Contents

# This class models a vertex in a directed graph.
class Vertex < ActiveRecord::Base
  has_many :sink_edges, :class_name => 'Edge', :foreign_key => 'source_id'
  has_many :sinks, :through => :sink_edges

  has_and_belongs_to_many :sources,
    :class_name => 'Vertex', :join_table => 'edges',
    :foreign_key => 'sink_id', :association_foreign_key => 'source_id'
end

Version data entries

8 entries across 8 versions & 1 rubygems

Version	Path
ibm_db-5.2.0-x86-mingw32	test/models/vertex.rb
ibm_db-5.1.0-x86-mingw32	test/models/vertex.rb
ibm_db-5.0.5-x86-mingw32	test/models/vertex.rb
ibm_db-5.0.4-x86-mingw32	test/models/vertex.rb
ibm_db-5.0.3-x86-mingw32	test/models/vertex.rb
ibm_db-5.0.2-x86-mingw32	test/models/vertex.rb
ibm_db-3.0.5-x86-mingw32	test/models/vertex.rb
ibm_db-3.0.5	test/models/vertex.rb