final String lower = zone.getLowerDischarge();
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72 final String upper = zone.getUpperDischarge();
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73
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74 if (lower.equals(upper)) {
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75 kvp[i] = new KVP(zone.getId(), lower);
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76 } else {
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77 kvp[i] = new KVP(zone.getId(), lower + " - " + upper);
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78 }
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79 i++;
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80 }
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81
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82 return kvp;
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83 }
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84
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85 @Override
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86 protected String getLabelFor(final CallContext cc, final String parameterName, final int value) throws IllegalArgumentException {
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87 if (!testParameterName(parameterName)) {
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88 throw new IllegalArgumentException("Invalid parameter for state: '" + parameterName + "'");
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89 }
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90
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91 final DischargeZone zone = DischargeZone.getDischargeZoneById(value);
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92
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93 if (zone == null) {
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94 throw new IllegalArgumentException("Invalid id for DischargeZone: '" + value + "'");
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95 }
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96
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97 final String lo = zone.getLowerDischarge();
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98 final String hi = zone.getUpperDischarge();
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99
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100 return hi != null && !lo.equals(hi) ? lo + " - " + hi : lo;
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101 }
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102
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103 /**
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104 * This method might be used to test, if a parameter name is handled by this
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105 * state.
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106 *
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107 * @param parameterName
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108 * The name of a parameter.
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109 *
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110 * @return true, if parameterName is one of <i>MAIN_CHANNEL</i> or
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111 * <i>TOTAL_CHANNEL</i>. Otherwise false.
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112 */
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113 protected boolean testParameterName(final String parameterName) {
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114 if (parameterName == null || parameterName.length() == 0) {
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115 return false;
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116 } else if (parameterName.equals(MAIN_CHANNEL)) {
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117 return true;
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118 } else if (parameterName.equals(TOTAL_CHANNEL)) {
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119 return true;
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120 } else {
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121 return false;
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122 }
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123 }
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124
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125 /**
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126 * Returns all discharge zones for a given river. The river information is
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127 * extracted from <i>artifact</i> using RiverUtils.getRiver().
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128 *
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129 * @param artifact
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130 * Needs to be a D4EArtifact that stores a rivername.
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131 *
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132 * @return a list of DischargeZones.
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133 *
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f575ff573cbb "Name der Peilung" columname minfo.
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134 * @throws IllegalArgumentException
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135 * if no river information is provided by
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136 * <i>artifact</i>.
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137 */
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138 protected List<DischargeZone> getDischargeZones(final Artifact artifact) throws IllegalArgumentException {
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139 final River river = RiverUtils.getRiver((D4EArtifact) artifact);
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140
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141 if (river == null) {
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142 throw new IllegalArgumentException("No river found");
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143 }
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144
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145 final List<DischargeZone> zones = DischargeZone.getDischargeZones(river);
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146
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147 log.debug("Found " + zones.size() + " DischargeZones.");
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148
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149 return zones;
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150 }
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151 }
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152 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org