Class: Graphsrb::Node

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

Overview

This class represents a single entry in a adjacency list.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(vertex_id, args = {}) ⇒ Node

Creates a new node



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# File 'lib/graphsrb/node.rb', line 7

def initialize(vertex_id, args={})
  @vertex = Graphsrb::Vertex.new(vertex_id)
  @weight = args.fetch(:weight, 1)
end

Instance Attribute Details

#vertex ⇒ Object (readonly)

Returns the value of attribute vertex.



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# File 'lib/graphsrb/node.rb', line 4

def vertex
  @vertex
end

#weight ⇒ Object (readonly)

Returns the value of attribute weight.



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# File 'lib/graphsrb/node.rb', line 4

def weight
  @weight
end

Instance Method Details

#==(node) ⇒ Object

Compares two nodes. Two nodes are equal if their vertices are equal.



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# File 'lib/graphsrb/node.rb', line 18

def ==(node)
  vertex == node.vertex
end

#update_weight(w) ⇒ Object

Updates weight



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# File 'lib/graphsrb/node.rb', line 13

def update_weight(w)
  @weight = w
end