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@@ -8,32 +8,34 @@ rerun `append_output.sh` to keep the output comments at the bottom up to date.
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Current Patterns:
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-* 3-tier
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-* abstract_factory
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-* adapter
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-* borg
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-* bridge
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-* builder
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-* catalog
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-* chain
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-* command
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-* composite
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-* decorator
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-* facade
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-* factory_method
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-* flyweight
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-* graph_search
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-* iterator
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-* mediator
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-* memento
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-* mvc
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-* null
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-* observer
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-* pool
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-* prototype
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-* proxy
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-* publish_subscribe
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-* state
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-* strategy
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-* template
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-* visitor
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+| Pattern | Description |
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+|:-------:| ----------- |
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+| [3-tier](3-tier.py) | data<->business logic<->presentation separation (strict relationships) |
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+| [abstract_factory](abstract_factory.py) | use a generic function with specific factories |
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+| [adapter](adapter.py) | adapt one interface to another using a whitelist |
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+| [borg](borg.py) | a singleton with shared-state among instances |
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+| [bridge](bridge.py) | a client-provider middleman to soften interface changes |
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+| [builder](builder.py) | call many little discrete methods rather than having a huge number of constructor parameters |
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+| [catalog](catalog.py) | general methods will call different specialized methods based on construction parameter |
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+| [chain](chain.py) | apply a chain of successive handlers to try and process the data |
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+| [command](command.py) | bundle a command and arguments to call later |
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+| [composite](composite.py) | encapsulate and provide access to a number of different objects |
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+| [decorator](decorator.py) | wrap functionality with other functionality in order to affect outputs |
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+| [facade](facade.py) | use one class as an API to a number of others |
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+| [factory_method](factory_method.py) | delegate a specialized function/method to create instances |
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+| [flyweight](flyweight.py) | transparently reuse existing instances of objects with similar/identical state |
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+| [graph_search](graph_search.py) | (graphing algorithms, not design patterns) |
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+| [iterator](iterator.py) | structure repeated, identical calls as a generator |
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+| [mediator](mediator.py) | an object that knows how to connect other objects and act as a proxy |
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+| [memento](memento.py) | generate an opaque token that can be used to go back to a previous state |
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+| [mvc](mvc.py) | model<->view<->controller (non-strict relationships) |
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+| [null](null.py) | (no clear use in modern Python) |
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+| [observer](observer.py) | provide a callback for notification of events/changes to data |
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+| [pool](pool.py) | preinstantiate and maintain a group of instances of the same type |
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+| [prototype](prototype.py) | use a factory and clones of a prototype for new instances (if instantiation is expensive) |
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+| [proxy](proxy.py) | an object funnels operations to something else |
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+| [publish_subscribe](publish_subscribe.py) | a source syndicates events/data to 0+ registered listeners |
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+| [state](state.py) | logic is org'd into a discrete number of potential states and the next state that can be transitioned to |
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+| [strategy](strategy.py) | selectable operations over the same data |
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+| [template](template.py) | an object imposes a structure but takes pluggable components |
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+| [visitor](visitor.py) | invoke a callback for all items of a collection |
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Dustin Oprea