bug5867: allow for passing through tailLengthInMilliseconds setting from URL;

default to 1ms for "wind map" so that in case competitors are shown
there they will be shown without a tail

java/com.sap.sailing.domain.shared.android/src/com/sap/sailing/domain/base/CourseArea.java

@@ -2,6 +2,8 @@ package com.sap.sailing.domain.base;
 
 import java.util.UUID;
 
+import com.sap.sailing.domain.common.Position;
+import com.sap.sse.common.Distance;
 import com.sap.sse.common.IsManagedByCache;
 import com.sap.sse.common.NamedWithID;
 
@@ -14,4 +16,17 @@ import com.sap.sse.common.NamedWithID;
  */
 public interface CourseArea extends NamedWithID, IsManagedByCache<SharedDomainFactory<?>> {
     UUID getId();
+    
+    /**
+     * An optional position specifying the center of a course area assumed to be of circular shape.
+     * If {@code null}, the position is not known.
+     */
+    Position getCenterPosition();
+    
+    /**
+     * If {@link #getCenterPosition()} delivers a non-{@code null} result, asking the radius of this course area, which
+     * is assumed to be of circulare shape, can make sense. If may, however, not be defined in which case {@code null}
+     * is returned.
+     */
+    Distance getRadius();
 }

java/com.sap.sailing.domain.shared.android/src/com/sap/sailing/domain/base/impl/CourseAreaImpl.java

@@ -4,12 +4,16 @@ import java.util.UUID;
 
 import com.sap.sailing.domain.base.CourseArea;
 import com.sap.sailing.domain.base.SharedDomainFactory;
+import com.sap.sailing.domain.common.Position;
+import com.sap.sse.common.Distance;
 import com.sap.sse.common.impl.NamedImpl;
 
 public class CourseAreaImpl extends NamedImpl implements CourseArea {
     private static final long serialVersionUID = 5912385360170509150L;
 
     private final UUID id;
+    private Position centerPosition; // no setter yet; TODO bug5867; clarify replication etc.
+    private Distance radius; // no setter yet; TODO bug5867; clarify replication etc.
 
     public CourseAreaImpl(String name, UUID id) {
         super(name);
@@ -21,6 +25,16 @@ public class CourseAreaImpl extends NamedImpl implements CourseArea {
         return id;
     }
 
+    @Override
+    public Position getCenterPosition() {
+        return centerPosition;
+    }
+
+    @Override
+    public Distance getRadius() {
+        return radius;
+    }
+
     @Override
     public CourseArea resolve(SharedDomainFactory<?> domainFactory) {
         return domainFactory.getOrCreateCourseArea(id, getName());