Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/MultiStringArrayState.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.w3c.dom.Element; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; import org.dive4elements.artifacts.common.model.KVP; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.resources.Resources; /** * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public abstract class MultiStringArrayState extends DefaultState { private static final Logger logger = Logger.getLogger(MultiStringArrayState.class); @Override protected void appendItems( Artifact artifact, ElementCreator creator, String name, CallContext context, Element select ) { try { creator.addAttr(select, "type", "options", true); for (KVP kvp: getOptions(artifact, name, context)) { Element item = creator.create("item"); creator.addAttr(item, "label", kvp.getValue().toString(), true); creator.addAttr(item, "value", kvp.getKey().toString(), true); select.appendChild(item); } } catch (IllegalArgumentException iae) { logger.warn("Illegal argument", iae); } } @Override protected Element createStaticData( D4EArtifact flys, ElementCreator creator, CallContext cc, String name, String value, String type ) { Element data = creator.create("data"); creator.addAttr(data, "name", name, true); creator.addAttr(data, "type", type, true); creator.addAttr(data, "label", Resources.getMsg(cc.getMeta(), name, name), true); String[] values = value.split(";"); for (String val: values) { Element item = creator.create("item"); creator.addAttr(item, "value", val, true); creator.addAttr(item, "label", getLabelFor(cc, name, val), true); data.appendChild(item); } return data; } protected abstract KVP<String, String>[] getOptions( Artifact artifact, String parameterName, CallContext context ) throws IllegalArgumentException; protected abstract String getLabelFor( CallContext cc, String parameterName, String value ) throws IllegalArgumentException; } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :