Singleton a class : Singletons « Design Patterns « Ruby

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Ruby » Design Patterns » Singletons

Singleton a class





class MyLogger

  private_class_method :new

  @@logger = nil

  def MyLogger.create

    @@logger = new unless @@logger

    @@logger

  end

end



puts MyLogger.create.id

puts MyLogger.create.id

Related examples in the same category

1.	define class methods by using a class within a class's singleton class like the code
2.	Define a singleton method, one that is tied to a single object
3.	Classes as Singletons
4.	Modules as Singletons
5.	include Singleton

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