Flyweight Pattern in Php — StudySection Blog

Useful note, before proceeding

What is the flyweight pattern?

When to Use the Flyweight Pattern

  • Flyweight objects should never be created by the client using the new keyword. Instances should always be created using factory class.
  • The factory class should store instances of each flyweight, similar to how a multiton stores a reference to an object in a static attribute.
  • Flyweight attributes that are not shareable (external) between all instances of Flyweight must be supplied by the client and stored inside the Flyweight object.
  • Flyweight attributes that are shareable (intrinsic) must be immutable and set by default to flyweight.
  • The client/controller is responsible for creating the flyweights using the factory class and providing them with the domain model.

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