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Programming Patterns - Observer - script for MetaTrader 5

DMITRII PECHERITSA
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b_observer.mq5 (14.3 KB) view
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  • 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.


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