--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/StaticSQRelationFacet.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,49 @@
+package org.dive4elements.river.artifacts.states.sq;
+
+import org.dive4elements.artifactdatabase.state.DefaultFacet;
+import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.math.fitting.Function;
+import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
+import org.dive4elements.river.artifacts.model.sq.SQFunction;
+import org.dive4elements.river.artifacts.model.sq.StaticSQRelation;
+
+
+public class StaticSQRelationFacet
+extends DefaultFacet
+implements Facet
+{
+    public static final String FUNCTION = "sq-pow";
+
+    private StaticSQRelation relation;
+
+
+    public StaticSQRelationFacet(
+        int ndx,
+        String name,
+        String description,
+        StaticSQRelation relation) {
+        super(ndx, name, description);
+        this.relation = relation;
+    }
+
+    @Override
+    public Object getData(Artifact artifact, CallContext context) {
+        double qmax = relation.getQmax();
+        double[] coeffs = new double[] {relation.getA(), relation.getB()};
+        Function func = FunctionFactory.getInstance().getFunction(FUNCTION);
+        org.dive4elements.river.artifacts.math.Function function =
+            func.instantiate(coeffs);
+        SQFunction sqf = new SQFunction(function, 0, qmax);
+        return sqf;
+    }
+
+    @Override
+    public Facet deepCopy() {
+        StaticSQRelationFacet copy =
+            new StaticSQRelationFacet(index, name, description, relation);
+        copy.set(this);
+        return copy;
+    }
+}