Sha256: 2f26d58bc5c1323d250ece85606401540339bed0ba12a586c98dca963920b361
Contents?: true
Size: 858 Bytes
Versions: 10
Compression:
Stored size: 858 Bytes
Contents
module Scrivito
class Cache
attr_reader :cache_prefix, :fallback_backend
def initialize(options = {})
@fallback_backend, @cache_prefix = options[:fallback_backend], options[:cache_prefix]
@cache = {}
end
def read(key)
value = @cache[key]
if !value && @fallback_backend
value = @fallback_backend.read(cache_key_for_fallback_backend(key))
@cache[key] = value
end
value
end
def write(key, value, options={})
@fallback_backend.write(cache_key_for_fallback_backend(key), value, options) if @fallback_backend
@cache[key] = value
end
def fetch(key, &block)
read(key) || block.call.tap { |value| write(key, value) }
end
def clear
@cache = {}
end
private
def cache_key_for_fallback_backend(key)
@cache_prefix ? "#{@cache_prefix}/#{key}" : key
end
end
end # module Scrivito
Version data entries
10 entries across 10 versions & 1 rubygems