Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeCurveFacet.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 | 9745f37c0d52 |
children | dbe9b7d6b80b |
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package de.intevation.flys.artifacts.model; import java.util.Arrays; import java.util.Map; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifactdatabase.state.DefaultFacet; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.model.Gauge; import de.intevation.flys.utils.FLYSUtils; import org.apache.log4j.Logger; /** * A Facet that returns discharge curve data at a gauge * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class GaugeDischargeCurveFacet extends DefaultFacet implements FacetTypes { private static final Logger log = Logger.getLogger(GaugeDischargeCurveFacet.class); public GaugeDischargeCurveFacet(String name, String description) { super(0, name, description); } @Override public Object getData(Artifact art, CallContext context) { return getWQKms(art, context); } protected WQKms getWQKms(Artifact art, CallContext context) { if (!(art instanceof FLYSArtifact)) { log.warn("Invalid artifact type"); return null; } FLYSArtifact flys = (FLYSArtifact)art; String river = flys.getDataAsString("river"); Gauge gauge = FLYSUtils.getReferenceGauge(flys); if (river == null || gauge == null) { log.warn("Unknown river or gauge"); return null; } String name = gauge.getName(); DischargeTables dt = new DischargeTables(river, name); Map<String, double [][]> map = dt.getValues( DischargeTables.HISTORICAL_SCALE); double [][] values = map.get(name); if (values == null) { return null; } double [] kms = new double[values[0].length]; Arrays.fill(kms, gauge.getStation().doubleValue()); return new WQKms(kms, values[0], values[1], name); } @Override public Facet deepCopy() { GaugeDischargeCurveFacet copy = new GaugeDischargeCurveFacet( this.name, this.description); copy.set(this); return copy; } }