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  2. Visitor pattern - Wikipedia

    en.wikipedia.org/wiki/Visitor_pattern

    The Visitor Family of Design Patterns at the Wayback Machine (archived October 22, 2015). Additional archives: April 12, 2004, March 5, 2002. A rough chapter from The Principles, Patterns, and Practices of Agile Software Development, Robert C. Martin, Prentice Hall; Visitor pattern in UML and in LePUS3 (a Design Description Language)

  3. Software design pattern - Wikipedia

    en.wikipedia.org/wiki/Software_design_pattern

    In software engineering, a software design pattern or design pattern is a general, reusable solution to a commonly occurring problem in many contexts in software design. [1] A design pattern is not a rigid structure that can be transplanted directly into source code. Rather, it is a description or a template for solving a particular type of ...

  4. Double dispatch - Wikipedia

    en.wikipedia.org/wiki/Double_dispatch

    With this in mind, one ought never to presume the use of agents in the double-dispatch and their application in visitor patterns. If one can clearly see a design limit as to the domain of class types that will be involved in the co-variant interactions, then a direct call is the more efficient solution in terms of computational expense.

  5. Design Patterns - Wikipedia

    en.wikipedia.org/wiki/Design_Patterns

    Design Patterns: Elements of Reusable Object-Oriented Software (1994) is a software engineering book describing software design patterns. The book was written by Erich Gamma , Richard Helm , Ralph Johnson , and John Vlissides , with a foreword by Grady Booch .

  6. Object-oriented programming - Wikipedia

    en.wikipedia.org/wiki/Object-oriented_programming

    Along with exploring the capabilities and pitfalls of object-oriented programming, it describes 23 common programming problems and patterns for solving them. The book describes the following patterns: Creational patterns (5): Factory method pattern, Abstract factory pattern, Singleton pattern, Builder pattern, Prototype pattern

  7. Design pattern - Wikipedia

    en.wikipedia.org/wiki/Design_pattern

    A design pattern is the re-usable form of a solution to a design problem. The idea was introduced by the architect Christopher Alexander [ 1 ] and has been adapted for various other disciplines, particularly software engineering .

  8. Pattern-Oriented Software Architecture - Wikipedia

    en.wikipedia.org/wiki/Pattern-Oriented_Software...

    Ian Graham reviewed the first volume in the Journal of Object-Oriented Programming. [2] DBMS columnist David S. Linthicum found the first volume to be "the best book on patterns for application architects", while Bin Yang of JavaWorld thought it had "many interesting architecture and design patterns". [3] [4]

  9. Observer pattern - Wikipedia

    en.wikipedia.org/wiki/Observer_pattern

    [5] The observer pattern, as described in the Design Patterns book, is a very basic concept and does not address removing interest in changes to the observed subject or special logic to be performed by the observed subject before or after notifying the observers. The pattern also does not deal with recording change notifications or guaranteeing ...