Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionWaterLineFacet.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | 719680a282e5 |
children |
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package de.intevation.flys.artifacts.model; import org.apache.log4j.Logger; import java.util.List; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.DataProvider; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.artifacts.WaterLineArtifact; import de.intevation.flys.model.FastCrossSectionLine; import de.intevation.flys.artifacts.geom.Lines; /** * Facet for Waterlines in Cross Sections. */ public class CrossSectionWaterLineFacet extends BlackboardDataFacet implements FacetTypes { /** Private logger to use. */ private static Logger logger = Logger.getLogger(CrossSectionWaterLineFacet.class); /** Trivial constructor, set (maybe localized) description. */ public CrossSectionWaterLineFacet(int idx, String description) { super(idx, CROSS_SECTION_WATER_LINE, description); } /** * Trivial constructor, set (maybe localized) description. * @param idx Index of this facet. * @param name 'type' of this facet. * @param description (maybe) localized user-visible description. */ public CrossSectionWaterLineFacet(int idx, String name, String description) { super(idx, name, description); } /** * Gets waterline (crossed with cross section) of waterlevel. */ public Object getData(Artifact artifact, CallContext context) { logger.debug("Get data for cross section water line"); List<DataProvider> providers = context. getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA); if (providers.size() < 1) { logger.warn("Could not find Cross-Section data provider."); return new Lines.LineData(new double[][] {}, 0d, 0d); } Object crossSection = providers.get(0) .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA, null, context); Object nextKm = providers.get(0). provideData(CrossSectionFacet.BLACKBOARD_CS_NEXT_KM, null, context); Object prevKm = providers.get(0). provideData(CrossSectionFacet.BLACKBOARD_CS_PREV_KM, null, context); if (prevKm == null) prevKm = new Double(-1d); if (nextKm == null) nextKm = new Double(-1d); if (!(artifact instanceof WaterLineArtifact)) { logger.error("CrossSectionWaterLineFacet needs WaterLineArtifact"); return new Lines.LineData(new double[][] {}, 0d,0d); } WaterLineArtifact lineArtifact = (WaterLineArtifact) artifact; if (crossSection != null) { return lineArtifact.getWaterLines(this.getIndex(), (FastCrossSectionLine) crossSection, (Double) nextKm, (Double) prevKm, context); } else { return new Lines.LineData(new double[][] {}, 0d,0d); } } /** Do a deep copy. */ @Override public Facet deepCopy() { CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet( this.getIndex(), this.description); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :