bug5918: including cache

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

@@ -343,10 +343,15 @@ public interface TrackedLegOfCompetitor extends Serializable {
     TimePoint getTimePointNotAfterFinishingOfLeg(TimePoint timePoint);
     
     /**
-     * If the bearing between the cog and the next waypoint is smaller then the one between cog and wind direction 
+     * If the bearing between cog and the next waypoint is smaller then the one between cog and wind direction 
      * {@link TackType#LONGTACK longtack} is returned, if it is bigger {@link TackType#SHORTTACK shorttack}. For other cases <code>null</code> is returned. 
      */
     TackType getTackType(TimePoint timePoint) throws NoWindException;
+    
+    /**
+     * Same as {@link #getTackType(TimePoint timePoint)}, only that a cache for leg type calculation is passed.
+     */
+    TackType getTackType(TimePoint timePoint, WindLegTypeAndLegBearingAndORCPerformanceCurveCache cache) throws NoWindException;
 
     Double getExpeditionAWA(TimePoint at);
     Double getExpeditionAWS(TimePoint at);

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

@@ -1246,6 +1246,11 @@ public class TrackedLegOfCompetitorImpl implements TrackedLegOfCompetitor {
     
     @Override
     public TackType getTackType(TimePoint timePoint) throws NoWindException {
+        return getTackType(timePoint, new LeaderboardDTOCalculationReuseCache(timePoint));
+    }
+    
+    @Override
+    public TackType getTackType(TimePoint timePoint, WindLegTypeAndLegBearingAndORCPerformanceCurveCache cache) throws NoWindException {
         final TackType result;
         final Position competitorPosition = getTrackedRace().getTrack(competitor).getEstimatedPosition(timePoint,
                 /* extrapolate */ true);
@@ -1254,11 +1259,10 @@ public class TrackedLegOfCompetitorImpl implements TrackedLegOfCompetitor {
             if (start != null && timePoint.after(start.getTimePoint())) {
                 final MarkPassing end = getMarkPassingForLegEnd();
                 if (end != null && timePoint.before(end.getTimePoint())) {
-                    final Position waypointPosition = getTrackedRace().getApproximatePosition(getLeg().getTo(),
+                    final Position waypointPosition = cache.getApproximatePosition(getTrackedRace(), getLeg().getTo(), timePoint);
-                            timePoint);
                     final Bearing cog = getSpeedOverGround(timePoint).getBearing();
                     final Bearing bearingToWaypoint = competitorPosition.getBearingGreatCircle(waypointPosition);
-                    final Bearing bearingWind = getTrackedRace().getWind(competitorPosition, timePoint).getFrom();
+                    final Bearing bearingWind = cache.getWind(getTrackedRace(), competitor, timePoint).getFrom();
                     final Bearing diffWindToBoat = bearingWind.getDifferenceTo(cog).abs();
                     final Bearing diffMarkToBoat = bearingToWaypoint.getDifferenceTo(cog).abs();
                     if (diffMarkToBoat.compareTo(diffWindToBoat) < 0) {