Sha256: ebf22b3ff0f24d72bebb00f15f0da6a7728be30d1d1a4d140018ded320e13921
Contents?: true
Size: 1.26 KB
Versions: 6
Compression:
Stored size: 1.26 KB
Contents
# encoding: utf-8
module Attestor
module Policy
# Composes a policy with an argument of its {#not} method
#
# @api private
class Negator
# @!scope class
# @!method new(policy, composer)
# Creates the negator object, expecting {#not} method call
#
# @param [Policy::Base] policy
# the policy to be composed with negations of other policies
# @param [Class] composer
# the composer for policies
#
# @return [Policy::Base::Negator]
def initialize(composer, policy)
@policy = policy
@composer = composer
freeze
end
# Returns a composition of the {#policy} with negations of other policies
#
# @param [Policy::Base, Array<Policy::Base>] policies
#
# @return [Policy::Base]
def not(*policies)
composer.new policy, policies.flat_map(&Not.method(:new))
end
# @!attribute [r] policy
# The the policy to be composed with negations of other policies
#
# @return [Policy::Base]
attr_reader :policy
# @!attribute [r] composer
# The the composer for policies
#
# @return [Class]
attr_reader :composer
end # class Negator
end # module Policy
end # module Attestor
Version data entries
6 entries across 6 versions & 1 rubygems