Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/collections/OutputParser.java @ 6140:60b94dec104b
Add handling of bound artifacts.
When an artifact is bound to an out its facets will only be shown
in that Out. They will be removed in the blackboard pass and marked
as incompatible by the AttributeWriter
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Fri, 31 May 2013 15:29:30 +0200 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
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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.collections; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.log4j.Logger; import org.dive4elements.artifacts.ArtifactDatabase; import org.dive4elements.artifacts.ArtifactDatabaseException; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.Output; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.model.ManagedFacetAdapter; /** * The OutputParsers task is to pull Artifacts from database and put * its outputs and facets into some structures. */ public class OutputParser { /** Constant XPath that points to the outputmodes of an artifact. */ public static final String XPATH_ARTIFACT_OUTPUTMODES = "/art:result/art:outputmodes/art:output"; private static Logger logger = Logger.getLogger(OutputParser.class); protected ArtifactDatabase db; protected CallMeta meta; protected CallContext context; /** Map outputs name to Output. */ protected Map<String, Output> outs; /** Map facets name to list of Facets. */ protected List<Facet> facets; /** * @param db Database used to fetch artifacts, outputs and facets. */ public OutputParser(ArtifactDatabase db, CallContext context) { this.db = db; this.meta = context.getMeta(); this.context = context; this.outs = new HashMap<String, Output>(); this.facets = new ArrayList<Facet>(); } /** * Gets raw artifact with given id and sorts outputs in mapping. * Converts Facets to ManagedFacets on the way. * @param uuid uuid of artifact to load from database. */ public void parse(String uuid) throws ArtifactDatabaseException { logger.debug("OutputParser.parse: " + uuid); D4EArtifact flys = (D4EArtifact) db.getRawArtifact(uuid); List<Output> outList = flys.getOutputs(context); logger.debug(" has " + outList.size() + " Outputs."); for (Output out: outList) { String name = out.getName(); logger.debug("Process Output '" + name + "'"); Output o = outs.get(name); int pos = 1; if (o == null) { o = new DefaultOutput( out.getName(), out.getDescription(), out.getMimeType(), new ArrayList<Facet>(), out.getType()); outs.put(name, o); } else { logger.debug("OutputParser.parse: Use 'old' Output"); pos = o.getFacets().size() + 1; } List<Facet> mfacets = facet2ManagedFacet(uuid, out.getFacets(), pos); o.addFacets(mfacets); this.facets.addAll(mfacets); } } /** * Access mapping of Outputname to Output. */ public Map<String, Output> getOuts() { return outs; } /** * Access all facets. */ public List<Facet> getFacets() { return this.facets; } /** * Creates a list of ManagedFacets from list of Facets. * @param pos Position of first facet (for each other the positions * will be increased). */ protected List<Facet> facet2ManagedFacet( String uuid, List<Facet> old, int pos) { List<Facet> newFacets = new ArrayList<Facet>(old.size()); logger.debug("There are " + old.size() + " Facets for this Output."); for (Facet f: old) { newFacets.add(new ManagedFacetAdapter(f, uuid, pos++, 1, 1)); } return newFacets; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :