Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 4243:e68a710d9652

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Convert GaugeOverviewInfoService into RiverInfoService The service will be reused for the MeasurementStation info too and it returns a RiverInfo in both cases. Therefore rename the current GaugeOverviewInfoService into RiverInfoService.
author Björn Ricks <bjoern.ricks@intevation.de>
date Wed, 24 Oct 2012 15:50:41 +0200
parents de6e2b933f33
children d65cf8e40230
rev   line source
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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
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10 import org.apache.log4j.Logger;
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11
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12 /**
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13 * Facet of a Waterlevel (WQKms).
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14 */
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15 public class WaterlevelFacet extends DataFacet {
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16
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17 private static Logger logger = Logger.getLogger(WaterlevelFacet.class);
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18
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19 public WaterlevelFacet(int index, String name, String description) {
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20 super(index, name, description, ComputeType.ADVANCE, null, null);
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21 }
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22
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23 public WaterlevelFacet(
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24 int index,
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25 String name,
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26 String description,
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27 ComputeType type,
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28 String stateID,
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29 String hash
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30 ) {
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31 super(index, name, description, type, hash, stateID);
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32 }
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33
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34 public WaterlevelFacet() {
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35 }
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36
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37 protected WQKms [] getWQKms(CalculationResult res) {
1481322efc02 FixA: Removed instanceof hack to fetch the WQKms of the fix realizations.
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38 return (WQKms [])res.getData();
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39 }
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40
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41 /**
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42 * Get waterlevel data.
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43 * @return a WQKms at given index.
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44 */
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45 @Override
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46 public Object getData(Artifact artifact, CallContext context) {
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47
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48 if (logger.isDebugEnabled()) {
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49 logger.debug("Get data for waterlevels at index: " + index +
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50 " /stateId: " + stateId);
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51 }
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52
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53 if (artifact == null) {
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54 logger.error("WaterlevelFacet.getData: artifact is null");
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55 return null;
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56 }
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57
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58 FLYSArtifact winfo = (FLYSArtifact) artifact;
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59
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60 CalculationResult res = (CalculationResult)
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61 winfo.compute(context, hash, stateId, type, false);
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62
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63 if (res == null) {
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64 logger.error("WaterlevelFacet.getData: null result");
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65 return null;
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66 }
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67
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68 WQKms [] wqkms = getWQKms(res);
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69 Object KM = context.getContextValue("currentKm");
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70 if (KM != null) {
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71 logger.debug("interpolate at given km");
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72 // TODO handle exact match.
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73
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74 WQKms wqkmsI = wqkms[index];
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75 double km = (Double)KM;
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76
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77 // TODO employ DataUtils interface to TDoubleArraList
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78 int size = wqkmsI.size();
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79 boolean kmIncreasing = wqkmsI.getKm(0) < wqkmsI.getKm(size-1);
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80 int mod = kmIncreasing ? +1 : -1;
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81 int idx = 0;
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82 if (!kmIncreasing) {
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83 while (idx < size && wqkmsI.getKm(idx) < km) {
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84 idx++;
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85 }
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86 }
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87 else {
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88 idx = size-1;
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89 while (idx > 0 && wqkmsI.getKm(idx) > km) {
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90 idx--;
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91 }
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92 }
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93
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94 WQKms resultWQKms = new WQKms();
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95 if ((idx != -1) && (idx < size) && (idx - mod != -1) && (idx - mod < size)) {
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96 double inW = Linear.linear(
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97 km,
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98 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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99 wqkmsI.getW(idx), wqkmsI.getW(idx - mod));
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100 double inQ = Linear.linear(
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101 km,
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102 wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod),
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103 wqkmsI.getQ(idx), wqkmsI.getQ(idx - mod));
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104 resultWQKms.add(inW, inQ, km);
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105 }
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106
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107 return resultWQKms;
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108 }
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109
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110 return wqkms != null ? wqkms[index] : null;
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111 }
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112
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113
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114 /** Copy deeply. */
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115 @Override
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116 public Facet deepCopy() {
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117 WaterlevelFacet copy = new WaterlevelFacet();
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118 copy.set(this);
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119 copy.type = type;
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120 copy.hash = hash;
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121 copy.stateId = stateId;
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122 return copy;
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123 }
696
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
124 }
708b270dfd30 OutGenerators use now facets to fetch necessary data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
125 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org