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={})
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# File lib/rack/cache/meta_store.rb, line 368 def initialize(server="localhost:11211", options={}) options[:prefix_key] ||= options.delete(:namespace) if options.key?(:namespace) @cache = if server.respond_to?(:stats) server else require 'memcached' Memcached.new(server, options) end end
Public Instance Methods
purge(key)
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# File lib/rack/cache/meta_store.rb, line 392 def purge(key) key = hexdigest(key) cache.delete(key) nil rescue Memcached::NotFound nil end
read(key)
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# File lib/rack/cache/meta_store.rb, line 379 def read(key) key = hexdigest(key) cache.get(key) rescue Memcached::NotFound [] end
write(key, entries, ttl = 0)
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Default TTL to zero, interpreted as “don't expire” by Memcached.
# File lib/rack/cache/meta_store.rb, line 387 def write(key, entries, ttl = 0) key = hexdigest(key) cache.set(key, entries, ttl) end