diff options
Diffstat (limited to 'activerecord/test/fixtures/vertex.rb')
| -rw-r--r-- | activerecord/test/fixtures/vertex.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/test/fixtures/vertex.rb b/activerecord/test/fixtures/vertex.rb new file mode 100644 index 0000000000..f4c11144de --- /dev/null +++ b/activerecord/test/fixtures/vertex.rb @@ -0,0 +1,9 @@ +# 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, :source => :sink + + has_and_belongs_to_many :sources, + :class_name => 'Vertex', :join_table => 'edges', + :foreign_key => 'sink_id', :association_foreign_key => 'source_id' +end |