support leaderboard creation / retrieval on RacingEventService

java/com.sap.sailing.server/src/com/sap/sailing/server/RacingEventService.java

@@ -129,8 +129,20 @@ public interface RacingEventService {
 
     TrackedRace getTrackedRace(Event event, RaceDefinition r);
 
-    void removeLeaderboard(Leaderboard leaderboard);
+    /**
+     * Creates a new leaderboard with the <code>name</code> specified.
+     * 
+     * @param discardThresholds
+     *            Tells the thresholds from which on a next higher number of worst races will be discarded per
+     *            competitor. Example: <code>[3, 6]</code> means that starting from three races the single worst race
+     *            will be discarded; starting from six races, the two worst races per competitor are discarded.
+     * 
+     * @return the leaderboard created
+     */
+    Leaderboard addLeaderboard(String name, int[] discardThresholds);
 
-    void addLeaderboard(Leaderboard leaderboard);
+    void removeLeaderboard(String leaderboardName);
+    
+    Leaderboard getLeaderboardByName(String name);
 
 }

java/com.sap.sailing.server/src/com/sap/sailing/server/RacingEventServiceImpl.java

@@ -21,6 +21,9 @@ import java.util.logging.Logger;
 import com.sap.sailing.domain.base.Event;
 import com.sap.sailing.domain.base.RaceDefinition;
 import com.sap.sailing.domain.leaderboard.Leaderboard;
+import com.sap.sailing.domain.leaderboard.impl.LeaderboardImpl;
+import com.sap.sailing.domain.leaderboard.impl.ResultDiscardingRuleImpl;
+import com.sap.sailing.domain.leaderboard.impl.ScoreCorrectionImpl;
 import com.sap.sailing.domain.tracking.TrackedRace;
 import com.sap.sailing.domain.tracking.WindStore;
 import com.sap.sailing.domain.tracking.WindTracker;
@@ -71,20 +74,27 @@ public class RacingEventServiceImpl implements RacingEventService {
     }
     
     @Override
-    public void addLeaderboard(Leaderboard leaderboard) {
-        leaderboards.add(leaderboard);
+    public Leaderboard addLeaderboard(String name, int[] discardThresholds) {
+        Leaderboard result = new LeaderboardImpl(name, new ScoreCorrectionImpl(), new ResultDiscardingRuleImpl(discardThresholds));
+        leaderboardsByName.put(name, result);
+        return result;
     }
     
     @Override
-    public void removeLeaderboard(Leaderboard leaderboard) {
-        leaderboards.remove(leaderboard);
+    public void removeLeaderboard(String leaderboardName) {
+        leaderboardsByName.remove(leaderboardName);
     }
     
+    @Override
+    public Leaderboard getLeaderboardByName(String name) {
+        return leaderboardsByName.get(name);
+    }
+
     @Override
     public DomainFactory getDomainFactory() {
         return domainFactory;
     }
-
+    
     @Override
     public Iterable<Event> getAllEvents() {
         return Collections.unmodifiableCollection(eventsByName.values());