Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 3809:cc83b8e42dbe
Picked rev3347-rev3351 from trunk.
flys-artifacts/tags/pre2.6-2011-12-05@3352 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 05 Dec 2011 09:48:44 +0000 |
parents | 7e7522c9e663 |
children | 3b08b8aacfb0 |
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package de.intevation.flys.artifacts; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import de.intevation.artifactdatabase.data.DefaultStateData; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.DefaultOutput; import de.intevation.artifactdatabase.state.State; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.CallMeta; import de.intevation.flys.model.Gauge; import de.intevation.flys.model.MainValue; import de.intevation.flys.model.River; import de.intevation.flys.artifacts.model.Calculation; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.MainValuesQFacet; import de.intevation.flys.artifacts.model.MainValuesWFacet; import de.intevation.flys.artifacts.model.NamedDouble; import de.intevation.flys.artifacts.model.WstValueTable; import de.intevation.flys.artifacts.model.WstValueTableFactory; import de.intevation.flys.artifacts.states.StaticState; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.flys.utils.FLYSUtils; /** * Artifact to access names of Points Of Interest along a segment of a river. * This artifact neglects (Static)FLYSArtifacts capabilities of interaction * with the StateEngine by overriding the getState*-methods. */ public class MainValuesArtifact extends StaticFLYSArtifact implements FacetTypes { /** The logger for this class. */ private static Logger logger = Logger.getLogger(MainValuesArtifact.class); /** The name of the artifact. */ public static final String ARTIFACT_NAME = "mainvalue"; /** The name of the static state for this artifact. */ public static final String STATIC_STATE_NAME = "state.mainvalue.static"; /** One and only state to be in. */ protected transient State state = null; /** * Trivial Constructor. */ public MainValuesArtifact() { logger.debug("MainValuesArtifact.MainValuesartifact()"); } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("MainValuesArtifact.setup"); state = new StaticState(STATIC_STATE_NAME); Facet qfacet1 = new MainValuesQFacet( COMPUTED_DISCHARGE_MAINVALUES_Q, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.q", "facet.discharge_curves.mainvalues.q")); Facet qfacet2 = new MainValuesQFacet( MAINVALUES_Q, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.q", "facet.discharge_curves.mainvalues.q")); Facet wfacet1 = new MainValuesWFacet( COMPUTED_DISCHARGE_MAINVALUES_W, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.w", "facet.discharge_curves.mainvalues.w")); Facet wfacet2 = new MainValuesWFacet( MAINVALUES_W, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.w", "facet.discharge_curves.mainvalues.w")); List<Facet> fs = new ArrayList<Facet>(); fs.add(qfacet1); fs.add(qfacet2); fs.add(wfacet1); fs.add(wfacet2); facets.put(state.getID(), fs); spawnState(); super.setup(identifier, factory, context, callMeta, data); } /** * Create "the" state. */ protected State spawnState() { state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = (List<Facet>) facets.get(STATIC_STATE_NAME); DefaultOutput mainValuesOutput = new DefaultOutput( "computed_discharge_curve", "output.computed_discharge_curve", "image/png", fs, "chart"); state.getOutputs().add(mainValuesOutput); return state; } @Override protected void initialize(Artifact artifact, Object context, CallMeta meta) { logger.debug("MainValuesArtifact.initialize"); WINFOArtifact winfo = (WINFOArtifact) artifact; double [] locations = FLYSUtils.getLocations(winfo); if (locations != null) { double location = locations[0]; addData("location", new DefaultStateData("location", null, null, String.valueOf(location))); } else { logger.warn("No location for mainvalues given."); } importData(winfo, "river"); } /** * 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. * @param cc ignored. * @return the "current" 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) { if (state != null) return state; else return spawnState(); } /** * Access the Gauge that the mainvalues are taken from. * @return Gauge that main values are taken from or null in case of * invalid parameterization. */ protected Gauge getGauge() { River river = FLYSUtils.getRiver(this); // TODO use helper to get location as double String locationStr = getDataAsString("location"); if (river == null || locationStr == null) { return null; } double location = Double.parseDouble(locationStr); return river.determineGaugeByPosition(location); } /** * Get current location. * @return the location. */ public double getLocation() { double location = Double.parseDouble(getDataAsString("location")); return location; } /** * Get a list of "Q" main values. * @return list of Q main values. */ public List<NamedDouble> getMainValuesQ() { List<NamedDouble> filteredList = new ArrayList<NamedDouble>(); Gauge gauge = getGauge(); WstValueTable interpolator = WstValueTableFactory.getTable(FLYSUtils.getRiver(this)); Calculation c = new Calculation(); double w_out[] = {0.0f}; double q_out[] = {0.0f}; double kms[] = {getLocation()}; double gaugeStation = gauge.getStation().doubleValue(); if (gauge != null) { List<MainValue> orig = gauge.getMainValues(); for (MainValue mv : orig) { if (mv.getMainValue().getType().getName().equals("Q")) { interpolator.interpolate(mv.getValue().doubleValue(), gaugeStation, kms, w_out, q_out, c); filteredList.add(new NamedDouble( mv.getMainValue().getName(), q_out[0] )); } } } return filteredList; } /** * Get a list of "W" main values. * @return list of W main values. */ public List<NamedDouble> getMainValuesW() { List<NamedDouble> filteredList = new ArrayList<NamedDouble>(); Gauge gauge = getGauge(); WstValueTable interpolator = WstValueTableFactory.getTable(FLYSUtils.getRiver(this)); Calculation c = new Calculation(); double gaugeStation = gauge.getStation().doubleValue(); double w_out[] = {0.0f}; double q_out[] = {0.0f}; double kms[] = {getLocation()}; if (gauge != null) { List<MainValue> orig = gauge.getMainValues(); for (MainValue mv : orig) { // We cannot interpolate the W values, so derive them // from given Q values. if (mv.getMainValue().getType().getName().equals("Q")) { interpolator.interpolate(mv.getValue().doubleValue(), gaugeStation, kms, w_out, q_out, c); filteredList.add(new NamedDouble( "W(" + mv.getMainValue().getName() +")", w_out[0] )); } } } return filteredList; } /** * Determines Facets initial disposition regarding activity (think of * selection in Client ThemeList GUI). This will be checked one time * when the facet enters a collections describe document. * * @param facetName name of the facet. * @param index index of the facet. * @return 0 if not active */ @Override public int getInitialFacetActivity( String outputName, String facetName, int index) { logger.debug("MainValuesArtifact.active?: " + outputName + "/" + facetName); if (outputName.equals("computed_discharge_curve") || outputName.equals("duration_curve")) { return 0; } else { return 1; } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :