Method: NoBrainer::Document::Association::HasMany::Metadata#inverses

Defined in:
lib/no_brainer/document/association/has_many.rb

#inverses ⇒ Object 



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# File 'lib/no_brainer/document/association/has_many.rb', line 33

def inverses
  # We can always infer the inverse association of a has_many relationship,
  # because a belongs_to association cannot have a scope applied on the
  # selector.
  # XXX Without caching, this is going to get CPU intensive quickly, but
  # caching is hard (rails console reload, etc.).
  target_model.association_metadata.values.select do |assoc|
    assoc.is_a?(NoBrainer::Document::Association::BelongsTo::Metadata) and
    assoc.foreign_key == foreign_key                                   and
    assoc.primary_key == primary_key                                   and
    assoc.target_model(target_model).root_class == owner_model.root_class
  end
end