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Multiton Design Pattern in Delphi

Yanniel's notes – The multiton is somewhat an extension of the singleton pattern. It is referred as registry of singletons by the GOF. I don’t know for sure who appointed the name multiton: it’s an analogy derived from the term singleton. So, singleton = single + ton; while multiton = multi + ton.The singleton pattern guarantees that a class has only one instance; while the multiton allows keeping multiple instances by maintaining a map of related keys and unique objects. Note that there can be only one instance per key when implementing the multiton pattern. Also, note that the key does not have to be a ...

Favorite? Off-Topic? Yanniel @ 2011-11-21 18:42