NAME
Mojo::Stateful - Stateful Base Class
SYNOPSIS
use base 'Mojo::Stateful';DESCRIPTION
Mojo::Stateful is an abstract base class for state keeping objects.
ATTRIBUTES
Mojo::Stateful implements the following attributes.
state_cb
my $cb = $stateful->state_cb;
$stateful = $stateful->state_cb(sub {...});Callback that will be invoked whenever the state of this object changes.
METHODS
Mojo::Stateful inherits all methods from Mojo::Base and implements the following new ones.
done
$stateful = $stateful->done;Shortcut for setting the current state to done.
error
my $error = $stateful->error;
$stateful = $stateful->error('Parser error: test 123');Shortcut for setting the current state to error, also accepts an optional error message.
has_error
my $has_error = $stateful->has_error;Check if an error occured.
is_done
my $done = $stateful->is_done;Check if the state machine is done.
is_finished
my $finished = $stateful->is_finished;Check if the state machine is finished, this includes the states done, done_with_leftovers and error.
is_state
my $is_state = $stateful->is_state('writing');
my $is_state = $stateful->is_state(qw/error reading writing/);Check if the state machine is currently in a specific state.
state
my $state = $stateful->state;
$stateful = $stateful->state('writing');The current state.