Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeCurveFacet.java @ 4255:670e98f5a441
Fixed leak while merging facets.
The ThemeList that is used by OutputHelper to sort the
Facets for an Output now uses a list to store the ManagedFacets.
The correct order is made up by sorting the List using
Collections.sort() function of the Java JDK. Therfore, the
ManagedFacet class implements the Comparable interface. The
return value of its compareTo(other) method depends on the
value of the 'position' field.
author | Ingo Weinzierl <weinzierl.ingo@googlemail.com> |
---|---|
date | Thu, 25 Oct 2012 14:01:46 +0200 |
parents | 21f4e4b79121 |
children | 5d19a291bd9f |
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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) { 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(100d); 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; } }