Class: Hakuban::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/hakuban/engine.rb

Constant Summary collapse

@@descendants = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/hakuban/engine.rb', line 5

def initialize
	raise "Hakuban::Engine is abstract"  if self.class == Hakuban::Engine
	@contracts = []
end

Class Method Details

.engines ⇒ Object 



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# File 'lib/hakuban/engine.rb', line 33

def self.engines
	@@descendants
end

.inherited(subclass) ⇒ Object 



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# File 'lib/hakuban/engine.rb', line 38

def self.inherited(subclass)
	@@descendants << subclass
end

Instance Method Details

#init(exchange) ⇒ Object 



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# File 'lib/hakuban/engine.rb', line 18

def init(exchange)
	raise "Hakuban::Engine::init is a pure virtual function, descendants should bring their own implementation"
end

#start(exchange) ⇒ Object 



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# File 'lib/hakuban/engine.rb', line 11

def start(exchange)
	@contracts.concat([init(exchange)])
	@contracts.flatten!
	@contracts.compact!
	@contracts.uniq!
end

#stop ⇒ Object 



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# File 'lib/hakuban/engine.rb', line 22

def stop
	@contracts.each { |contract|
		contract.drop
	}
end