--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/SQStaticState.java	Wed Sep 24 11:56:03 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/SQStaticState.java	Wed Sep 24 11:59:49 2014 +0200
@@ -15,9 +15,12 @@
 import org.apache.log4j.Logger;
 
 import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.artifacts.CallMeta;
 import org.dive4elements.river.artifacts.D4EArtifact;
 import org.dive4elements.river.artifacts.access.StaticSQRelationAccess;
+import org.dive4elements.river.artifacts.model.DataFacet;
+import org.dive4elements.river.artifacts.model.FacetTypes;
 import org.dive4elements.river.artifacts.model.sq.StaticSQContainer;
 import org.dive4elements.river.artifacts.model.sq.StaticSQFactory;
 import org.dive4elements.river.artifacts.model.sq.StaticSQRelation;
@@ -27,6 +30,7 @@
 
 public class SQStaticState
 extends StaticState
+implements FacetTypes
 {
 
     private static final Logger log =
@@ -44,6 +48,61 @@
     }
 
     @Override
+    public Object computeAdvance(
+        D4EArtifact artifact,
+        String hash,
+        CallContext context,
+        List<Facet> facets,
+        Object old) {
+        StaticSQContainer sqRelations;
+        StaticSQRelationAccess access = new StaticSQRelationAccess(artifact);
+        String river = access.getRiverName();
+        String measurementStation = access.getMeasurementStation();
+
+        int ms = -1;
+        try {
+            ms = Integer.parseInt(measurementStation);
+        }
+        catch (NumberFormatException nfe) {
+            log.error("Unparseable measurement station: " + measurementStation);
+            return null;
+        }
+        log.debug("Parsed measurement station: " + ms);
+
+        sqRelations = StaticSQFactory.getSQRelations(river, ms);
+        DateFormat df = new SimpleDateFormat("yyyy");
+
+        for (StaticSQRelation.Parameter p: StaticSQRelation.Parameter.values()) {
+            log.debug("parameter: " + p.toString());
+            List<StaticSQRelation> relations =
+                sqRelations.getRelationsByParameter(p);
+
+            if (!relations.isEmpty()) {
+                int count = 0;
+
+                for (StaticSQRelation relation : relations) {
+                    log.debug("add facet for " + p.toString().toLowerCase());
+                    String name = "sq_" + p.toString().toLowerCase() + "_curve";
+                    String desc =
+                        Resources.getMsg(context.getMeta(),
+                            FACET_DESCRIPTION,
+                            FACET_DESCRIPTION,
+                            new Object[] {
+                                df.format(relation.getStartTime()),
+                                df.format(relation.getStopTime())});
+                    facets.add(new StaticSQRelationFacet(
+                        count,
+                        name,
+                        desc,
+                        relation));
+                    count++;
+                }
+            }
+        }
+        return null;
+    }
+
+    @Override
     public Object computeInit(
         D4EArtifact artifact,
         String       hash,