--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedDiffEpochFacet.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,52 @@
+package org.dive4elements.river.artifacts.model.minfo;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.FLYSArtifact;
+import org.dive4elements.river.artifacts.model.CalculationResult;
+import org.dive4elements.river.artifacts.model.DataFacet;
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+
+
+public class BedDiffEpochFacet
+extends DataFacet
+{
+    private static Logger logger = Logger.getLogger(BedDensityFacet.class);
+
+    public BedDiffEpochFacet() {
+    }
+
+    public BedDiffEpochFacet(int idx, String name, String description,
+        ComputeType type, String stateId, String hash) {
+        super(idx, name, description, type, hash, stateId);
+    }
+
+    public Object getData(Artifact artifact, CallContext context) {
+        logger.debug("Get data for bed density at index: " + index);
+
+        FLYSArtifact flys = (FLYSArtifact) artifact;
+
+        CalculationResult res = (CalculationResult) flys.compute(context, hash,
+            stateId, type, false);
+
+        BedDiffEpochResult[] data =
+            (BedDiffEpochResult[]) res.getData();
+
+        return data != null && data.length > index ? data[index] : null;
+    }
+
+    /** Copy deeply. */
+    @Override
+    public Facet deepCopy() {
+        BedDiffEpochFacet copy = new BedDiffEpochFacet();
+        copy.set(this);
+        copy.type = type;
+        copy.hash = hash;
+        copy.stateId = stateId;
+        return copy;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :