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rails--rails/activerecord/test/models/edge.rb
Jeremy Kemper 43b81d01d0 move assets and models
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8657 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
2008-01-18 07:27:03 +00:00

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Ruby

# This class models an edge in a directed graph.
class Edge < ActiveRecord::Base
belongs_to :source, :class_name => 'Vertex', :foreign_key => 'source_id'
belongs_to :sink, :class_name => 'Vertex', :foreign_key => 'sink_id'
end