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Mojo::IOLoop::Trigger(User Contributed Perl DocumentatMojo::IOLoop::Trigger(3)

NAME
       Mojo::IOLoop::Trigger - IOLoop Trigger

SYNOPSIS
	 use Mojo::IOLoop::Trigger;

	 # Synchronize multiple events
	 my $t = Mojo::IOLoop::Trigger->new;
	 $t->on(done => sub { print "BOOM!\n" });
	 for my $i (1 .. 10) {
	   $t->begin;
	   Mojo::IOLoop->timer($i => sub {
	     print 10 - $i, "\n";
	     $t->end;
	   });
	 }

	 # Stop automatically when done
	 $t->start;

DESCRIPTION
       Mojo::IOLoop::Trigger is a remote control for Mojo::IOLoop.  Note that
       this module is EXPERIMENTAL and might change without warning!

EVENTS
       Mojo::IOLoop::Trigger can emit the following events.

   "done"
       Emitted once the active event counter reaches zero.

ATTRIBUTES
       Mojo::IOLoop::Trigger implements the following attributes.

   "ioloop"
	 my $ioloop = $t->ioloop;
	 $t	    = $t->ioloop(Mojo::IOLoop->new);

       Loop object to control, defaults to a Mojo::IOLoop object.

METHODS
       Mojo::IOLoop::Trigger inherits all methods from
       Mojo::IOLoop::EventEmitter and implements the following new ones.

   "begin"
	 my $cb = $t->begin;

       Increment active event counter, the returned callback can be used
       instead of "end".

	 my $t = Mojo::IOLoop->trigger;
	 Mojo::IOLoop->resolver->lookup('mojolicio.us' => $t->begin);
	 my $address = $t->start;

   "end"
	 $t->end;
	 $t->end(@args);

       Decrement active event counter.

   "start"
	 my @args = $t->start;

       Start "ioloop" and register "done" event that stops it again once the
       active event counter reaches zero.

SEE ALSO
       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.1			  2011-09-13	      Mojo::IOLoop::Trigger(3)

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