class ActiveFedora::Associations::Builder::SingularAssociation

def self.define_accessors(model, reflection)
  super
  define_constructors(model.generated_association_methods, reflection.name) if reflection.constructable?
end

def self.define_constructors(mixin, name)
  mixin.redefine_method("build_#{name}") do |*params|
    association(name).build(*params)
  end
  mixin.redefine_method("create_#{name}") do |*params|
    association(name).create(*params)
  end
  mixin.redefine_method("create_#{name}!") do |*params|
    association(name).create!(*params)
  end
end

def self.valid_options(options)
  super + [:dependent, :inverse_of, :required]
end