# frozen_string_literal: true

#--

# Copyright (c) 2017-2018 Splitwise Inc.

#

# Permission is hereby granted, free of charge, to any person obtaining

# a copy of this software and associated documentation files (the

# "Software"), to deal in the Software without restriction, including

# without limitation the rights to use, copy, modify, merge, publish,

# distribute, sublicense, and/or sell copies of the Software, and to

# permit persons to whom the Software is furnished to do so, subject to

# the following conditions:

#

# The above copyright notice and this permission notice shall be

# included in all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE

# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION

# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION

# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#++

require 'cacheable/cache_adapter'

require 'cacheable/cache_adapters'

require 'cacheable/method_generator'

require 'cacheable/version'

module Cacheable

extend CacheAdapter

# Sentinel value to distinguish "not yet memoized" from a memoized nil/false.

MEMOIZE_NOT_SET = Object.new.freeze

def self.included(base)

base.extend(Cacheable::CacheAdapter)

base.extend(Cacheable::MethodGenerator)

interceptor_name = base.send(:method_interceptor_module_name)

interceptor = Module.new

interceptor.define_singleton_method(:to_s) { interceptor_name }

interceptor.define_singleton_method(:inspect) { interceptor_name }

base.instance_variable_set(:@_cacheable_interceptor, interceptor)

base.prepend interceptor

end

end