Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/CrossSectionWaterLineFacet.java @ 7357:9d3e44ab25f2
Refactoring: Move functionality of BedHeightAccess into BedHeightFacet for now.
Idea is that Artifact and Access are lightweight. Access access the 'data'
('parameterization') attached to artifact, not the data delivered by means of
artifact and its parameterization.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Wed, 16 Oct 2013 10:42:45 +0200 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.model; import org.apache.log4j.Logger; import java.util.List; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.DataProvider; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.WaterLineArtifact; import org.dive4elements.river.model.FastCrossSectionLine; import org.dive4elements.river.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 :