more abstractions as domain interfaces

com.sap.sailing.domain/src/com/sap/sailing/domain/base/Nationality.java

@@ -0,0 +1,6 @@
+package com.sap.sailing.domain.base;
+
+
+public interface Nationality extends Named, WithImage {
+	String getThreeLetterAcronym();
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/Person.java

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+package com.sap.sailing.domain.base;
+
+import java.util.Date;
+
+public interface Person extends Named, WithImage {
+	Date getDateOfBirth();
+
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/RaceDefinition.java

@@ -0,0 +1,6 @@
+package com.sap.sailing.domain.base;
+
+public interface RaceDefinition extends Named {
+	Course getCourse();
+	Iterable<Boat> getBoats();
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/Sailor.java

@@ -0,0 +1,4 @@
+package com.sap.sailing.domain.base;
+
+public interface Sailor extends Person {
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/Team.java

@@ -0,0 +1,5 @@
+package com.sap.sailing.domain.base;
+
+public interface Team extends Named {
+	Iterable<Sailor> getSailors();
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/TeamOnBoat.java

@@ -0,0 +1,6 @@
+package com.sap.sailing.domain.base;
+
+public interface TeamOnBoat {
+	Team getTeam();
+	Boat getBoat();
+}

com.sap.sailing.domain/src/com/sap/sailing/domain/base/WithImage.java

@@ -0,0 +1,7 @@
+package com.sap.sailing.domain.base;
+
+import java.io.InputStream;
+
+public interface WithImage {
+	InputStream getImage();
+}

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

@@ -0,0 +1,10 @@
+package com.sap.sailing.domain.tracking;
+
+import com.sap.sailing.domain.base.Boat;
+import com.sap.sailing.domain.base.Mark;
+import com.sap.sailing.domain.base.Timed;
+
+public interface MarkRounding extends Timed {
+	Mark getMark();
+	Boat getBoat();
+}