Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/FlowVelocityFacet.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> |
---|---|
date | Wed, 30 Oct 2013 15:26:21 +0100 |
parents | af13ceeba52a |
children | 42076d94977e |
line wrap: on
line source
/* 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.model; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; import org.apache.log4j.Logger; /** * Facet of a FlowVelocity curve. */ public class FlowVelocityFacet extends DataFacet { private static Logger logger = Logger.getLogger(FlowVelocityFacet.class); public FlowVelocityFacet() { // required for clone operation deepCopy() } public FlowVelocityFacet( int idx, String name, String description, ComputeType type, String stateId, String hash ) { super(idx, name, description, type, hash, stateId); } public Object getData(Artifact artifact, CallContext context) { logger.debug("Get data for flow velocity at index: " + index); D4EArtifact flys = (D4EArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute(context, hash, stateId, type, false); FlowVelocityData[] data = (FlowVelocityData[]) res.getData(); return data[index]; } /** Copy deeply. */ @Override public Facet deepCopy() { FlowVelocityFacet copy = new FlowVelocityFacet(); copy.set(this); copy.type = type; copy.hash = hash; copy.stateId = stateId; return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :