- get
Returns the value of the key or null.
- getAuthenticityToken
- init
Has to be called initially. => maybe in the future as assisted inject.
- isEmpty
Returns true if the session is empty, e.g. does not contain anything else than
the timestamp key.
- put
Puts key / value into the session. PLEASE NOTICE: If value == null the key will
be removed!
- save
To finally send this session to the user this method has to be called. It
basically serializes the s