--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/states/AreaCreationState.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,86 @@
+package org.dive4elements.river.artifacts.states;
+
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.river.artifacts.model.AreaFacet;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+
+import org.dive4elements.river.artifacts.FLYSArtifact;
+import org.dive4elements.river.artifacts.AreaArtifact;
+import org.dive4elements.river.artifacts.model.FacetTypes;
+
+
+/** Trivial state to create areafacets, no caching. */
+public class AreaCreationState
+extends      DefaultState
+implements   FacetTypes
+{
+    /** The logger that is used in this state. */
+    private static Logger logger = Logger.getLogger(AreaCreationState.class);
+
+
+    /**
+     * From this state can only be continued trivially.
+     */
+    @Override
+    protected String getUIProvider() {
+        return "continue";
+    }
+
+
+    /** Just reproduce the Facet. */
+    protected Object compute(
+        FLYSArtifact  areaArtifact,
+        CallContext   cc,
+        String        hash,
+        List<Facet>   facets,
+        Object        old
+    ) {
+        logger.debug("AreaCreationState.compute");
+
+        if (facets != null) {
+            AreaArtifact aArt = (AreaArtifact) areaArtifact;
+
+            facets.add(new AreaFacet(0, aArt.getFacetName(), aArt.getAreaName()));
+        }
+
+        // TODO use compute to exploit caching strategies.
+
+        return null;
+    }
+
+
+    /**
+     */
+    @Override
+    public Object computeFeed(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        return compute((FLYSArtifact) artifact, context, hash, facets, old);
+    }
+
+
+    /**
+     *
+     */
+    @Override
+    public Object computeAdvance(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        return compute((FLYSArtifact) artifact, context, hash, facets, old);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :