class ActionDispatch::Session::CacheStore
Session store that uses an ActiveSupport::Cache::Store to store the sessions. This store is most useful if you don't store critical data in your sessions and you don't need them to live for extended periods of time.
Public Class Methods
new(app, options = {})
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Create a new store. The cache to use can be passed in the
:cache
option. If it is not specified,
Rails.cache
will be used.
Calls superclass method
ActionDispatch::Session::Compatibility.new
# File lib/action_dispatch/middleware/session/cache_store.rb, line 11 def initialize(app, options = {}) @cache = options[:cache] || Rails.cache options[:expire_after] ||= @cache.options[:expires_in] super end
Public Instance Methods
destroy_session(env, sid, options)
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Remove a session from the cache.
# File lib/action_dispatch/middleware/session/cache_store.rb, line 37 def destroy_session(env, sid, options) @cache.delete(cache_key(sid)) generate_sid end
get_session(env, sid)
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Get a session from the cache.
# File lib/action_dispatch/middleware/session/cache_store.rb, line 18 def get_session(env, sid) unless sid and session = @cache.read(cache_key(sid)) sid, session = generate_sid, {} end [sid, session] end
set_session(env, sid, session, options)
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Set a session in the cache.
# File lib/action_dispatch/middleware/session/cache_store.rb, line 26 def set_session(env, sid, session, options) key = cache_key(sid) if session @cache.write(key, session, :expires_in => options[:expire_after]) else @cache.delete(key) end sid end
Private Instance Methods
cache_key(sid)
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Turn the session id into a cache key.
# File lib/action_dispatch/middleware/session/cache_store.rb, line 44 def cache_key(sid) "_session_id:#{sid}" end