[appfuse-user] Type safety and generics in Service

[PeteTh]

The examples in Tutorial show 

public class PersonManagerImpl implements PersonManager {   
    private PersonDao dao;   

declaring the dao like this means the methods have to do a cast :-

    public Person getPerson(final Long id) {   
        return (Person) dao.get(id);   
    }   

I thought the point of using GenericDAO instead of UniversalDAO was to avoid
the cast ? 
 
Isn't it better to declare the dao as :- 

   private PersonDao<Person, Long> dao;

but I think a cast is still necessary?

Any thoughts appreciated.
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