Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | d65cf8e40230 |
children | 70e0732bd4dd |
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package de.intevation.flys.artifacts.model; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.math.Linear; import de.intevation.flys.artifacts.states.DefaultState.ComputeType; import de.intevation.flys.artifacts.model.extreme.ExtremeResult; import org.apache.log4j.Logger; /** * Facet of a Waterlevel (WQKms). */ public class WaterlevelFacet extends DataFacet { private static Logger logger = Logger.getLogger(WaterlevelFacet.class); public WaterlevelFacet(int index, String name, String description) { super(index, name, description, ComputeType.ADVANCE, null, null); } public WaterlevelFacet( int index, String name, String description, ComputeType type, String stateID, String hash ) { super(index, name, description, type, hash, stateID); } public WaterlevelFacet() { } protected WQKms [] getWQKms(CalculationResult res) { if (res.getData() instanceof ExtremeResult) return ((ExtremeResult) res.getData()).getWQKms(); return (WQKms []) res.getData(); } /** * Get waterlevel data. * @return a WQKms at given index. */ @Override public Object getData(Artifact artifact, CallContext context) { if (logger.isDebugEnabled()) { logger.debug("Get data for waterlevels at index: " + index + " /stateId: " + stateId); } if (artifact == null) { logger.error("WaterlevelFacet.getData: artifact is null"); return null; } FLYSArtifact winfo = (FLYSArtifact) artifact; CalculationResult res = (CalculationResult) winfo.compute(context, hash, stateId, type, false); if (res == null) { logger.error("WaterlevelFacet.getData: null result"); return null; } WQKms [] wqkms = getWQKms(res); Object KM = context.getContextValue("currentKm"); if (KM != null) { logger.debug("interpolate at given km"); // TODO handle exact match. WQKms wqkmsI = wqkms[index]; double km = (Double)KM; // TODO employ DataUtils interface to TDoubleArraList int size = wqkmsI.size(); boolean kmIncreasing = wqkmsI.getKm(0) < wqkmsI.getKm(size-1); int mod = kmIncreasing ? +1 : -1; int idx = 0; if (!kmIncreasing) { while (idx < size && wqkmsI.getKm(idx) < km) { idx++; } } else { idx = size-1; while (idx > 0 && wqkmsI.getKm(idx) > km) { idx--; } } WQKms resultWQKms = new WQKms(); if ((idx != -1) && (idx < size) && (idx - mod != -1) && (idx - mod < size)) { double inW = Linear.linear( km, wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod), wqkmsI.getW(idx), wqkmsI.getW(idx - mod)); double inQ = Linear.linear( km, wqkmsI.getKm(idx), wqkmsI.getKm(idx - mod), wqkmsI.getQ(idx), wqkmsI.getQ(idx - mod)); resultWQKms.add(inW, inQ, km); } return resultWQKms; } return wqkms != null ? wqkms[index] : null; } /** Copy deeply. */ @Override public Facet deepCopy() { WaterlevelFacet copy = new WaterlevelFacet(); 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 :