NAME
ZMQ::Raw::Loop::Promise - Promise class
VERSION
version 0.39
DESCRIPTION
A ZMQ::Raw::Loop::Promise represents a promise
WARNING: The API of this module is unstable and may change without warning (any change will be appropriately documented in the changelog).
SYNOPSIS
use ZMQ::Raw;
my $context = ZMQ::Raw::Context->new;
my $loop = ZMQ::Raw::Loop->new ($context);
my $promise = ZMQ::Raw::Loop::Promise->new ($loop);
$promise->then (sub
{
my $promise = shift;
print "Promise kept/broken: ", $promise->result, "\n";
}
);
my $timer = ZMQ::Raw::Loop::Timer->new (
timer => ZMQ::Raw::Timer->new ($context, after => 100),
on_timeout => sub
{
$promise->keep ('done');
}
);
$loop->add ($timer);
$loop->run();METHODS
new( $loop )
Create a new promise.
status( )
Get the status of the promise. One of PLANNED, KEPT or BROKEN.
await( )
Wait for the promise to be kept or broken.
result( )
Wait for the promise to be kept or broken, if its kept the result will be returned, otherwise throws the cause.
cause( )
Get the reason why the promise was broken. This method will croak if the promise is still planned or has been kept.
break( $result )
Break the promise, setting the cause to $result.
keep( $result )
Keep the promise, setting its result to $result.
then( \&callback )
Schedule \&callback to be fired when the promise is either kept or broken. Returns a new ZMQ::Raw::Loop::Promise.
CONSTANTS
PLANNED
The promise is still planned.
KEPT
The promise has been kept.
BROKEN
The promise was broken.
AUTHOR
Jacques Germishuys <jacquesg@striata.com>
LICENSE AND COPYRIGHT
Copyright 2017 Jacques Germishuys.
This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.