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Programming Patterns - Abstract Factory - MetaTrader 5 için komut dosyası

DMITRII PECHERITSA
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Derecelendirme:
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Yayınlandı:
2019.10.02 14:20
Güncellendi:
2019.10.02 14:40
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Bu koda dayalı bir robota veya göstergeye mi ihtiyacınız var? Freelance üzerinden sipariş edin Freelance'e git

  • Many architectures start with Factory method, then evolve to AF, Prototype, Builder
  • Builder makes complex objects step-by-step. AF makes families of related products. Builder returns the object after all steps are complete. AF returns its object at once.
  • AF classes are often made with Factory Method/Prototype
  • AF can be used instead of Facade to hide classes
  • AF and Bridge can be used together, if you have abstractions which will work only with some real classes.
  • AF, Builder, Prototype can be made with Singleton
//--- OUTPUT
/*
   Factory 1 constructed
    • Product A1 constructed
    • Product B1 constructed
       • Doing A1 operation
       • Doing B1 operation
    • Product A1 destructed
    • Product B1 destructed
   Factory 1 destructed
   Factory 2 constructed
    • Product A2 constructed
    • Product B2 constructed
       • Doing A2 operation
       • Doing B2 operation
    • Product A2 destructed
    • Product B2 destructed
   Factory 2 destructed
*/


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Rma MACD

Programming Patterns - Observer Programming Patterns - Observer

When the subject changes, it notifies and updates its observers, who know nothing about each other.

Programming Patterns - Factory Method Programming Patterns - Factory Method

Define an interface for creating an object, but let subclasses decide which class to instantiate. Lets a class defer instantiation to subclasses.

Programming Patters - Builder (classic) Programming Patters - Builder (classic)

Separate the construction of a complex object from its representation so that the same construction process can create different representations.