Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/MiddleBedHeight.java @ 8659:af415396d9ca
(issue1803) Use MD5 instead of a homegrown hashing algorithm
For creating a digest of the parametrization we should use an
algorithm that does not create collisions if there are small changes
in the parametrization so that wrong results are returned.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Thu, 02 Apr 2015 17:40:18 +0200 |
parents | 9ab967eb2c51 |
children | 0a5239a1e46e |
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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.states; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.FacetActivity; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.BedHeightAccess; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.model.DataFacet; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.minfo.MiddleBedHeightCalculation; import org.dive4elements.river.artifacts.model.minfo.MiddleBedHeightData; import org.dive4elements.river.artifacts.model.minfo.MiddleBedHeightFacet; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.model.River; import org.dive4elements.river.model.Unit; /** State in which Middle Bed Heights are generated. */ public class MiddleBedHeight extends DefaultState implements FacetTypes { /** Private log. */ private static final Logger log = Logger.getLogger(MiddleBedHeight.class); @Override public Object computeAdvance( D4EArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { log.debug("MiddleBedHeight.computeAdvance"); List<Facet> newFacets = new ArrayList<Facet>(); BedHeightAccess access = new BedHeightAccess(artifact); River river = access.getRiver(); Unit u = river.getWstUnit(); CalculationResult res = old instanceof CalculationResult ? (CalculationResult) old : new MiddleBedHeightCalculation().calculate(access); if (facets == null || res == null) { return res; } MiddleBedHeightData[] data = (MiddleBedHeightData[]) res.getData(); log.debug("Calculated " + data.length + " MiddleBedHeightData objects"); String id = getID(); int idx = 0; for (MiddleBedHeightData d: data) { MiddleBedHeightFacet mf = new MiddleBedHeightFacet( idx, MIDDLE_BED_HEIGHT_SINGLE, d.getDescription(), ComputeType.ADVANCE, id, hash ); mf.addMetaData(Resources.getMsg( context.getMeta(), "meta.bedheight.cur.elevation", "Current elevation model"), d.getCurElevationModel()); mf.addMetaData(Resources.getMsg( context.getMeta(), "meta.bedheight.old.elevation", "Old elevation model"), d.getOldElevationModel()); mf.addMetaData(Resources.getMsg( context.getMeta(), "meta.bedheight.river.elevation", "River elevation model"), u.getName()); newFacets.add(mf); idx++; } Facet csv = new DataFacet( CSV, "CSV data", ComputeType.ADVANCE, hash, id); // TODO ADD PDF FACET newFacets.add(csv); log.debug("Created " + newFacets.size() + " new Facets."); facets.addAll(newFacets); return res; } static { // Active/deactivate facets. FacetActivity.Registry.getInstance().register( "minfo", new FacetActivity() { @Override public Boolean isInitialActive( Artifact artifact, Facet facet, String output ) { if (facet.getName().equals(MIDDLE_BED_HEIGHT_SINGLE)) { return Boolean.TRUE; } return null; } }); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :