Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/HWSDatacageState.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 org.apache.log4j.Logger; import org.w3c.dom.Element; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; import org.dive4elements.river.artifacts.D4EArtifact; public class HWSDatacageState extends DefaultState { private static final Logger logger = Logger.getLogger(HWSDatacageState.class); @Override protected String getUIProvider() { return "hws_datacage_panel"; } @Override protected Element createStaticData( D4EArtifact flys, ElementCreator creator, CallContext cc, String name, String value, String type ) { Element dataElement = creator.create("data"); creator.addAttr(dataElement, "name", name, true); creator.addAttr(dataElement, "type", type, true); Element itemElement = creator.create("item"); creator.addAttr(itemElement, "value", value, true); creator.addAttr(itemElement, "label", getLabel(cc, value), true); dataElement.appendChild(itemElement); return dataElement; } public static String getLabel(CallContext cc, String value) { logger.debug("Create label for value: " + value); return value; } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { D4EArtifact flys = (D4EArtifact) artifact; String hws = flys.getDataAsString("uesk.hws"); logger.debug("hws: " + hws); return true; } /** * Returns the DGM specified in the parameters of <i>flys</i>. * * @param flys The D4EArtifact that knows the ID of a DGM. * * @throws IllegalArgumentException If the D4EArtifact doesn't know the ID * of a DGM. * * @return the DGM specified by D4EArtifact's parameters. */ public static String getHWS(D4EArtifact flys) throws IllegalArgumentException { String hws= flys.getDataAsString("uesk.hws"); if (hws == null) { return null; } logger.debug("Found selected hws: '" + hws + "'"); return hws; } }