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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8657 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
5 lines
233 B
Ruby
5 lines
233 B
Ruby
# This class models an edge in a directed graph.
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class Edge < ActiveRecord::Base
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belongs_to :source, :class_name => 'Vertex', :foreign_key => 'source_id'
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belongs_to :sink, :class_name => 'Vertex', :foreign_key => 'sink_id'
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end
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