Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/DataFacet.java @ 8548:0011508d2f9d
(issue1754) Gracefully handle empty differenc results (e.g from km 0,001 to 0,002)
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 16 Feb 2015 15:27:39 +0100 |
parents | af13ceeba52a |
children | 8c64617a7991 |
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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.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; public class DataFacet extends BlackboardDataFacet { protected ComputeType type; protected String hash; protected String stateId; /** Trivial constructor. */ public DataFacet() { } /** * Defaults to ADVANCE Compute type. * @param name Name of the facet. * @param description maybe localized description of the facet. */ public DataFacet(String name, String description) { this(name, description, ComputeType.ADVANCE); } public DataFacet(String name, String description, ComputeType type) { this(name, description, type, null); } public DataFacet( String name, String description, ComputeType type, String hash ) { super(name, description); this.type = type; this.hash = hash; } public DataFacet( String name, String description, ComputeType type, String hash, String stateId ) { super(name, description); this.type = type; this.hash = hash; this.stateId = stateId; } public DataFacet( int index, String name, String description, ComputeType type, String hash, String stateId ) { super(index, name, description); this.type = type; this.hash = hash; this.stateId = stateId; } /** * Return computation result. */ @Override public Object getData(Artifact artifact, CallContext context) { D4EArtifact flys = (D4EArtifact)artifact; String theHash = (hash != null) ? hash : flys.hash(); return (stateId != null && stateId.length() > 0) ? flys.compute(context, theHash, stateId, type, false) : flys.compute(context, theHash, type, false); } /** * Return a deep copy. */ @Override public Facet deepCopy() { DataFacet copy = new DataFacet(); copy.set(this); copy.type = type; copy.hash = hash; copy.stateId = stateId; return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :