Hi all,
I have a strategy that defines handling a woosey. Most woosey handlers are
going to need some help, maybe a wibbly and a woobly. In OO land I would
have a WooseyHandler { void handle(Woosey woosey); }. The implementations
would then receive Wibblies and Wooblies via dependency injection.
So far I have gotten away with passing in collaborators as parameters to
the functions, or if there are a lot of collaborators for ThingX I will
have a factory for ThingX which returns a map of collaborators that ThingX
needs and then pass that map as the first argument to ThingX's functions.
My question is now I have a genuine strategy - which seems to point to
multi-methods. Let's say that ThingX can now handle wooseys. Each
instance of ThingX is really just a map of its collaborators so that map
can't take part in the multimethod implementations. I could make ThingX a
record and then extend it but I am trying to avoid types as much as
possible...
So, how can I handle this situation? A strategy where the implementation
of that strategy requires more than the subject of that strategy?
Being well entrenched in Java I am consciously avoiding the 'kingdom of
nouns' and wrapping everything in a custom type, and so far it is working
wonderfully. Am I now too allergic to custom types?
Thanks!
Col
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