--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/GaugeDischargeArtifact.java	Mon Jul 29 12:17:11 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/GaugeDischargeArtifact.java	Mon Jul 29 12:19:57 2013 +0200
@@ -12,6 +12,7 @@
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.HashMap;
 
 import org.apache.log4j.Logger;
 
@@ -35,6 +36,7 @@
 
 import org.dive4elements.river.model.Gauge;
 import org.dive4elements.river.model.River;
+import org.dive4elements.river.model.DischargeTable;
 
 import org.dive4elements.river.utils.RiverUtils;
 
@@ -52,6 +54,8 @@
     /** The name of the artifact. */
     public static final String ARTIFACT_NAME = "gaugedischarge";
 
+    /** The name a facet should have */
+    protected String facetWishName;
 
     /**
      * Trivial Constructor.
@@ -79,6 +83,13 @@
         String ids = StaticD4EArtifact.getDatacageIDValue(data);
         addStringData("ids", ids);
         logger.debug("id for gaugedischarge: " + ids);
+        String[] splitIds = ids.split(";");
+       /* We assume that if an id's string with a ; is given that the
+        * format is <gauge_name>;<discharge_table_id>;<facet_desc>
+        * so that a specific discharge table can be selected */
+        if (splitIds.length > 2) {
+            facetWishName = splitIds[2];
+        }
         super.setup(identifier, factory, context, callMeta, data);
     }
 
@@ -121,7 +132,10 @@
 
     /** Get the Gauges name which came with datacage data-document. */
     public String getGaugeName() {
-        return this.getDataAsString("ids");
+        if (getDataAsString("ids") == null) {
+            return null;
+        }
+        return getDataAsString("ids").split(";")[0];
     }
 
 
@@ -166,13 +180,34 @@
         }
         */
 
-        DischargeTables dt = new DischargeTables(river.getName(), getDataAsString("ids"));
+        Map<String, double [][]> map;
 
-        Map<String, double [][]> map = dt.getValues();
+        String[] ids = getDataAsString("ids").split(";");
+        if (ids.length > 1) {
+           /* We assume that if an id's string with a ; is given that the
+            * format is <gauge_name>;<discharge_table_id>;<facet_desc>
+            * so that a specific discharge table can be selected */
+            int tableId = 0;
+            try {
+                tableId = Integer.parseInt(ids[1]);
+            } catch (NumberFormatException e) {
+                logger.error("Discharge tables ids string is wrong." +
+                        " Fromat is <gauge_name>;<discharge_table_id>;<facet_desc>" +
+                        " Fix your Datacage!");
+                // Let's rather break down completly then show the wrong data.
+                return null;
+            }
+            DischargeTable table = DischargeTable.getDischargeTableById(tableId);
+            map = new HashMap<String, double [][]>();
+            map.put(getGaugeName(), DischargeTables.loadDischargeTableValues(table));
+        } else {
+            DischargeTables dt = new DischargeTables(river.getName(), getGaugeName());
+            map = dt.getValues();
+        }
 
         ArrayList<WQKms> res = new ArrayList<WQKms>();
 
-        Gauge gauge = river.determineGaugeByName(this.getDataAsString("ids"));
+        Gauge gauge = river.determineGaugeByName(getGaugeName());
 
         String name = getGaugeName();
         double [][] values = map.get(name);
@@ -191,5 +226,13 @@
             res.toArray(new WQKms[res.size()]),
             new Calculation());
     }
+
+    /** Gets the facet wish name.
+     *
+     * This is a hack to enable setting the name of the facet / theme in the
+     * UI from the datacage setting. */
+    public String getFacetWishName() {
+        return facetWishName;
+    }
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/GaugeDischargeState.java	Mon Jul 29 12:17:11 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/GaugeDischargeState.java	Mon Jul 29 12:19:57 2013 +0200
@@ -57,6 +57,12 @@
     protected String createFacetName(GaugeDischargeArtifact artifact,
         CallMeta meta) {
 
+        if (artifact.getFacetWishName() != null) {
+            /* We let the Artifact overwrite our name as this allows
+             * injecting the facet name from the Datacage */
+            return artifact.getFacetWishName();
+        }
+
         Gauge gauge = artifact.getGauge();
         Object[] args = new Object[] {
             gauge.getName(),