Can somebody post a good example of implementation of an abstract interface pattern? Is it possible to draw it in a diagram and let the code generator and framework set the associations correctly? i can't seem to do it. I have to resort to drawing some of it in UML, but creating the link in code.

I narrowed down the problem. I can draw an abstract interface pattern purely in UML, with no code, and get Rhapsody to generate my objects and links correctly. But when I move the calling class into a composite class, it fails.

I figured out my problem after running a series of tests. First, always read the Check Model output when problems occur, even when the compiler doesn't fail.

Links can't cross composite boundaries. What is the best solution if thats really what you want to do? I know I can instantiate the link programmatically. Is there another preferred method?

Have you used Ports? A relay port will allow you to expose the interface at the composite level.