--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/HYKArtifact.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,124 @@
+package org.dive4elements.river.artifacts;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Document;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.ArtifactFactory;
+import org.dive4elements.artifacts.CallMeta;
+
+
+import org.dive4elements.river.artifacts.states.DefaultState;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.FacetActivity;
+
+
+/**
+ * Artifact to get hydr zones (HYKs).
+ */
+public class HYKArtifact extends StaticFLYSArtifact {
+
+    /** Name of Artifact. */
+    public static final String HYK_ARTIFACT_NAME = "hyk";
+
+    /** Name of data item keeping the hyk id to load formations from. */
+    public static final String HYK_ID = "hyk_artifact.data.id";
+
+    /** Name of data item keeping the km of cs master. */
+    public static final String HYK_KM = "hyk_artifact.data.km";
+
+    /** Own logger. */
+    private static final Logger logger =
+        Logger.getLogger(HYKArtifact.class);
+
+    static {
+        // TODO: Move to configuration.
+        FacetActivity.Registry.getInstance()
+            .register(HYK_ARTIFACT_NAME, FacetActivity.INACTIVE);
+    }
+
+    /** Return given name. */
+    @Override
+    public String getName() {
+        return HYK_ARTIFACT_NAME;
+    }
+
+
+    /** Store ids, do super.setup. */
+    @Override
+    public void setup(
+        String          identifier,
+        ArtifactFactory factory,
+        Object          context,
+        CallMeta        callMeta,
+        Document        data)
+    {
+        logger.info("HYKArtifact.setup");
+
+        String ids = getDatacageIDValue(data);
+
+        logger.info("HYKArtifact.setup: id is " + ids);
+
+        addStringData(HYK_ID, ids);
+
+        super.setup(identifier, factory, context, callMeta, data);
+    }
+
+
+    /** Set km as Data. */
+    public void setKm(double km) {
+        addStringData(HYK_KM, Double.toString(km));
+    }
+
+
+    /** Get km from state data. */
+    public double getKm() {
+        Double km = getDataAsDouble(HYK_KM);
+        if (km == null) {
+            // XXX returning 0 is to be compatible to older versions that had an
+            // own method getDataAsDouble that returned 0 if parsing the
+            // parameter failed.
+            return 0;
+        }
+        else {
+            return km;
+        }
+    }
+
+
+    /** Get hyk-id from state data. */
+    public int getHykId() {
+        return getDataAsInteger(HYK_ID);
+    }
+
+
+    /** Do not copy data from daddyfact. */
+    @Override
+    protected void initialize(
+        Artifact artifact,
+        Object   context,
+        CallMeta callMeta)
+    {
+        logger.debug("HYKArtifact.initialize");
+        importData((FLYSArtifact)artifact, "river");
+
+        List<Facet> fs = new ArrayList<Facet>();
+
+        DefaultState state = (DefaultState) getCurrentState(context);
+        state.computeInit(this, hash(), context, callMeta, fs);
+        if (!fs.isEmpty()) {
+            logger.debug("Facets to add in HYKArtifact.initialize .");
+            addFacets(getCurrentStateId(), fs);
+        }
+        else {
+            logger.debug("No facets to add in HYKArtifact.initialize ("
+                + state.getID() + ").");
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :