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Contents
require "delegate"
require "forwardable"
module VagrantPlugins
module CommandServe
class Mappers
module Internal
class Graph
# Wrapper around a vertex and used within the
# graph to allow weighting edges for path
# preference. All vertices within a graph are
# WeightedVertex instances. Paths with the
# lowest weights are preferred.
class WeightedVertex < SimpleDelegator
# Force the delegator to properly look like the
# vertex its decorating
extend Forwardable
def_delegators :__getobj__, :is_a?, :kind_of?, :class
attr_reader :weight
def initialize(vertex, weight:)
if !vertex.is_a?(Vertex)
raise TypeError,
"Expected `Vertex' type, got `#{vertex.class}'"
end
self.weight = weight
super(vertex)
end
def weight=(w)
if !w.is_a?(Integer)
raise TypeError,
"Expected `Integer' type for weight, got `#{w.class}'"
end
@weight = w
end
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 2 rubygems