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POE-Component-Schedule-0.91_01
River stage one • 3 direct dependents • 5 total dependents
++
/ POE::Component::Schedule

NAME

POE::Component::Schedule - Schedule POE events using DateTime::Set iterators

SYNOPSIS

    use POE qw(Component::Schedule);
    use DateTime::Set;

    POE::Session->create(
        inline_states => {
            _start => sub {
                $_[HEAP]{sched} = POE::Component::Schedule->add(
                    $_[SESSION], Tick => DateTime::Set->from_recurrence(
                        after      => DateTime->now,
                        before     => DateTime->now->add(seconds => 3),
                        recurrence => sub {
                            return $_[0]->truncate( to => 'second' )->add( seconds => 1 )
                        },
                    ),
                );
            },
            Tick => sub {
                print 'tick ', scalar localtime, "\n";
            },
            remove_sched => sub {
                # Three ways to remove a schedule
                # The first one is only for API compatibility with POE::Component::Cron
                $_[HEAP]{sched}->delete;
                $_[HEAP]{sched} = undef;
                delete $_[HEAP]{sched};
            },
            _stop => sub {
                print "_stop\n";
            },
        },
    );

    POE::Kernel->run();

DESCRIPTION

This component encapsulates a session that sends events to client sessions on a schedule as defined by a DateTime::Set iterator.

POE::Component::Schedule METHODS

spawn(Alias => name)

No need to call this in normal use, add() and new() all crank one of these up if it is needed. Start up a PoCo::Schedule. Returns a handle that can then be added to.

add()

    my $sched = POE::Component::Schedule->add(
        $session_object,
        $event_name,
        $DateTime_Set_iterator,
        @event_args
    );

Add a set of events to the schedule. The $session_object and $event_name are passed to POE without even checking to see if they are valid and so have the same warnings as ->post() itself. $session_object must be a real POE::Session, not a session ID. Else session reference count will not be increased and the session may end before receiving all events.

Returns a schedule handle. The event is removed from when the handle is not referenced anymore.

new

new is an alias for add

SCHEDULE HANDLE METHODS

delete

Removes a schedule using the handle returned from ->add or ->new.

DEPRECATED: Schedules are now automatically deleted when they are not referenced anymore. So just setting the container variable to undef will delete the schedule.

SEE ALSO

POE, DateTime::Set, POE::Component::Cron.

BUGS

You can look for information at:

ACKNOWLEDGMENT

This module is a friendly fork of POE::Component::Cron to extract the generic parts and isolate the Cron specific code in order to reduce dependencies on other CPAN modules.

The orignal author of POE::Component::Cron is Chris Fedde.

See https://rt.cpan.org/Ticket/Display.html?id=44442

AUTHORS

Olivier Mengué, dolmen@cpan.org
Chris Fedde, cfedde@cpan.org

COPYRIGHT AND LICENSE

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.3 or, at your option, any later version of Perl 5 you may have available.