pass cache to more rank calculations, starting from computeDTO

java/com.sap.sailing.domain/src/com/sap/sailing/domain/leaderboard/impl/AbstractSimpleLeaderboardImpl.java

@@ -1681,7 +1681,7 @@ public abstract class AbstractSimpleLeaderboardImpl implements Leaderboard, Race
             if (legRanks != null) {
                 result.rank = legRanks.get(trackedLeg.getCompetitor());
             } else {
-                result.rank = trackedLeg.getRank(timePoint);
+                result.rank = trackedLeg.getRank(timePoint, cache);
             }
             result.started = trackedLeg.hasStartedLeg(timePoint);
             Speed velocityMadeGood;

java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/TrackedLegOfCompetitor.java

@@ -128,6 +128,12 @@ public interface TrackedLegOfCompetitor extends Serializable {
      */
     int getRank(TimePoint timePoint);
 
+    /**
+     * Same as {@link #getRank(TimePoint)} with the additional option to provide a cache
+     * that can help avoid redundant calculations of wind and leg data.
+     */
+    int getRank(TimePoint timePoint, WindLegTypeAndLegBearingCache cache);
+
     /**
      * Computes the gap in seconds to the leader / winner of this leg. Returns <code>null</code> in case this leg's
      * competitor hasn't started the leg yet.

java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedLegImpl.java

@@ -98,7 +98,7 @@ public class TrackedLegImpl implements TrackedLeg, RaceChangeListener {
         return getCompetitorTracksOrderedByRank(timePoint, new NoCachingWindLegTypeAndLegBearingCache());
     }
     
-    private List<TrackedLegOfCompetitor> getCompetitorTracksOrderedByRank(TimePoint timePoint, WindLegTypeAndLegBearingCache cache) {
+    List<TrackedLegOfCompetitor> getCompetitorTracksOrderedByRank(TimePoint timePoint, WindLegTypeAndLegBearingCache cache) {
         List<TrackedLegOfCompetitor> rankedCompetitorList;
         synchronized (competitorTracksOrderedByRank) {
             rankedCompetitorList = competitorTracksOrderedByRank.get(timePoint);

java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/TrackedLegOfCompetitorImpl.java

@@ -276,9 +276,14 @@ public class TrackedLegOfCompetitorImpl implements TrackedLegOfCompetitor {
      */
     @Override
     public int getRank(TimePoint timePoint) {
+        return getRank(timePoint, new NoCachingWindLegTypeAndLegBearingCache());
+    }
+    
+    @Override
+    public int getRank(TimePoint timePoint, WindLegTypeAndLegBearingCache cache) {
         int result = 0;
         if (hasStartedLeg(timePoint)) {
-            List<TrackedLegOfCompetitor> competitorTracksByRank = getTrackedLeg().getCompetitorTracksOrderedByRank(timePoint);
+            List<TrackedLegOfCompetitor> competitorTracksByRank = getTrackedLeg().getCompetitorTracksOrderedByRank(timePoint, cache);
             result = competitorTracksByRank.indexOf(this)+1;
         }
         return result;