Contents

# Copyright 2011 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

  # @private
  class ResourceCache

    def initialize
      @cache = {}
    end

    def store(key, attributes)
      (@cache[key] ||= {}).merge!(attributes)
    end

    def cached?(key, attribute)
      attributes = @cache[key] and attributes.has_key?(attribute)
    end

    def get(key, attribute)
      raise "No cached value for attribute :#{attribute} of #{key}" unless
        cached?(key, attribute)
      @cache[key][attribute]
    end

  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
aws-sdk-1.1.3	lib/aws/resource_cache.rb
aws-sdk-1.1.2	lib/aws/resource_cache.rb
aws-sdk-1.1.1	lib/aws/resource_cache.rb
aws-sdk-1.1.0	lib/aws/resource_cache.rb