Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/FlowVelocityMeasurementArtifact.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.text.DateFormat; 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.model.FlowVelocityMeasurementValue; import org.dive4elements.river.artifacts.model.minfo.FlowVelocityMeasurementFacet; import org.dive4elements.river.artifacts.model.minfo.FlowVelocityMeasurementFactory; import org.dive4elements.river.artifacts.states.StaticState; import org.dive4elements.river.artifacts.states.FlowVelocityState; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.utils.Formatter; /** Artefact to access flow velocity measurements. */ public class FlowVelocityMeasurementArtifact extends StaticD4EArtifact implements FacetTypes { /** The log for this class. */ private static Logger log = Logger.getLogger(FlowVelocityMeasurementArtifact.class); /** Artifact key name. */ private static final String NAME = "flowvelocitymeasurement"; public static final String I18N_WATERLEVEL_FACET = "facet.flow_velocity.waterlevel"; public static final String I18N_VELOCITY_FACET = "facet.flow_velocity.velocity"; /** 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.flowvelocitymeasurement.static"; /** One and only state to be in. */ protected transient State state = null; protected String DATA_NAME = "ID"; /** * Trivial Constructor. */ public FlowVelocityMeasurementArtifact() { } /** Get artifact key name. */ @Override public String getName() { return NAME; } /** Create a new state with bogus output. */ protected State spawnState() { state = new StaticState(STATIC_STATE_NAME); 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("FlowVelocityMeasurementArtifact.setup"); state = new StaticState(STATIC_STATE_NAME); if (log.isDebugEnabled()) { log.debug(XMLUtils.toString(data)); } List<Facet> fs = new ArrayList<Facet>(); String code = getDatacageIDValue(data); DateFormat dateFormatter = Formatter.getDateFormatter( callMeta, "dd.MM.yyy HH:mm"); if (code != null) { // parse code, interact with factory, add real facets. // store relevant parts of code as data. FlowVelocityMeasurementValue.FastFlowVelocityMeasurementValue flowVelocityMeasurement = FlowVelocityMeasurementFactory.getFlowVelocityMeasurement( Integer.parseInt(code)); String name = flowVelocityMeasurement.getDescription(); log.debug ("datetime " + flowVelocityMeasurement.getDatetime()); name += " - " + dateFormatter.format( flowVelocityMeasurement.getDatetime()); Facet vFacet = new FlowVelocityMeasurementFacet( FLOW_VELOCITY_MEASUREMENT, Resources.getMsg(callMeta, I18N_VELOCITY_FACET, FlowVelocityState.I18N_TAU_FACET, new Object[] { name })); fs.add(vFacet); Facet qFacet = new FlowVelocityMeasurementFacet( FLOW_VELOCITY_DISCHARGE, Resources.getMsg(callMeta, FlowVelocityState.I18N_DISCHARGE_FACET, FlowVelocityState.I18N_DISCHARGE_FACET, new Object[] { name })); fs.add(qFacet); Facet wFacet = new FlowVelocityMeasurementFacet( FLOW_VELOCITY_WATERLEVEL, Resources.getMsg(callMeta, I18N_WATERLEVEL_FACET, FlowVelocityState.I18N_TAU_FACET, new Object[] { name })); fs.add(wFacet); addFacets(state.getID(), fs); addStringData(DATA_NAME, code); } 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("initialize"); } /** * Get the db-unbound flow velocity measurement value with given * id. */ public FlowVelocityMeasurementValue.FastFlowVelocityMeasurementValue getFlowVelocityMeasurementValue() { return FlowVelocityMeasurementFactory.getFlowVelocityMeasurement( Integer.parseInt(getDataAsString(DATA_NAME))); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :