Contents

#--
# Copyright (c) 2010-2011 Michael Berkovich
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++

module Tr8n
  class Cache
    def self.cache
      @cache ||= begin
        if Tr8n::Config.cache_adapter == 'ActiveSupport::Cache'
          store_params = [Tr8n::Config.cache_store].flatten
          store_params[0] = store_params[0].to_sym
          ActiveSupport::Cache.lookup_store(*store_params)
        else
          eval(Tr8n::Config.cache_adapter)  
        end
      end
    end
  
    def self.enabled?
      Tr8n::Config.enable_caching?
    end
  
    def self.versioned_key(key)
      "#{Tr8n::Config.cache_version}_#{key}"
    end
  
    def self.fetch(key, options = {})
      return yield unless enabled?
      cache.fetch(versioned_key(key), options) do 
        yield
      end
    end

    def self.delete(key, options = nil)
      return unless enabled?
      cache.delete(versioned_key(key), options)
    end
  
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
tr8n-3.1.5	lib/tr8n/cache.rb
tr8n-3.1.4	lib/tr8n/cache.rb
tr8n-3.1.3	lib/tr8n/cache.rb
tr8n-3.1.2	lib/tr8n/cache.rb
tr8n-3.1.1	lib/tr8n/cache.rb