Module: Pacer::PacerGraph::ElementType

Included in:
Pacer::PacerGraph
Defined in:
lib/pacer/graph/pacer_graph.rb

Instance Method Summary collapse

Instance Method Details

#element_type(et = nil) ⇒ Object 



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# File 'lib/pacer/graph/pacer_graph.rb', line 440

def element_type(et = nil)
  return nil unless et
  result = case et
           when :vertex, Pacer::Vertex
             :vertex
           when :edge, Pacer::Edge
             :edge
           when :mixed, Pacer::Element
             :mixed
           when :object
             :object
           else
             if et == Object
               :object
             elsif et == index_class(:vertex)
               :vertex
             elsif et == index_class(:edge)
               :edge
             end
           end
  if result
    result
  else
    raise ArgumentError, 'Element type may be one of :vertex, :edge, :mixed or :object'
  end
end

#element_type?(et) ⇒ Boolean

Is the element type given supported by this graph?

Parameters:

  • et (:edge, :vertex, :mixed, element_type, Object) —

    the object we’re testing

Returns:

  • (Boolean) 


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# File 'lib/pacer/graph/pacer_graph.rb', line 436

def element_type?(et)
  [:vertex, :edge, :mixed].include?  element_type(et)
end