class ActiveFedora::Associations::CollectionProxy

def count(options = {})

# ]
# #
# #,
# #,
# => [
person.pets
person.pets.count # => 3

end
has_many :pets
class Person < ActiveFedora::Base

Count all records using Solr. 
def count(options = {})
  @association.count(options)
end