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Flyweight Design Pattern In Python

Flyweight design pattern in Python to support sharing of objects when the objects are in large number with details to granularity of system.

Output

New Flyweight in pool
Inside ConcreteFlyweight::Operation()
Intrinsic State = 101, Extrinsic State = 10
New Flyweight in pool
Inside ConcreteFlyweight::Operation()
Intrinsic State = 102, Extrinsic State = 20
New Flyweight in pool
Inside ConcreteFlyweight::Operation()
Intrinsic State = 103, Extrinsic State = 30
Flyweight from existing pool
Inside ConcreteFlyweight::Operation()
Intrinsic State = 101, Extrinsic State = 50
Inside UnsharedConcreteFlyweight::Operation()
All State = 500, Extrinsic State = 1000


Suresh Kumar Srivastava is founder of online learning site coursegalaxy.com and author of popular books C In Depth, Data Structures Through C In Depth. He has 18+ years experience in industry and worked on architecture and design of multiple products. This article Flyweight Design Pattern In Python is from his Design Patterns course.