Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/process/Processor.java @ 6939:765cf5fe26c3
DischargeCurveGenerator: Prevent NPE when no gauge can be found.
No gauge happens e.g. at Rhein Vollmer-curve-calculations with
default values.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Thu, 29 Aug 2013 09:14:53 +0200 |
parents | 1b35b2ddfc28 |
children | f9d5020af0af |
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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.exports.process; import org.dive4elements.artifactdatabase.state.ArtifactAndFacet; import org.dive4elements.river.exports.XYChartGenerator; import org.dive4elements.river.themes.ThemeDocument; /** * A processor is intended to generate an output e.g. curve in a chart diagramm from * arbitrary data input which can be reused in several generators. * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public interface Processor { /** * Processes data to generate e.g. a chart. * * @param generator XYChartGenerator to add output on. * @param aandf The artifact and facet * @param theme The theme that contains styling information. * @param visible The visibility of the curve. * @param index The index of the curve */ public void doOut( XYChartGenerator generator, ArtifactAndFacet aandf, ThemeDocument theme, boolean visible, int index); /** * Returns true if the Processor class is able to generate output for a facet type * * @param facettype Name of the facet type * @return true if the facettype can be processed */ public boolean canHandle(String facettype); }