Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 5444:70e0732bd4dd

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WaterlevelFacet: Avoid classcastexceptions.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 27 Mar 2013 09:49:04 +0100
parents d65cf8e40230
children 3c7e7d47939f
rev   line source
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708b270dfd30 OutGenerators use now facets to fetch necessary data.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.artifactdatabase.state.Facet;
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4 import de.intevation.artifacts.Artifact;
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5 import de.intevation.artifacts.CallContext;
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6 import de.intevation.flys.artifacts.FLYSArtifact;
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7 import de.intevation.flys.artifacts.math.Linear;
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8 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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9 import de.intevation.flys.artifacts.model.extreme.ExtremeResult;
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11 import org.apache.log4j.Logger;
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12
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13 /**
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14 * Facet of a Waterlevel (WQKms).
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15 */
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16 public class WaterlevelFacet extends DataFacet {
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17
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18 private static Logger logger = Logger.getLogger(WaterlevelFacet.class);
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19
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20 public WaterlevelFacet(int index, String name, String description) {
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21 super(index, name, description, ComputeType.ADVANCE, null, null);
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22 }
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23
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24 public WaterlevelFacet(
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25 int index,
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26 String name,
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27 String description,
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28 ComputeType type,
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29 String stateID,
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30 String hash
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31 ) {
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32 super(index, name, description, type, hash, stateID);
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33 }
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34
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35 public WaterlevelFacet() {
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36 }
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37
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38 protected WQKms [] getWQKms(CalculationResult res) {
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39 if (res.getData() instanceof ExtremeResult)
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40 return ((ExtremeResult) res.getData()).getWQKms();
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41 else if (res.getData() instanceof WQKms[]) {
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42 return (WQKms []) res.getData();
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43 }
70e0732bd4dd WaterlevelFacet: Avoid classcastexceptions.
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44 else {
70e0732bd4dd WaterlevelFacet: Avoid classcastexceptions.
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45 logger.error("WaterlevelFacet got wrong data type " + res.getData());
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46 return null;
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47 }
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48 }
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49
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50 /**
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51 * Get waterlevel data.
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52 * @return a WQKms at given index.
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53 */
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54 @Override
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55 public Object getData(Artifact artifact, CallContext context) {
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56
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57 if (logger.isDebugEnabled()) {
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58 logger.debug("Get data for waterlevels at index: " + index +
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59 " /stateId: " + stateId);
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60 }
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61
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62 if (artifact == null) {
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63 logger.error("WaterlevelFacet.getData: artifact is null");
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64 return null;
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65 }
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66
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67 FLYSArtifact winfo = (FLYSArtifact) artifact;
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68
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69 CalculationResult res = (CalculationResult)
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70 winfo.compute(context, hash, stateId, type, false);
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71
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72 if (res == null) {
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73 logger.error("WaterlevelFacet.getData: null result");
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74 return null;
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75 }
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76
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77 WQKms [] wqkms = getWQKms(res);
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78 Object KM = context.getContextValue("currentKm");
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79 if (KM != null) {
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80 logger.debug("interpolate at given km");
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81 // TODO handle exact match.
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82
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83 WQKms wqkmsI = wqkms[index];
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84 double km = (Double)KM;
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85
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86 // TODO employ DataUtils interface to TDoubleArraList
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87 int size = wqkmsI.size();
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88 boolean kmIncreasing = wqkmsI.getKm(0) < wqkmsI.getKm(size-1);
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89 int mod = kmIncreasing ? +1 : -1;
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90 int idx = 0;
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91 if (!kmIncreasing) {
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92 while (idx < size && wqkmsI.getKm(idx) < km) {
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93 idx++;
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94 }
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95 }
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96 else {
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97 idx = size-1;
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98 while (idx > 0 && wqkmsI.getKm(idx) > km) {
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99 idx--;
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100 }
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101 }
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102
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103 WQKms resultWQKms = new WQKms();
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104 if ((idx != -1) && (idx < size) && (idx - mod != -1) && (idx - mod < size)) {
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105 double inW = Linear.linear(
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106 km,
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107 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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108 wqkmsI.getW(idx), wqkmsI.getW(idx - mod));
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109 double inQ = Linear.linear(
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110 km,
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111 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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112 wqkmsI.getQ(idx), wqkmsI.getQ(idx - mod));
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113 resultWQKms.add(inW, inQ, km);
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114 }
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115
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116 return resultWQKms;
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117 }
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118
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119 return wqkms != null ? wqkms[index] : null;
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120 }
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121
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8da5f5a9ed3c Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1117
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123 /** Copy deeply. */
8da5f5a9ed3c Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1117
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124 @Override
1061
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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125 public Facet deepCopy() {
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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126 WaterlevelFacet copy = new WaterlevelFacet();
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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127 copy.set(this);
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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128 copy.type = type;
2125
7a8f52267a5c Fix stateId/hash assignment in WaterlevelFacet.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2122
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129 copy.hash = hash;
2122
81312f84689a Refactored to easier enjoy benefits of caching.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2026
diff changeset
130 copy.stateId = stateId;
1061
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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131 return copy;
b1b0a0b61845 Made facets cloneable with the right type.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 742
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132 }
696
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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133 }
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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134 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org