--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugeDischargeFacet.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,86 @@
+package org.dive4elements.river.artifacts.model;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.artifacts.Artifact;
+import org.dive4elements.artifacts.CallContext;
+
+import org.dive4elements.artifactdatabase.state.Facet;
+
+import org.dive4elements.river.artifacts.FLYSArtifact;
+import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
+
+
+/**
+ * Access Discharge Curve of a gauge.
+ */
+public class GaugeDischargeFacet extends DataFacet {
+
+    /** Private logger. */
+    private static final Logger logger =
+        Logger.getLogger(GaugeDischargeFacet.class);
+
+
+    public GaugeDischargeFacet() {
+    }
+
+
+    /**
+     * @param index Index translates to index of WQ-array.
+     * @param name Name of the facet.
+     * @param desc Description of the facet (visible in client).
+     */
+    public GaugeDischargeFacet(int index, String name, String desc) {
+        super(index, name, desc, ComputeType.ADVANCE, null,
+            "state.gaugedischarge.init");
+    }
+
+
+    public GaugeDischargeFacet(
+        int         index,
+        String      name,
+        String      description,
+        ComputeType type,
+        String      stateID,
+        String      hash
+
+    ) {
+        super(index, name, description, type, hash, stateID);
+    }
+
+
+    @Override
+    public Facet deepCopy() {
+        GaugeDischargeFacet copy = new GaugeDischargeFacet();
+        copy.set(this);
+        copy.type    = type;
+        copy.hash    = hash;
+        copy.stateId = stateId;
+        return copy;
+    }
+
+
+    /**
+     * @return wqkms corresponding to gauge of artifact and index of facet.
+     */
+    @Override
+    public Object getData(Artifact artifact, CallContext context) {
+        if (logger.isDebugEnabled()) {
+            logger.debug("Get data for discharge curves at index: " +
+                index + " / stateId: " + stateId);
+        }
+
+        if (stateId == null) {
+            logger.error("GaugeDischargeFacet.getData: stateId is null.");
+        }
+        FLYSArtifact flys = (FLYSArtifact) artifact;
+
+        CalculationResult res = (CalculationResult)
+            flys.compute(context, hash, stateId, type, true);
+
+        WQKms[] discharge = (WQKms[]) res.getData();
+
+        return discharge[index];
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :