--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/StaticWQKmsArtifact.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,209 @@
+package org.dive4elements.river.artifacts;
+
+import java.awt.geom.Point2D;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Document;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.FacetActivity;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.ArtifactFactory;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.artifacts.CallMeta;
+
+import org.dive4elements.artifacts.common.utils.XMLUtils;
+
+import org.dive4elements.river.artifacts.geom.Lines;
+
+import org.dive4elements.river.artifacts.model.FacetTypes;
+import org.dive4elements.river.model.FastCrossSectionLine;
+import org.dive4elements.river.artifacts.model.WKms;
+import org.dive4elements.river.artifacts.model.WQKms;
+import org.dive4elements.river.artifacts.model.WKmsFactory;
+import org.dive4elements.river.artifacts.model.WQKmsFacet;
+import org.dive4elements.river.artifacts.model.WQKmsFactory;
+
+import org.dive4elements.river.artifacts.states.DefaultState;
+
+
+/**
+ * Artifact to access additional "waterlevel/discharge"-type of data, like
+ * fixation measurements.
+ *
+ * This artifact neglects (Static)FLYSArtifacts capabilities of interaction
+ * with the StateEngine by overriding the getState*-methods.
+ */
+public class StaticWQKmsArtifact
+extends      StaticFLYSArtifact
+implements   FacetTypes, WaterLineArtifact
+{
+    /** The logger for this class. */
+    private static Logger logger =
+        Logger.getLogger(StaticWQKmsArtifact.class);
+
+    public static final String STATIC_STATE_NAME =
+        "state.additional_wqkms.static";
+
+    private static final String NAME = "staticwqkms";
+
+    static {
+        // TODO: Move to configuration.
+        FacetActivity.Registry.getInstance()
+            .register(NAME, FacetActivity.INACTIVE);
+    }
+
+    /**
+     * Trivial Constructor.
+     */
+    public StaticWQKmsArtifact() {
+        logger.debug("StaticWQKmsArtifact.StaticWQKmsArtifact");
+    }
+
+
+    /**
+     * Gets called from factory, to set things up.
+     */
+    @Override
+    public void setup(
+        String          identifier,
+        ArtifactFactory factory,
+        Object          context,
+        CallMeta        callMeta,
+        Document        data)
+    {
+        logger.debug("StaticWQKmsArtifact.setup");
+
+        // Store the 'ids' (from datacage).
+        if (logger.isDebugEnabled()) {
+            logger.debug("StaticWQKmsArtiact.setup" + XMLUtils.toString(data));
+        }
+
+        String code = getDatacageIDValue(data);
+        addStringData("ids", code);
+        if (code != null) {
+            String [] parts = code.split("-");
+
+            if (parts.length >= 4) {
+                int col = Integer.parseInt(parts[2]);
+                int wst = Integer.parseInt(parts[3]);
+
+                addStringData("col_pos", parts[2]);
+                addStringData("wst_id",  parts[3]);
+            }
+        }
+
+        // Do this AFTER we have set the col_pos etc.
+        super.setup(identifier, factory, context, callMeta, data);
+    }
+
+
+    /**
+     * Called via setup.
+     *
+     * @param artifact The master-artifact.
+     */
+    @Override
+    protected void initialize(
+        Artifact artifact,
+        Object context,
+        CallMeta meta)
+    {
+        logger.debug("StaticWQKmsArtifact.initialize");
+        FLYSArtifact flys = (FLYSArtifact) artifact;
+        // TODO: The river is of no interest, so far., also use importData
+        importData(flys, "river");
+
+        List<Facet> fs = new ArrayList<Facet>();
+
+        DefaultState state = (DefaultState) getCurrentState(context);
+        state.computeInit(this, hash(), context, meta, fs);
+        if (!fs.isEmpty()) {
+            logger.debug("Facets to add in StaticWQKmsArtifact.initialize .");
+            addFacets(getCurrentStateId(), fs);
+        }
+        else {
+            logger.debug("No facets to add in StaticWQKmsArtifact.initialize ("
+                + state.getID() + ").");
+        }
+    }
+
+
+    /**
+     * Get WQKms from factory.
+     * @return WQKms according to parameterization (can be null);
+     */
+    public WQKms getWQKms() {
+        logger.debug("StaticWQKmsArtifact.getWQKms");
+
+        int col = Integer.parseInt(getDataAsString("col_pos"));
+        int wst = Integer.parseInt(getDataAsString("wst_id"));
+
+        /** TODO do not run twice against db to do this. */
+        String wkmsName = WKmsFactory.getWKmsName(col, wst);
+
+        WQKms res = WQKmsFactory.getWQKms(col, wst);
+        res.setName(wkmsName);
+        return res;
+    }
+
+    /** Return specific name. */
+    @Override
+    public String getName() {
+        return NAME;
+    }
+
+
+    /**
+     * Get points of line describing the surface of water at cross section.
+     *
+     * @param idx Index of facet and in wkms array.
+     * @param csl FastCrossSectionLine to compute water surface agains.
+     * @param next The km of the next crosssectionline.
+     * @param prev The km of the previous crosssectionline.
+     * @param context Ignored in this implementation.
+     *
+     * @return an array holding coordinates of points of surface of water (
+     *         in the form {{x1, x2}, {y1, y2}} ).
+     */
+    @Override
+    public Lines.LineData getWaterLines(int idx, FastCrossSectionLine csl,
+        double next, double prev, CallContext context
+    ) {
+        logger.debug("getWaterLines(" + idx + ")/" + identifier());
+
+        List<Point2D> points = csl.getPoints();
+
+        WKms wkms = getWQKms();
+
+        double km = csl.getKm();
+
+        // Find W at km.
+        double wAtKm;
+
+        // If heightmarks, only deliver if data snaps.
+        /*
+        if (getDataAsString(DATA_HEIGHT_TYPE) != null &&
+            getDataAsString(DATA_HEIGHT_TYPE).equals("true")) {
+            wAtKm = getWAtCloseKm(wkms, km, next, prev);
+        }
+        else {
+        */
+            wAtKm = StaticWKmsArtifact.getWAtKm(wkms, km);
+        //}
+
+        if (wAtKm == -1 || Double.isNaN(wAtKm)) {
+            logger.warn("Waterlevel at km " + km + " unknown.");
+            return new Lines.LineData(new double[][] {{}}, 0d, 0d);
+        }
+
+        return Lines.createWaterLines(points, wAtKm);
+    }
+    // TODO implement deepCopy.
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :