class Rack::Cache::MetaStore::MemCached
Attributes
cache[R]
The Memcached instance used to communicated with the memcached daemon.
Public Class Methods
new(server="localhost:11211", options={})
click to toggle source
# File lib/rack/cache/meta_store.rb 369 def initialize(server="localhost:11211", options={}) 370 options[:prefix_key] ||= options.delete(:namespace) if options.key?(:namespace) 371 @cache = 372 if server.respond_to?(:stats) 373 server 374 else 375 require 'memcached' 376 Memcached.new(server, options) 377 end 378 end
Public Instance Methods
purge(key)
click to toggle source
# File lib/rack/cache/meta_store.rb 393 def purge(key) 394 key = hexdigest(key) 395 cache.delete(key) 396 nil 397 rescue Memcached::NotFound 398 nil 399 end
read(key)
click to toggle source
# File lib/rack/cache/meta_store.rb 380 def read(key) 381 key = hexdigest(key) 382 cache.get(key) 383 rescue Memcached::NotFound 384 [] 385 end
write(key, entries, ttl = 0)
click to toggle source
Default TTL to zero, interpreted as “don’t expire” by Memcached.
# File lib/rack/cache/meta_store.rb 388 def write(key, entries, ttl = 0) 389 key = hexdigest(key) 390 cache.set(key, entries, ttl) 391 end