Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/WaterlevelInfoState.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 | 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.artifacts.states; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.WINFOArtifact; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.ReportFacet; import org.dive4elements.river.artifacts.model.WaterlevelFacet; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.artifacts.model.DataFacet; import org.dive4elements.river.artifacts.model.CrossSectionWaterLineFacet; import org.dive4elements.river.artifacts.model.CalculationResult; public class WaterlevelInfoState extends DefaultState implements FacetTypes { /** The logger that is used in this state. */ private static Logger logger = Logger.getLogger(WaterlevelInfoState.class); @Override protected String getUIProvider() { return "noinput"; } @Override public Object computeInit( D4EArtifact artifact, String hash, Object context, CallMeta meta, List<Facet> facets ) { return compute((WINFOArtifact) artifact, hash, facets, null); } protected Object compute( WINFOArtifact winfo, String hash, List<Facet> facets, Object old ) { logger.debug("WaterlevelInfoState.compute"); String id = getID(); CalculationResult res = old instanceof CalculationResult ? (CalculationResult)old : winfo.getWaterlevelData(); if (facets == null) { return res; } WQKms [] wqkms = (WQKms [])res.getData(); for (int i = 0; i < wqkms.length; i++) { String nameW = null; String nameQ = null; if (winfo.isQ()) { nameQ = wqkms[i].getName(); nameW = "W(" + nameQ + ")"; } else { nameW = wqkms[i].getName(); nameQ = "Q(" + nameQ + ")"; } logger.debug("WaterlevelInfoState Create facet: " + nameW); logger.debug("WaterlevelInfoState Create facet: " + nameQ); Facet w = new WaterlevelFacet( i, LONGITUDINAL_W, nameW, ComputeType.ADVANCE, id, hash); Facet q = new WaterlevelFacet( i, LONGITUDINAL_Q, nameQ, ComputeType.ADVANCE, id, hash); facets.add(w); facets.add(q); } if (wqkms.length > 0) { Facet wst = new DataFacet( WST, "WST data", ComputeType.ADVANCE, hash, id); Facet csv = new DataFacet( CSV, "CSV data", ComputeType.ADVANCE, hash, id); facets.add(wst); facets.add(csv); } if (res.getReport().hasProblems()) { facets.add(new ReportFacet(ComputeType.ADVANCE, hash, id)); } // TODO Adjust to WaterlevelState - implementation. facets.add(new CrossSectionWaterLineFacet(0, "Q=" + winfo.getDataAsString("wq_single"))); // Assume to be in wq_single mode. return res; } /** * @param context Ignored. */ @Override public Object computeFeed( D4EArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { return compute((WINFOArtifact) artifact, hash, facets, old); } /** * @param context Ignored. */ @Override public Object computeAdvance( D4EArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { return compute((WINFOArtifact) artifact, hash, facets, old); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :