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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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.
module AWS
class SimpleDB
# @api private
module DeleteAttributes
include ExpectConditionOption
# @api private
protected
def delete_named_attributes *attribute_names
expect_opts = attribute_names.pop if attribute_names.last.kind_of?(Hash)
attributes = attribute_names.flatten.collect{|n| { :name => n.to_s } }
opts = {
:domain_name => item.domain.name,
:item_name => item.name,
:attributes => attributes,
:expected => expect_condition_opts(expect_opts || {})
}
opts.delete(:expected) if opts[:expected].empty?
client.delete_attributes(opts) unless attributes.empty?
end
# @api private
protected
def delete_attribute_values(attributes)
opts = {
:domain_name => item.domain.name,
:item_name => item.name,
:attributes => [],
:expected => expect_condition_opts(attributes)
}
attributes.each do |name, values|
if name != :"if" && name != :"unless"
[values].flatten.each do |value|
attribute_value = { :name => name.to_s }
attribute_value[:value] = value unless value == :all
opts[:attributes] << attribute_value
end
end
end
opts.delete(:expected) if opts[:expected].empty?
client.delete_attributes(opts)
end
end
end
end
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