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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.sinfo.flowdepthminmax; |
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10 |
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11 import java.util.List; |
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12 |
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13 import org.dive4elements.artifactdatabase.state.Facet; |
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14 import org.dive4elements.artifacts.CallContext; |
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15 import org.dive4elements.river.artifacts.ChartArtifact; |
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16 import org.dive4elements.river.artifacts.D4EArtifact; |
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17 import org.dive4elements.river.artifacts.model.Calculation; |
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18 import org.dive4elements.river.artifacts.model.CalculationResult; |
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19 import org.dive4elements.river.artifacts.model.DataFacet; |
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20 import org.dive4elements.river.artifacts.model.EmptyFacet; |
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21 import org.dive4elements.river.artifacts.model.FacetTypes; |
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22 import org.dive4elements.river.artifacts.model.ReportFacet; |
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23 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; |
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24 import org.dive4elements.river.artifacts.states.DefaultState; |
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25 |
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26 /** State in which a waterlevel has been calculated. */ |
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27 public class FlowDepthMinMaxState extends DefaultState { |
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28 |
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29 /// ** The log that is used in this state. */ |
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30 // private static Logger log = Logger.getLogger(FlowDepthState.class); |
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31 |
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32 private static final long serialVersionUID = 1L; |
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33 |
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34 /** |
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35 * From this state can only be continued trivially. |
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36 */ |
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37 @Override |
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38 protected String getUIProvider() { |
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39 return "continue"; |
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40 } |
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41 |
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42 @Override |
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43 public Object computeFeed(final D4EArtifact artifact, final String hash, final CallContext context, final List<Facet> facets, final Object old) { |
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44 // FIXME: why is this necessary? |
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45 if (artifact instanceof ChartArtifact) { |
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46 facets.add(new EmptyFacet()); |
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47 return null; |
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48 } |
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49 |
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50 return compute((SINFOArtifact) artifact, context, hash, facets, old); |
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51 } |
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52 |
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53 @Override |
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54 public Object computeAdvance(final D4EArtifact artifact, final String hash, final CallContext context, final List<Facet> facets, final Object old) { |
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55 if (artifact instanceof ChartArtifact) { |
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56 facets.add(new EmptyFacet()); |
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57 return null; |
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58 } |
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59 return compute((SINFOArtifact) artifact, context, hash, facets, old); |
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60 } |
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61 |
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62 /** |
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63 * Compute result or returned object from cache, create facets. |
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64 * |
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65 * @param old |
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66 * Object that was cached. |
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67 */ |
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68 private Object compute(final SINFOArtifact sinfo, final CallContext context, final String hash, final List<Facet> facets, final Object old) { |
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69 |
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70 final CalculationResult res = doCompute(sinfo, context, old); |
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71 |
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72 if (facets == null) |
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73 return res; |
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74 |
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75 final FlowDepthMinMaxCalculationResults results = (FlowDepthMinMaxCalculationResults) res.getData(); |
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76 |
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77 /* add themes for chart, for each result */ |
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78 final List<FlowDepthMinMaxCalculationResult> resultList = results.getResults(); |
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79 for (int index = 0; index < resultList.size(); index++) { |
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80 |
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81 final FlowDepthMinMaxCalculationResult result = resultList.get(index); |
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82 |
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83 /* filtered (zoom dependent mean) flow depth */ |
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84 // facets.add(FlowDepthProcessor.createFlowDepthFacet(context, hash, this.id, result, index)); |
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85 |
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86 } |
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87 |
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88 if (!resultList.isEmpty()) { |
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89 final Facet csv = new DataFacet(FacetTypes.CSV, "CSV data", ComputeType.ADVANCE, hash, this.id); |
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90 final Facet pdf = new DataFacet(FacetTypes.PDF, "PDF data", ComputeType.ADVANCE, hash, this.id); |
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91 |
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92 facets.add(csv); |
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93 facets.add(pdf); |
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94 } |
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95 |
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96 final Calculation report = res.getReport(); |
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97 if (report.hasProblems()) |
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98 facets.add(new ReportFacet(ComputeType.ADVANCE, hash, this.id)); |
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99 |
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100 return res; |
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101 } |
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102 |
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103 private CalculationResult doCompute(final SINFOArtifact sinfo, final CallContext context, final Object old) { |
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104 if (old instanceof CalculationResult) |
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105 return (CalculationResult) old; |
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106 |
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107 return new FlowDepthMinMaxCalculation(context).calculate(sinfo); |
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108 } |
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109 } |