Sha256: 50e025e31999d214bb9be40878d2b414a66d3447ec6cf860e02bd109ba2ae76e
Contents?: true
Size: 776 Bytes
Versions: 8
Compression:
Stored size: 776 Bytes
Contents
#:enddoc:
module RailsConnector
class Cache
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)
@fallback_backend.write(cache_key_for_fallback_backend(key), value) if @fallback_backend
@cache[key] = value
end
def fetch(key, &block)
read(key) || block.call.tap { |value| write(key, value) }
end
private
def cache_key_for_fallback_backend(key)
@cache_prefix ? "#{@cache_prefix}/#{key}" : key
end
end
end # module RailsConnector
Version data entries
8 entries across 8 versions & 1 rubygems