Registry

The book has now been published and the content of this chapter has likely changed substanstially.

A well-known object that ogther objects can use to find common objects and services.

A Registry is essentially a global object, or at least it looks like one - even if it isn't as global as it may appear.

Note that a Singleton[GOF] acts as a Registry but a Registry is not necessarily a Singleton. This is discussed in more detail in "Patterns of Enterprise Application Architecture"[PEAA].

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