Programming Patterns - Observer - script for MetaTrader 5

Programming Patterns – Observer – script MetaTrader 5

by


  • Subjects update observers through interface.
  • Subjects knows nothing about the observers (one-to-many weak relation).
  • New data can be broadcast by the subject, or requested by the observers (better).
  • Order of notification is not guaranteed.

RULE: Use weak connection between communicating objects.


    Programming Patterns – Observer – script MetaTrader 5
    📈 ROBOTFX MetaTrader Expert Advisors and Indicators to maximize profits and minimize the risks

    Similar MetaTrader Trading Tools:

    • Programming Patterns - Factory Method - script for MetaTrader 5
      Programming Patterns - Factory Method - script MetaTrader 5       Programming Patterns - Factory Method - script MetaTrader 5
    • Programming Patterns - Abstract Factory - script for MetaTrader 5
      Programming Patterns - Abstract Factory - script…       Many architectures start with Factory method, then evolve to AF, Prototype, Builder Builder makes complex objects step-by-step. AF makes families…
    • Programming Patterns - Strategy - script for MetaTrader 5
      Programming Patterns - Strategy - script MetaTrader 5       A good architecture is extendable, supportable, and reusable. Patterns help build hq systems. Patterns are proven to be good by…
    • Programming Patterns - Decorator - script for MetaTrader 5
      Programming Patterns - Decorator - script MetaTrader 5        • Inheritance is not always flexible.  • Composition and delegation is sometimes a good alternative to dynamically add new behavior.…
    • Programming patterns - Facade - library for MetaTrader 5
      Programming patterns - Facade - library MetaTrader 5       /**************************************************************** Programming patterns - Facade Provide a unified interface to a set of interfaces in a subsystem. Facade defines a…
    • Programming patterns - Composite - library for MetaTrader 5
      Programming patterns - Composite - library MetaTrader 5       /**************************************************************** Programming patterns: Composite pattern Compose objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects…
    • observer (pull model) - behavioral design pattern - library for MetaTrader 5
      observer (pull model) - behavioral design pattern -…       //+------------------------------------------------------------------+ //|                                                201111_104313.mqh | //|                                    2019-2020, dimitri pecheritsa | //|                                                 792112@gmail.com | //+------------------------------------------------------------------+ // //   observer (pull model) - behavioral design pattern…
    • observer (push) - behavioral design pattern - library for MetaTrader 5
      observer (push) - behavioral design pattern -…       //+------------------------------------------------------------------+ //|                                                201111_091814.mq5 | //|                                    2019-2020, dimitri pecheritsa | //|                                                 792112@gmail.com | //+------------------------------------------------------------------+ // //   observer (push) - behavioral design pattern //…