Merge branch 'timerange' into gpsfixstore-independent-of-race

java/com.sap.sailing.domain.common/src/com/sap/sailing/domain/common/TimeRange.java

@@ -34,4 +34,13 @@ public interface TimeRange extends Comparable<TimeRange>, Serializable {
     boolean startsBefore(TimeRange other);
     
     boolean endsAfter(TimeRange other);
+    
+    /**
+     * Get time-difference between the timepoint and this timerange.
+     * It will be 0 if the timepoint lies within the timerange, otherwise the time-difference
+     * to either the start or end of the timerange, depending on which is closer
+     * @param timePoint
+     * @return
+     */
+    long timeDifference(TimePoint timePoint);
 }

java/com.sap.sailing.domain.common/src/com/sap/sailing/domain/common/impl/TimeRangeImpl.java

@@ -57,4 +57,11 @@ public class TimeRangeImpl extends Pair<TimePoint, TimePoint> implements TimeRan
     public boolean endsAfter(TimeRange other) {
         return to().after(other.to());
     }
+
+    @Override
+    public long timeDifference(TimePoint timePoint) {
+        if (includes(timePoint)) return 0;
+        if (timePoint.before(from())) return from().asMillis() - timePoint.asMillis();
+        return to().asMillis() - timePoint.asMillis();
+    }
 }