Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/DataFacet.java @ 9425:3f49835a00c3
Extended CrossSectionFacet so it may fetch different data from within the artifact result.
Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author | gernotbelger |
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date | Fri, 17 Aug 2018 15:31:02 +0200 |
parents | 8c64617a7991 |
children |
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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() { // FIXME: why not use the full constructor instead? would also fix the next problem DataFacet copy = new DataFacet(); // FIXME: usage of internal knowledge of parent class... // Either the set method should be correctly overwritten, or implement a correct copy-constructor! copy.set(this); // FIXME: instead we need to overwrite set and call it here copy.type = type; copy.hash = hash; copy.stateId = stateId; return copy; } }