Catalyst::Plugin::Session::State - Base class for session state preservation plugins.

    package Catalyst::Plugin::Session::State::MyBackend;
    use base qw/Catalyst::Plugin::Session::State/;

This class doesn't actually provide any functionality, but when the Catalyst::Plugin::Session module sets up it will check to see that YourApp->isa("Catalyst::Plugin::Session::State").

When you write a session state plugin you should subclass this module this reason only.

To write a session state plugin you usually need to extend two methods:

prepare_(action|cookies|whatever)

Set sessionid (accessor) at prepare time using data in the request.

Note that this must happen before other prepare_action instances, in order to get along with Catalyst::Plugin::Session. Overriding prepare_cookies is probably the stablest approach.

finalize

Modify the response at to include the session ID if sessionid is defined, using whatever scheme you use. For example, set a cookie,