Class: Media::Filter::Graph

Inherits:
Object
  • Object
show all
Defined in:
lib/media/filter/graph.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}, &block) ⇒ Graph

Returns a new instance of Graph.



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# File 'lib/media/filter/graph.rb', line 8

def initialize(args={}, &block)
  @chains = args.fetch(:chains, [])
  
  block.arity < 1 ? instance_eval(&block) : block.call(self) if block_given?
end

Instance Attribute Details

#chains ⇒ Object (readonly)

Returns the value of attribute chains.



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# File 'lib/media/filter/graph.rb', line 6

def chains
  @chains
end

Instance Method Details

#add_chain(&block) ⇒ Object Also known as: chain 



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# File 'lib/media/filter/graph.rb', line 18

def add_chain(&block)
  @chains << Filter::Chain.new(&block)
end

#to_s ⇒ Object 



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# File 'lib/media/filter/graph.rb', line 14

def to_s
  chains.join('; ')
end