Implemented methods to get the distance from the start line and the speed

of a competitor x seconds before the start of race from a TrackedRace.

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

@@ -18,6 +18,7 @@ import com.sap.sailing.domain.common.LegType;
 import com.sap.sailing.domain.common.NoWindException;
 import com.sap.sailing.domain.common.Position;
 import com.sap.sailing.domain.common.RegattaAndRaceIdentifier;
+import com.sap.sailing.domain.common.Speed;
 import com.sap.sailing.domain.common.Tack;
 import com.sap.sailing.domain.common.TimePoint;
 import com.sap.sailing.domain.common.TimingConstants;
@@ -550,6 +551,21 @@ public interface TrackedRace extends Serializable {
      */
     Distance getStartAdvantage(Competitor competitor, double secondsIntoTheRace);
 
+    /**
+     * Tells how far the given <code>competitor</code> was from the start line at the time point of the given seconds before the start.
+     * <p>
+     * 
+     * The distance to the line is calculated by projecting the competitor's position onto the line orthogonally and
+     * computing the distance of the projected position and the competitor's position.
+     * <p
+     * .
+     * 
+     * Should the course be empty, <code>null</code> is returned. If the course's first waypoint is not a line or gate,
+     * the geometric distance between the first waypoint and the competitor's position at <code>timePoint</code> is
+     * returned. If the competitor's position cannot be determined, <code>null</code> is returned.
+     */
+    Distance getDistanceToStartLine(Competitor competitor, double secondsBeforeRaceStart);
+
     /**
      * Tells how far the given <code>competitor</code> was from the start line at the given <code>timePoint</code>.
      * Using the {@link #getStartOfRace() race start time} for <code>timePoint</code>, this tells the competitor's
@@ -573,4 +589,9 @@ public interface TrackedRace extends Serializable {
      * If the competitor hasn't started yet, <code>null</code> is returned.
      */
     Distance getDistanceFromStarboardSideOfStartLineWhenPassingStart(Competitor competitor);
+    
+    /**
+     * The estimated speed of the competitor at the time point of the given seconds before the start of race. 
+     */
+    Speed getSpeed(Competitor competitor, double secondsBeforeRaceStart);
 }

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

@@ -57,6 +57,7 @@ import com.sap.sailing.domain.common.NoWindException;
 import com.sap.sailing.domain.common.Position;
 import com.sap.sailing.domain.common.RegattaAndRaceIdentifier;
 import com.sap.sailing.domain.common.RegattaNameAndRaceName;
+import com.sap.sailing.domain.common.Speed;
 import com.sap.sailing.domain.common.Tack;
 import com.sap.sailing.domain.common.TimePoint;
 import com.sap.sailing.domain.common.TimingConstants;
@@ -1038,12 +1039,6 @@ public abstract class TrackedRaceImpl implements TrackedRace, CourseListener {
         return result;
     }
 
-    @Override
-    public Distance getStartAdvantage(Competitor competitor, double secondsIntoTheRace) {
-        // TODO Auto-generated method stub
-        return null;
-    }
-
     @Override
     public MarkPassing getMarkPassing(Competitor competitor, Waypoint waypoint) {
         final NavigableSet<MarkPassing> markPassings = getMarkPassings(competitor);
@@ -2411,6 +2406,22 @@ public abstract class TrackedRaceImpl implements TrackedRace, CourseListener {
     public RaceLog getRaceLog(Serializable identifier) {
         return attachedRaceLogs.get(identifier);
     }
+    
+    @Override
+    public Distance getStartAdvantage(Competitor competitor, double secondsIntoTheRace) {
+        // TODO Auto-generated method stub
+        return null;
+    }
+    
+    @Override
+    public Distance getDistanceToStartLine(Competitor competitor, double secondsBeforeRaceStart) {
+        if (getStartOfRace() == null) {
+            return null;
+        }
+
+        TimePoint beforeStart = new MillisecondsTimePoint(getStartOfRace().asMillis() - (long) (secondsBeforeRaceStart * 1000));
+        return getDistanceToStartLine(competitor, beforeStart);
+    }
 
     @Override
     public Distance getDistanceToStartLine(Competitor competitor, TimePoint timePoint) {
@@ -2451,6 +2462,16 @@ public abstract class TrackedRaceImpl implements TrackedRace, CourseListener {
         }
         return result;
     }
+    
+    @Override
+    public Speed getSpeed(Competitor competitor, double secondsBeforeRaceStart) {
+        if (getStartOfRace() == null) {
+            return null;
+        }
+
+        TimePoint beforeStart = new MillisecondsTimePoint(getStartOfRace().asMillis() - (long) (secondsBeforeRaceStart * 1000));
+        return getTrack(competitor).getEstimatedSpeed(beforeStart);
+    }
 
     @Override
     public Distance getDistanceFromStarboardSideOfStartLineWhenPassingStart(Competitor competitor) {