# Copyright © 2012 The Pennsylvania State University
#
# 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.

# Code borrowed from Obie's Redis patterns talk at RailsConf'12
Nest.class_eval do
  def initialize(key, redis=$redis)
    super(key.to_param)
    @redis = redis
  end

  def [](key)
    self.class.new("#{self}:#{key.to_param}", @redis)
  end
end