Class: Graphviz::Edge

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

Overview

Represents a visual edge between two nodes.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(graph, source, destination, attributes = {}) ⇒ Edge

Initialize the edge in the given graph, with a source and destination node.

Parameters:

  • attributes (Hash) (defaults to: {}) —

    The associated graphviz attributes for this edge.



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# File 'lib/graphviz/edge.rb', line 28

def initialize(graph, source, destination, attributes = {})
	@graph = graph
	@graph.edges << self
	
	@source = source
	@destination = destination
	
	@attributes = attributes
end

Instance Attribute Details

#attributes ⇒ Hash

Returns Any attributes specified for this edge.

Returns:

  • (Hash) —

    Any attributes specified for this edge.



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# File 'lib/graphviz/edge.rb', line 45

def attributes
  @attributes
end

#destination ⇒ Node (readonly)

Returns The destination node.

Returns:

  • (Node) —

    The destination node.



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# File 'lib/graphviz/edge.rb', line 42

def destination
  @destination
end

#source ⇒ Node (readonly)

Returns The source node.

Returns:

  • (Node) —

    The source node.



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# File 'lib/graphviz/edge.rb', line 39

def source
  @source
end

Instance Method Details

#to_s ⇒ String

Returns A convenient ASCII arrow.

Returns:

  • (String) —

    A convenient ASCII arrow.



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# File 'lib/graphviz/edge.rb', line 48

def to_s
	"#{@source} -> #{@destination}"
end