Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/StaticHYKState.java @ 6693:88bb0c794833

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issue1391: Enable GaugeDischarge artifact to directly load a table by its ID This allows us to use the GaugeDischargeArtifact for any discharge tables that we have in our database. The name of the created facet is taken from the ids string as is also usual in the WMS artifacts.
author Andre Heinecke <aheinecke@intevation.de>
date Mon, 29 Jul 2013 12:19:57 +0200
parents af13ceeba52a
children e4606eae8ea5
rev   line source
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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.states;
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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.apache.log4j.Logger;
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14
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15 import org.dive4elements.artifacts.CallContext;
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16 import org.dive4elements.artifacts.CallMeta;
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17
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18 import org.dive4elements.artifactdatabase.state.Facet;
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19
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20 import org.dive4elements.river.artifacts.D4EArtifact;
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21 import org.dive4elements.river.artifacts.HYKArtifact;
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22
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23 import org.dive4elements.river.artifacts.model.FacetTypes;
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24 import org.dive4elements.river.artifacts.model.HYKFacet;
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25 import org.dive4elements.river.artifacts.model.HYKFactory;
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26
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27 /**
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28 * Only state of a HYKArtifact.
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29 */
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30 public class StaticHYKState
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31 extends DefaultState
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32 implements FacetTypes
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33 {
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34 /** The logger that is used in this state. */
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35 transient private static final Logger logger = Logger.getLogger(StaticHYKState.class);
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36
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37
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38 /**
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39 * From this state can not be continued.
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40 */
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41 @Override
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42 protected String getUIProvider() {
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43 return "noinput";
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44 }
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45
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46
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47 /**
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48 * Compute, create Facets, do the same stuff as all the other states do.
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49 */
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50 protected Object compute(
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51 HYKArtifact hyk,
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52 CallMeta metaLocale,
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53 String hash,
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54 List<Facet> facets,
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55 Object old
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56 ) {
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57 logger.debug("StaticHYKState.compute");
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58 String id = getID();
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59
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60 // Prepare comparison against cached result.
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61 List<HYKFactory.Zone> resZones = old instanceof List
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62 ? (List<HYKFactory.Zone>)old
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63 : null;
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64
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65 // TODO Compare against cached object.
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66
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67 // Get Zones from HYKFactory
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68 List<HYKFactory.Zone> zones = (List<HYKFactory.Zone>)
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69 HYKFactory.getHYKs(hyk.getHykId(), hyk.getKm());
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70
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71 if (facets == null) {
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72 logger.debug("StaticHYKState.compute no facets");
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73 return zones;
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74 }
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75
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76 // Spawn Facets.
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77 Facet facet = new HYKFacet(0, HYKFactory.getHykName(hyk.getHykId()));
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78 facets.add(facet);
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79
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80 return zones;
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81 }
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82
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83
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84 /**
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85 * Get data, create the facets.
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86 *
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87 * @param context Ignored.
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88 */
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89 @Override
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90 public Object computeFeed(
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91 D4EArtifact artifact,
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92 String hash,
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93 CallContext context,
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94 List<Facet> facets,
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95 Object old
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96 ) {
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97 return compute((HYKArtifact) artifact, context.getMeta(),
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98 hash, facets, old);
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99 }
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100
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101
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102 /**
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103 * Create the facets.
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104 * @param context Ignored.
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105 */
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106 @Override
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107 public Object computeInit(
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108 D4EArtifact artifact,
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109 String hash,
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110 Object context,
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111 CallMeta meta,
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112 List<Facet> facets
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113 ) {
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114 return compute((HYKArtifact) artifact, meta, hash, facets,
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115 null);
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116 }
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117 }
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118 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org