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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, 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.
#
require 'chef/mixin/from_file'
require 'chef/mixin/params_validate'
class Chef
class ResourceDefinition
include Chef::Mixin::FromFile
include Chef::Mixin::ParamsValidate
attr_accessor :name, :params, :recipe, :node
def initialize(node=nil)
@name = nil
@params = Hash.new
@recipe = nil
@node = node
end
def define(resource_name, prototype_params=nil, &block)
unless resource_name.kind_of?(Symbol)
raise ArgumentError, "You must use a symbol when defining a new resource!"
end
@name = resource_name
if prototype_params
unless prototype_params.kind_of?(Hash)
raise ArgumentError, "You must pass a hash as the prototype parameters for a definition."
end
@params = prototype_params
end
if Kernel.block_given?
@recipe = block
else
raise ArgumentError, "You must pass a block to a definition."
end
true
end
# When we do the resource definition, we're really just setting new values for
# the parameters we prototyped at the top. This method missing is as simple as
# it gets.
def method_missing(symbol, *args)
@params[symbol] = args.length == 1 ? args[0] : args
end
def to_s
"#{name.to_s}"
end
end
end
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