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#--
# Copyright:: Copyright 2017, 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
module Mixin
module VersionedAPI
def self.included(base)
# When this file is mixed in, make sure we also add the class methods
base.send :extend, ClassMethods
end
module ClassMethods
def versioned_interfaces
@versioned_interfaces ||= []
end
def add_api_version(klass)
versioned_interfaces << klass
end
end
def select_api_version
self.class.versioned_interfaces.select do |klass|
version = klass.send(:supported_api_version)
# min and max versions will be nil if we've not made a request to the server yet,
# in which case we'll just start with the highest version and see what happens
ServerAPIVersions.instance.min_server_version.nil? || (version >= ServerAPIVersions.instance.min_server_version && version <= ServerAPIVersions.instance.max_server_version)
end
.sort { |a, b| a.send(:supported_api_version) <=> b.send(:supported_api_version) }
.last
end
end
end
end
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