--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/FlowVelocityMeasurementArtifact.java	Thu Nov 08 16:50:46 2012 +0100
@@ -0,0 +1,184 @@
+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.state.DefaultOutput;
+import de.intevation.artifactdatabase.state.Facet;
+import de.intevation.artifactdatabase.state.FacetActivity;
+import de.intevation.artifactdatabase.state.State;
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.ArtifactFactory;
+import de.intevation.artifacts.CallMeta;
+import de.intevation.artifacts.common.utils.XMLUtils;
+import de.intevation.flys.model.FlowVelocityMeasurement;
+import de.intevation.flys.artifacts.model.minfo.FlowVelocityMeasurementFacet;
+import de.intevation.flys.artifacts.model.minfo.FlowVelocityMeasurementFactory;
+import de.intevation.flys.artifacts.states.StaticState;
+
+import de.intevation.flys.artifacts.model.FacetTypes;
+
+
+/** Artefact to access flow velocity measurements. */
+public class FlowVelocityMeasurementArtifact
+extends      StaticFLYSArtifact
+implements   FacetTypes
+{
+    /** The logger for this class. */
+    private static Logger logger =
+        Logger.getLogger(FlowVelocityMeasurementArtifact.class);
+
+    /** Artifact key name. */
+    private static final String NAME = "flowvelocitymeasurement";
+
+    /** 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;
+
+
+    /**
+     * Trivial Constructor.
+     */
+    public FlowVelocityMeasurementArtifact() {
+        logger.debug("FlowVelocityMeasurementArtifact.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 = facets.get(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)
+    {
+        logger.debug("FlowVelocityMeasurementArtifact.setup");
+
+        state = new StaticState(STATIC_STATE_NAME);
+
+        if (logger.isDebugEnabled()) {
+            logger.debug(XMLUtils.toString(data));
+        }
+
+        List<Facet> fs = new ArrayList<Facet>();
+        String code = getDatacageIDValue(data);
+
+        if (code != null) {
+            // parse code, interact with factory, add real facets.
+            // store relevant parts of code as data.
+        }
+
+        Facet facet = new FlowVelocityMeasurementFacet(
+            FLOW_VELOCITY_MEASUREMENT,
+            "flowvelocity-name");
+
+        fs.add(facet);
+        facets.put(state.getID(), fs);
+
+        spawnState();
+        super.setup(identifier, factory, context, callMeta, data);
+    }
+
+
+    /**
+     * 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)
+    {
+        logger.debug("initialize");
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/FlowVelocityMeasurementFacet.java	Thu Nov 08 16:50:46 2012 +0100
@@ -0,0 +1,55 @@
+package de.intevation.flys.artifacts.model.minfo;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
+import de.intevation.flys.artifacts.FlowVelocityMeasurementArtifact;
+import de.intevation.flys.artifacts.model.BlackboardDataFacet;
+import de.intevation.flys.artifacts.model.FacetTypes;
+
+
+/** Facet to show measured flow velocity. */
+public class FlowVelocityMeasurementFacet
+extends      BlackboardDataFacet
+implements   FacetTypes {
+
+    public FlowVelocityMeasurementFacet(String description) {
+        this(FLOW_VELOCITY_MEASUREMENT, description);
+    }
+
+
+    public FlowVelocityMeasurementFacet(String name, String description) {
+        this.name = name;
+        this.description = description;
+        this.index = 0;
+    }
+
+
+    /**
+     * Returns the data this facet requires.
+     *
+     * @param artifact the owner artifact.
+     * @param context  the CallContext (ignored).
+     *
+     * @return the data.
+     */
+    @Override
+    public Object getData(Artifact artifact, CallContext context) {
+        FlowVelocityMeasurementArtifact staticData =
+            (FlowVelocityMeasurementArtifact) artifact;
+        //TODO: impl like return staticData.getVelocity();
+        return null;
+    }
+
+
+    /**
+     * Create a deep copy of this Facet.
+     * @return a deep copy.
+     */
+    @Override
+    public FlowVelocityMeasurementFacet deepCopy() {
+        FlowVelocityMeasurementFacet copy = new FlowVelocityMeasurementFacet(description);
+        copy.set(this);
+        return copy;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :