Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/FlowVelocityModelArtifact.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 |
---|---|
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; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.FacetActivity; import org.dive4elements.artifactdatabase.state.State; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.ArtifactFactory; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.Calculation; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; import org.dive4elements.river.model.FlowVelocityModel; import org.dive4elements.river.artifacts.model.FlowVelocityCalculation; import org.dive4elements.river.artifacts.model.FlowVelocityData; import org.dive4elements.river.artifacts.model.FlowVelocityFacet; import org.dive4elements.river.artifacts.states.StaticState; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.resources.Resources; /** Artifact to access flow velocity models. */ public class FlowVelocityModelArtifact extends StaticD4EArtifact implements FacetTypes { /** The log for this class. */ private static Logger log = Logger.getLogger(FlowVelocityModelArtifact.class); /** Artifact key name. */ private static final String NAME = "flowvelocitymodel"; private static final String I18N_MAINCHANNEL = "facet.flow_velocity.model.mainchannel"; private static final String I18N_TAU = "facet.flow_velocity.model.tau"; private static final String I18N_TOTALCHANNEL = "facet.flow_velocity.model.totalchannel"; private static final String I18N_Q = "facet.flow_velocity.model.q"; /** Spawn only inactive facets. */ static { // TODO: Move to configuration. FacetActivity.Registry.getInstance() .register(NAME, FacetActivity.INACTIVE); } /** Need to give the state an id. */ public static final String STATIC_STATE_NAME = "state.flowvelocitymodel.static"; /** One and only state to be in. */ protected transient State state = null; protected String DATA_ID = "ID"; /** * Trivial Constructor. */ public FlowVelocityModelArtifact() { log.debug("FlowVelocityModelArtifact.FlowVelocityModelArtifact"); } /** Get artifact key name. */ @Override public String getName() { return NAME; } private Object getFlowVelocity() { log.debug("FlowVelocityModelArtifact.getFlowVelocity"); Integer id = getDataAsInteger(DATA_ID); FlowVelocityModel model = FlowVelocityModel.getModel(id); FlowVelocityData data = new FlowVelocityData(); // TODO rangeaccess FlowVelocityCalculation.prepareData(data, model, 0d, 1000d); return new CalculationResult( new FlowVelocityData[] {data} , new Calculation()); } /** Create a static state. */ private State newState() { return new StaticState(STATIC_STATE_NAME) { public Object staticCompute(List<Facet> facets) { return getFlowVelocity(); } }; } /** Create a new state with bogus output. */ protected State spawnState() { state = newState(); List<Facet> fs = getFacets(STATIC_STATE_NAME); DefaultOutput output = new DefaultOutput( "general", "general", "image/png", fs, "chart"); state.getOutputs().add(output); return state; } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data, List<Class> loadFacets) { log.debug("FlowVelocityModelArtifact.setup"); state = newState(); if (log.isDebugEnabled()) { log.debug(XMLUtils.toString(data)); } List<Facet> fs = new ArrayList<Facet>(); String code = getDatacageIDValue(data); if (code != null) { String name = FlowVelocityModel.getModelDescription( Integer.valueOf(code)); Facet facet = new FlowVelocityFacet( 0, FLOW_VELOCITY_MAINCHANNEL, Resources.getMsg(callMeta, I18N_MAINCHANNEL, new Object[] { name } ), ComputeType.ADVANCE, state.getID(), "hash" ); fs.add(facet); Facet tauFacet = new FlowVelocityFacet( 0, FLOW_VELOCITY_TAU, Resources.getMsg(callMeta, I18N_TAU, new Object[] { name} ), ComputeType.ADVANCE, state.getID(), "hash" ); fs.add(tauFacet); Facet qFacet = new FlowVelocityFacet( 0, FLOW_VELOCITY_DISCHARGE, Resources.getMsg(callMeta, I18N_Q, new Object[] { name} ), ComputeType.ADVANCE, state.getID(), "hash" ); fs.add(qFacet); Facet tFacet = new FlowVelocityFacet( 0, FLOW_VELOCITY_TOTALCHANNEL, Resources.getMsg(callMeta, I18N_TOTALCHANNEL, new Object[] { name} ), ComputeType.ADVANCE, state.getID(), "hash" ); fs.add(tFacet); addFacets(state.getID(), fs); addStringData(DATA_ID, code); } else { log.error("No id given."); } spawnState(); super.setup(identifier, factory, context, callMeta, data, loadFacets); } /** * Get a list containing the one and only State. * @param context ignored. * @return list with one and only state. */ @Override protected List<State> getStates(Object context) { ArrayList<State> states = new ArrayList<State>(); states.add(getState()); return states; } /** * Get the "current" state (there is but one). * @param cc ignored. * @return the "current" (only possible) state. */ @Override public State getCurrentState(Object cc) { return getState(); } /** * Get the only possible state. * @return the state. */ protected State getState() { return getState(null, null); } /** * Get the state. * @param context ignored. * @param stateID ignored. * @return the state. */ @Override protected State getState(Object context, String stateID) { return (state != null) ? state : spawnState(); } /** * Called via setup. Overridden to avoid cloning all data. * * @param artifact The master-artifact. */ @Override protected void initialize( Artifact artifact, Object context, CallMeta meta) { log.debug("FlowVelocityModelArtifact.initialize"); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :