Versions out-of friend relationships and you will „knowledge stepping stone” classes may be used as the solitary-purpose experience coordinators ranging from fixed groups of items.

Rather than wrapping up all participants as links, a module-like class may hold only the „protocols” for maintaining relations and interactions among particular kinds of objects, leaving the arguments intact. Usually, such classes support a collection of operations that all have exactly the same arguments. For example, to group sets of operations on pairs of EmailingTitles:

These classes are similar to modules in other design frameworks. They help organize and localize groups of related functionality. They also serve the same conceptual role as creators. In fact, they may be defined in an arbitrarily similar manner to generator classes. Czytaj dalej For example, a course will get coordinate the entranceway-sensor-motor communication off Section six: →