activerecord/test/models/edge.rb


1
2
3
4
5
6

# frozen_string_literal: true
# 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