Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/GaugeDischargeState.java @ 9425:3f49835a00c3
Extended CrossSectionFacet so it may fetch different data from within the artifact result.
Also allows to have acces to the potentially already computed artifact result via its normal computation cache.
author | gernotbelger |
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date | Fri, 17 Aug 2018 15:31:02 +0200 |
parents | 5e38e2924c07 |
children | 0a5239a1e46e |
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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 java.util.Date; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.ChartArtifact; import org.dive4elements.river.artifacts.GaugeDischargeArtifact; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.model.GaugeDischargeFacet; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.artifacts.model.ReportFacet; import org.dive4elements.river.artifacts.model.EmptyFacet; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.model.Gauge; import org.dive4elements.river.model.TimeInterval; /** * The only state for an GaugeDischargeState (River and km known). */ public class GaugeDischargeState extends DefaultState implements FacetTypes { /** Developer-centric description of facet. */ public static final String I18N_DESCRIPTION = "facet.discharge.curve"; /** The log that is used in this state. */ private static final Logger log = Logger.getLogger(GaugeDischargeState.class); /** * Create i18ned name for gaugedischargeFacet. * @param artifact The artifact which has information about the gauge. * @param meta used for i18n. * @return localized name for gaugedischargefacet. */ protected String createFacetName(GaugeDischargeArtifact artifact, CallMeta meta) { if (artifact.getFacetWishName() != null) { /* We let the Artifact overwrite our name as this allows * injecting the facet name from the Datacage */ return artifact.getFacetWishName(); } Gauge gauge = artifact.getGauge(); TimeInterval validity = gauge.fetchMasterDischargeTable() .getTimeInterval(); Date stopTime = validity.getStopTime(); String name = Resources.getMsg( meta, "chart.discharge.curve.model" + (stopTime != null ? "" : ".nostop"), new Object[] {gauge.getName(), validity.getStartTime(), stopTime } ); return name; } /** * Add an GaugeDischargeFacet to list of Facets. * * @param artifact Ignored. * @param hash Ignored. * @param context Ignored. * @param meta CallMeta to be used for internationalization. * @param facets List to add Facet to. * * @return null. */ @Override public Object computeInit( D4EArtifact artifact, String hash, Object context, CallMeta meta, List<Facet> facets ) { log.debug("GaugeDischargeState.computeInit()"); GaugeDischargeFacet facet = new GaugeDischargeFacet( 0, DISCHARGE_CURVE, createFacetName((GaugeDischargeArtifact) artifact, meta)); facets.add(facet); return null; } /** * 'Calculate' Discharge at Gauge. */ @Override public Object computeAdvance( D4EArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { if (artifact instanceof GaugeDischargeArtifact) { log.debug("GaugeDischargeState.computeAdvance()"); GaugeDischargeArtifact dischargeArtifact = (GaugeDischargeArtifact)artifact; CalculationResult res; if (old instanceof CalculationResult) { res = (CalculationResult) old; } else { res = dischargeArtifact.getDischargeCurveData(); } WQKms[] wqkms = (WQKms[]) res.getData(); if (wqkms != null && facets != null) { log.debug( "GaugeDischargeState.computeAdvance(): create facets"); GaugeDischargeFacet facet = new GaugeDischargeFacet( 0, DISCHARGE_CURVE, createFacetName(dischargeArtifact, context.getMeta())); facets.add(facet); if (res.getReport().hasProblems()) { facets.add(new ReportFacet()); } } else { if (wqkms == null) log.debug( "GaugeDischargeState.computeAdvance(): wqkms 0"); else log.debug( "GaugeDischargeState.computeAdvance(): facets 0"); } return res; } else if (artifact instanceof ChartArtifact) { ChartArtifact chart = (ChartArtifact)artifact; facets.add(new EmptyFacet()); return null; } return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :