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#--
# Copyright:: Copyright 2016, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
class Chef
class Node
module Mixin
module StateTracking
attr_reader :__path__
attr_reader :__root__
NULL = Object.new
def initialize(data = NULL, root = self)
# __path__ and __root__ must be nil when we call super so it knows
# to avoid resetting the cache on construction
data == NULL ? super() : super(data)
@__path__ = []
@__root__ = root
end
def [](key)
ret = super
if ret.is_a?(StateTracking)
ret.__path__ = __path__ + [ convert_key(key) ]
ret.__root__ = __root__
end
ret
end
def []=(key, value)
ret = super
if ret.is_a?(StateTracking)
ret.__path__ = __path__ + [ convert_key(key) ]
ret.__root__ = __root__
end
ret
end
protected
def __path__=(path)
@__path__ = path
end
def __root__=(root)
@__root__ = root
end
private
def send_reset_cache(path = __path__)
__root__.reset_cache(path.first) if !__root__.nil? && __root__.respond_to?(:reset_cache) && !path.nil?
end
end
end
end
end
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