Class: CircuitBreaker::Arc

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

Overview

Represents an arc connecting places and transitions in the Petri net Arcs can have weights to specify how many tokens are required/produced

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, target, weight = 1) ⇒ Arc

Initialize a new arc



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# File 'lib/circuit_breaker.rb', line 99

def initialize(source, target, weight = 1)
  @source = source
  @target = target
  @weight = weight
end

Instance Attribute Details

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/circuit_breaker.rb', line 89

def source
  @source
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/circuit_breaker.rb', line 93

def target
  @target
end

#weight ⇒ Object (readonly)

Returns the value of attribute weight.



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# File 'lib/circuit_breaker.rb', line 85

def weight
  @weight
end

Instance Method Details

#enabled? ⇒ Boolean

Check if this arc is enabled (can fire)



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# File 'lib/circuit_breaker.rb', line 107

def enabled?
  case source
  when Place
    source.token_count >= weight
  when Transition
    true  # Transitions can always produce tokens
  else
    false
  end
end