Have you looked at the node-processing example? How would you solve it with interface/strategy?
How can those be used to solve the problem if the action to be taken by the code being authored depends on the actual runtime class of the node? (The restriction that you can't change the code for the subject class hierarchy prevents a callback-based solution; that's what I might have suggested otherwise.) At 06:29 AM 7/18/2006, Frans Bouma wrote (in part) >> > I think what you're looking for is a Visitor. > > A couple of people, including yours truly, have suggested > interfaces/strategy pattern-esk approaches. Have you thought about these too? > Your problem is typical for that pattern to solve. > > FB J. Merrill / Analytical Software Corp =================================== This list is hosted by DevelopMentor® http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
