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 pattern - Definition 

Pattern (3967 bytes)
2: ... The detection of underlying patterns is called [[pattern recognition]].
4: ...odification. For example, in aviation, a "holding pattern" is a flight path which can be repeated until the...
6: ...of the English language is required to detect the pattern.
8: Pattern recognition is studied in many fields, including ...
10: Some patterns (for example, many visual patterns) may be directly observable through [[the senses...

Interpreter pattern (290 bytes)
1: ...icular [[design pattern (computer science)|design pattern]].
10: [[Category:Software design patterns]]

Reactor Pattern (376 bytes)
1: ...lso known as [[Dispatcher Pattern]] or [[Notifier Pattern]]
4: ...actor-siemens.pdf Reactor -- An Object Behavioral Pattern for Event Demultiplexing and Event Handler Dispat...

Pattern language (6598 bytes)
3: A '''pattern language''' is a structured method of describing ...
9: Pattern languages are used to formalize decision-making v...
13: ... idea was initially popularized in his book ''[[A Pattern Language]]''.
15: ... Way of Building]]'' describes what he means by ''pattern language'' and how it applies to the [[design]] a...
17: ==What is a pattern?==

Fundamental pattern (371 bytes)
1: ...nce)|design pattern]]s. Examples of this class of patterns include:
2: * [[Delegation pattern]]
3: * [[Interface pattern]]
4: * [[Proxy pattern]]
5: * [[Immutable pattern]]

Creational pattern (749 bytes)
1: ...added complexity to the design. Creational design patterns solve this problem by somehow controlling this o...
3: Some examples of creational design patterns include:
5: * [[Abstract factory pattern]]
6: * [[Anonymous subroutine objects pattern]]
7: * [[Builder pattern]]

Anti-pattern (1915 bytes)
1: In [[computer science]], '''anti-patterns''' are problems that happen frequently in [[comp...
3: ...computer science)|design patterns]]", while "anti-patterns" are the opposite.
5: Anti-patterns can also be referred to as '''pitfalls''', to em...
26: * [[Dead End (Anti-Pattern)|dead end]]
53: * [[Perl Design Patterns Book]]

Mediator pattern (1127 bytes)
1: A [[software design pattern]], '''mediator pattern''' is used for computer programming.
11: The Mediator pattern addresses this problem by promoting looser [[coup...
15: [[Category:Software design patterns]]

Observer pattern (2012 bytes)
1: ...' is a [[design pattern (computer science)|design pattern]] used in computer programming to observe the sta...
3: The essence of this pattern is that several objects (called [[Listeners|liste...
9: The typical usages of the observer pattern:
13: ...is article] for a discussion about using observer pattern for watching over changes of properties and updat...
17: The observer pattern is implemented in numerous [[Programming library|...

State pattern (243 bytes)
1: ... behavioral [[software design pattern]], '''state pattern''' is used for computer programming to control th...
3: ''See also:'' [[Strategy pattern]], [[Dynamic classification]]
6: [[Category:Software design patterns]]

Strategy pattern (1651 bytes)
1: ...design pattern (computer science)|software design pattern]], whereby [[algorithm]]s can be selected on-the-...
3: ...ject, and make them interchangeable. The strategy pattern lets the algorithms vary independently from clien...
5: The following class diagram shows the strategy pattern basically consists of a context class and a set o...
9: *[[Explicit strategy pattern]]
12: ...t.com/patterns/Strategy.html Description from the Pattern Digest]

Concurrency pattern (536 bytes)
1: ...nce)|design patterns]]. Examples of this class of patterns include:
2: * [[Action at a distance pattern]]
3: * [[Balking pattern]]
4: * [[Disable job requests while running job pattern]]
5: * [[Double checked locking pattern]]

Structural pattern (541 bytes)
1: ...'' are [[Design_pattern_(computer_science)|Design Patterns]] that ease the design by identifying a simple w...
3: Examples of Structural Patterns include:
5: * [[Adapter pattern]]
6: * [[Bridge pattern]]
7: * [[Composite pattern]]

Balking pattern (613 bytes)
1: ...design pattern (computer science)|software design pattern]] that only executes an action on an [[object (co...
3: ...ad and write lock pattern]], [[Guarded suspension pattern]]
6: [[Category:Software design patterns]]

Scheduler pattern (1040 bytes)
1: ...oftware design pattern]]. It is a [[concurrency]] pattern used to explicitly control when [[thread (softwar...
3: The scheduler pattern uses an object that explicitly sequences waiting ...
5: The [[Read write lock pattern|read/write lock pattern]] is usually implemented using the scheduler patt...
7: Note that the scheduler pattern adds significant overhead beyond that required to...
9: ...ern is not quite the same as the [[scheduled-task pattern]].

Pattern Recognition (novel) (1172 bytes)
1: ... Unlike his previous [[science fiction]] works, ''Pattern Recognition'' is a work of mainstream [[fiction]]...

Pattern matching (2851 bytes)
3: '''Pattern matching''' is a feature in [[functional programm...
9: ...hat a certain piece of data is equal to a certain pattern. For example, in the function:
14: ...g, we may wish to disregard a certain part of the pattern, since we have no real use ascribing a name to it...
17: ... inevitably occurs, or another subfunction with a pattern that does match this data is called to handle thi...
19: Pattern matching failure can often be ascribed to a [[typ...

Frieze pattern (832 bytes)
1: [[Image:frieze2b.png|right|patterns for the 7 frieze groups]]
3: ... There are a total of seven possible basic frieze patterns, comprising:

Aggregate pattern (3558 bytes)
1: ...' is a [[design pattern (computer science)|design pattern]].
70: contained or known object in turn, AggregatePattern summarizes them in
73: ''The article is originally from [[Perl Design Patterns Book]].''
76: * [[Visitor pattern]]
78: * [[Facade pattern]]

Behavioral pattern (779 bytes)
1: ...ts and realize these patterns. By doing so, these patterns increase flexibility in carrying out this commun...
3: Examples of this type of design pattern include:
4: * [[Chain of responsibility pattern]]
5: * [[Command pattern]]
8: * [[Interpreter pattern]]

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "pattern".