Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 2089:0da8874bd378
Added initial state to map artifact to be able to advance and step back.
The map artifact overrides describe() to have the complete UI information in the
describe response document.
flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Fri, 06 Jan 2012 12:02:10 +0000 |
parents | 3b08b8aacfb0 |
children | 024d986b4f5b |
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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"), false); Facet qfacet2 = new MainValuesQFacet( MAINVALUES_Q, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.q", "facet.discharge_curves.mainvalues.q"), true); Facet wfacet1 = new MainValuesWFacet( COMPUTED_DISCHARGE_MAINVALUES_W, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.w", "facet.discharge_curves.mainvalues.w"), false); Facet wfacet2 = new MainValuesWFacet( MAINVALUES_W, Resources.getMsg( callMeta, "facet.discharge_curves.mainvalues.w", "facet.discharge_curves.mainvalues.w"), true); 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(boolean atGauge) { 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")) { if (atGauge) { q_out[0] = mv.getValue().doubleValue(); } else { 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. * @param atGauge if true, do not interpolate * @return list of W main values. */ public List<NamedDouble> getMainValuesW(boolean atGauge) { 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) { if (atGauge) { if (mv.getMainValue().getType().getName().equals("W")) { filteredList.add(new NamedDouble(mv.getMainValue().getName(), mv.getValue().doubleValue())); } } else // 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 :