Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/BedHeightsArtifact.java @ 7471:fff862f4ef76
Experimental caching of datacage recommendations. The respective hook is called a lot and running the datacage over and over again when loading data can be expensive. So the generated recommendations are cached for some time.
Hopefully this improves the overall speed of loading data from the datacage.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Wed, 30 Oct 2013 15:26:21 +0100 |
parents | f37c7e183b5e |
children | bc16d5031b31 |
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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; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.FacetActivity; import org.dive4elements.artifacts.ArtifactFactory; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.minfo.BedHeightFacet; import org.dive4elements.river.artifacts.model.minfo.BedHeightFactory; import org.dive4elements.river.artifacts.states.StaticState; public class BedHeightsArtifact extends AbstractStaticStateArtifact implements FacetTypes { /** The logger for this class. */ private static Logger logger = Logger.getLogger(BedHeightsArtifact.class); /** Artifact name. */ private static final String NAME = "bedheights"; static { // TODO: Move to configuration. FacetActivity.Registry.getInstance() .register(NAME, FacetActivity.INACTIVE); } public static final String STATIC_STATE_NAME = "state.additional_bedheights.static"; /** Data Item name to know whether we are Heighmarks and receive * some data slightly different. */ public static final String DATA_HEIGHT_TYPE = "height_marks"; /** * Trivial Constructor. */ public BedHeightsArtifact() { logger.debug("BedHeightsArtifact.BedHeightsArtifact"); } @Override public String getName() { return NAME; } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("BedHeightsArtifact.setup"); if (logger.isDebugEnabled()) { logger.debug(XMLUtils.toString(data)); } String code = getDatacageIDValue(data); if (code != null) { String [] parts = code.split("-"); if (parts.length >= 4) { String name = parts[0]; String type = parts[1]; String btype = type; int hId = Integer.parseInt(parts[2]); if (name.equals("bedheight")) { addStringData("type", type); addStringData("height_id", parts[2]); addStringData("time", parts[3]); } if (type.equals("singlevalues")) { btype = "single"; } String bedHName = BedHeightFactory.getHeightName(btype, hId); Facet facet = new BedHeightFacet( BEDHEIGHT, bedHName, type); ArrayList<Facet> facets = new ArrayList<Facet>(1); facets.add(facet); addFacets(STATIC_STATE_NAME, facets); } } super.setup(identifier, factory, context, callMeta, data); } @Override protected void initStaticState() { logger.debug("initStaticState " + getName() + " " + identifier()); StaticState state = new StaticState(STATIC_STATE_NAME); DefaultOutput output = new DefaultOutput( "general", "general", "image/png", "chart"); List<Facet> facets = getFacets(STATIC_STATE_NAME); output.addFacets(facets); state.addOutput(output); setStaticState(state); } @Override protected void initialize(Artifact artifact, Object context, CallMeta meta) { // do not clone facets, etc. from master artifact logger.debug("initialize"); importData((D4EArtifact)artifact, "river"); importData((D4EArtifact)artifact, "ld_from"); importData((D4EArtifact)artifact, "ld_to"); logger.debug("ld_from " + getDataAsString("ld_from")); logger.debug("ld_to " + getDataAsString("ld_to")); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :