--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixAnalysisPeriodsFacet.java	Thu Aug 16 15:47:10 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixAnalysisPeriodsFacet.java	Thu Aug 16 16:27:53 2018 +0200
@@ -8,29 +8,24 @@
 
 package org.dive4elements.river.artifacts.model.fixings;
 
+import org.apache.log4j.Logger;
 import org.dive4elements.artifacts.Artifact;
 import org.dive4elements.artifacts.CallContext;
-
 import org.dive4elements.river.artifacts.D4EArtifact;
-
 import org.dive4elements.river.artifacts.model.CalculationResult;
 import org.dive4elements.river.artifacts.model.DateRange;
 import org.dive4elements.river.artifacts.model.FacetTypes;
-
 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
-
 import org.dive4elements.river.utils.KMIndex;
 
-import org.apache.log4j.Logger;
-
 /**
  * Facet to show W values for Q values at km for a date.
  *
  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
  */
-public class FixAnalysisPeriodsFacet
-extends      FixingsFacet
-implements   FacetTypes {
+public class FixAnalysisPeriodsFacet extends FixingsFacet implements FacetTypes {
+
+    private static final long serialVersionUID = 1L;
 
     /** House log. */
     private static Logger log = Logger.getLogger(FixAnalysisPeriodsFacet.class);
@@ -39,78 +34,62 @@
     public FixAnalysisPeriodsFacet() {
     }
 
-
-    /**
-     * @param name
-     */
-    public FixAnalysisPeriodsFacet(int index, String name, String description) {
-        super(index,
-            name,
-            description,
-            ComputeType.ADVANCE,
-            null,
-            null);
+    public FixAnalysisPeriodsFacet(final int index, final String name, final String description) {
+        super(index, name, description, ComputeType.ADVANCE, null, null);
     }
 
-
     /**
      * Returns the data this facet requires.
      *
-     * @param artifact the owner artifact.
-     * @param context  the CallContext (ignored).
+     * @param artifact
+     *            the owner artifact.
+     * @param context
+     *            the CallContext (ignored).
      *
      * @return the data.
      */
     @Override
-    public Object getData(Artifact artifact, CallContext context) {
+    public Object getData(final Artifact artifact, final CallContext context) {
         log.debug("FixAnalysisPeriodsFacet.getData");
 
         if (artifact instanceof D4EArtifact) {
-            D4EArtifact flys = (D4EArtifact)artifact;
-
-            CalculationResult res =
-                (CalculationResult) flys.compute(context,
-                                                 ComputeType.ADVANCE,
-                                                 false);
-
-            FixAnalysisResult result = (FixAnalysisResult) res.getData();
-            double currentKm = getCurrentKm(context);
+            final D4EArtifact flys = (D4EArtifact) artifact;
 
-            KMIndex<AnalysisPeriod []> kmPeriods = result.getAnalysisPeriods();
-            KMIndex.Entry<AnalysisPeriod []> kmPeriodsEntry =
-                kmPeriods.binarySearch(currentKm);
+            final CalculationResult res = (CalculationResult) flys.compute(context, ComputeType.ADVANCE, false);
 
-            if (kmPeriodsEntry == null) {
+            final FixAnalysisResult result = (FixAnalysisResult) res.getData();
+            final double currentKm = getCurrentKm(context);
+
+            final KMIndex<AnalysisPeriod[]> kmPeriods = result.getAnalysisPeriods();
+            final KMIndex.Entry<AnalysisPeriod[]> kmPeriodsEntry = kmPeriods.binarySearch(currentKm);
+            if (kmPeriodsEntry == null)
                 return null;
-            }
-
-            AnalysisPeriod[] periods = kmPeriodsEntry.getValue();
 
-            if (periods == null) {
+            final AnalysisPeriod[] periods = kmPeriodsEntry.getValue();
+            if (periods == null)
                 return null;
-            }
-            DateRange[] dates = new DateRange[periods.length];
+
+            final DateRange[] dates = new DateRange[periods.length];
             for (int i = 0; i < periods.length; i++) {
                 dates[i] = periods[i].getDateRange();
             }
+
             return dates;
         }
-        else {
-            log.debug("Not an instance of FixationArtifact.");
-            return null;
-        }
+
+        log.debug("Not an instance of FixationArtifact.");
+        return null;
     }
 
-
     /**
      * Create a deep copy of this Facet.
+     *
      * @return a deep copy.
      */
     @Override
     public FixAnalysisPeriodsFacet deepCopy() {
-        FixAnalysisPeriodsFacet copy = new FixAnalysisPeriodsFacet();
+        final FixAnalysisPeriodsFacet copy = new FixAnalysisPeriodsFacet();
         copy.set(this);
         return copy;
     }
-}
-// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
+}
\ No newline at end of file