Category Pattern

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To quote ChristopherAlexander, in such a way that you can use this solution a million times over, without ever doing it the same way twice."

ALEXANDER was writing primarily about architecture, construction, and urban/regional planning -- how people organize their environment. His ideas about patterns have been applied to software development by WardCunningham and others.

Patterns are one of the main reasons for wiki wiki.

See CategoryAntiPattern for commonly used patterns of behavior that often produce undesirable results.

Comments on selected pages:

TestIfDateRangesOverlap [Maybe it's just an idiom. ;-]
InterfaceFactories [Java idiom]

Patterns using the DesignPatternsBook categorization scheme:

CategoryCreationalPatterns

AbstractFactoryPattern
BuilderPattern
FactoryMethodPattern
PrototypePattern
SingletonPattern: a class of which only a single instance can exist.
LazyInstantiationPattern

CategoryStructuralPatterns

AdapterPattern
BridgePattern
CompositePattern
DataBusPattern
DecoratorPattern: attach additional responsibilities to an object dynamically.
FacadePattern: a single class that provides a unified interface to an entire subsystem.
FlyweightPattern
ProxyPattern
RoleObjectPattern

CategoryBehavioralPatterns

ChainOfResponsibilityPattern
CommandPattern: encapsulate a command request as an object.
InterpreterPattern
IteratorPattern: sequentially access the elements of a collection.
MediatorPattern
MementoPattern: capture and restore an object's internal state.
ObserverPattern: when one object changes state, a list of "observer" objects is notified.
StatePattern
StrategyPattern
TemplateMethodPattern
VisitorPattern
HierarchicalVisitorPattern

Other Common Patterns:

CategorySecurityPatterns

CategoryConcurrencyPatterns

CategoryRealTimePatterns

ScheduledTask

UserInterfacePatterns (UserInterface)

Life Cycle Patterns

CompatibleSuiteUpgrade v. IncompatibleSuiteUpgrade

Social

CategorySelfImprovementPatterns

Other

PatternBacklash (Pattern Criticism)
RelationalPatterns
MightBePatterns
BlackBeltsTrainWhiteBelts (CategoryTeamPattern??)

DesignPatterns -- discussion on patterns in general
DesignPatternTemplate -- tips on creating new pattern pages

For another way to organize patterns, see CategorizingPatterns.

SoftwareDesignPatternsIndex (With cross references to other names for the same pattern.)

CategoryCategory

EditText of this page (last edited October 6, 2005)
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This page mirrored in WikiPagesAboutWhatArePatterns as of April 29, 2006