Removed the no longer method deleteItinerary()

dddsample/src/main/java/se/citerus/dddsample/repository/CargoRepository.java

 package se.citerus.dddsample.repository;
 
 import se.citerus.dddsample.domain.Cargo;
-import se.citerus.dddsample.domain.Itinerary;
 import se.citerus.dddsample.domain.TrackingId;
 
 import java.util.List;
    */
   TrackingId nextTrackingId();
 
-  /**
-   * Deletes an itinerary.
-   *
-   * @param itinerary itinerary to delete
-   */
-  void deleteItinerary(Itinerary itinerary);
 }

dddsample/src/main/java/se/citerus/dddsample/repository/CargoRepositoryHibernate.java

         it might be cumbersome to map the relation between cargo and handling event,
         since we want to be able to insert handling events regardless of locking status on cargo.
 
+
         If this extra database call were a problem, you might want to use a different model.
         For example, you could calculate the effect/status of the cargo and store it separate from the
         handling events. */
+
+    /*
+        TODO:
+        the decision whether or not to include the delivery history when loading cargo
+        seems to belong in the service layer, which defines use cases.
+     */
     DeliveryHistory deliveryHistory = new DeliveryHistory(handlingEventRepository.findEventsForCargo(tid));
     cargo.setDeliveryHistory(deliveryHistory);
 
   }
 
   public TrackingId nextTrackingId() {
-    // TODO:
-    // Could be an opportunity to maybe illustrate how to handle pessimistic locking
-    // and aggregate boundaries, and maybe problems with a distributed application
-    // sharing a database. For now it's simply random though.
-    String random = UUID.randomUUID().toString().toUpperCase();
+    final String random = UUID.randomUUID().toString().toUpperCase();
     return new TrackingId(
       random.substring(0, random.indexOf("-"))
     );
   }
 
-  public void deleteItinerary(Itinerary itinerary) {
-    // Itinerary should be mapped to cascade deletes to all its legs
-    if (itinerary != null) {
-      getSession().delete(itinerary);
-    }
-  }
-
   public List<Cargo> findAll() {
     return getSession().createQuery("from Cargo").list();
   }