--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/extreme/ExtremeCompute.java	Sun Sep 16 11:40:38 2012 +0000
@@ -0,0 +1,65 @@
+package de.intevation.flys.artifacts.states.extreme;
+
+import de.intevation.artifactdatabase.state.Facet;
+
+import de.intevation.artifacts.CallContext;
+
+import de.intevation.flys.artifacts.FLYSArtifact;
+
+import de.intevation.flys.artifacts.access.ExtremeAccess;
+
+import de.intevation.flys.artifacts.model.CalculationResult;
+import de.intevation.flys.artifacts.model.ReportFacet;
+
+import de.intevation.flys.artifacts.model.extreme.ExtremeCalculation;
+
+import de.intevation.flys.artifacts.states.DefaultState;
+
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+public class ExtremeCompute
+extends      DefaultState
+{
+    private static Logger log = Logger.getLogger(ExtremeCompute.class);
+
+    public ExtremeCompute() {
+    }
+
+    @Override
+    public Object computeAdvance(
+        FLYSArtifact artifact,
+        String       hash,
+        CallContext  context,
+        List<Facet>  facets,
+        Object       old
+    ) {
+        log.debug("ExtremeCompute.computeAdvance");
+
+        CalculationResult res;
+
+        ExtremeAccess access = new ExtremeAccess(artifact);
+
+        if (old instanceof CalculationResult) {
+            res = (CalculationResult)old;
+        }
+        else {
+            ExtremeCalculation calc = new ExtremeCalculation(access);
+            res = calc.calculate();
+        }
+
+        if (facets == null) {
+            return res;
+        }
+
+        if (res.getReport().hasProblems()) {
+            facets.add(new ReportFacet());
+        }
+
+        // TODO: Add more facets.
+
+        return res;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :