Commit | Line | Data |
dc28afe8 |
1 | package Object::Remote::Future; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | use base qw(Exporter); |
6 | |
7 | use CPS::Future; |
8 | |
3f1f1e66 |
9 | our @EXPORT = qw(future await_future await_all); |
dc28afe8 |
10 | |
11 | sub future (&) { |
12 | my $f = $_[0]->(CPS::Future->new); |
13 | return $f if ((caller(1)||'') eq 'start'); |
14 | await_future($f); |
15 | } |
16 | |
17 | sub await_future { |
18 | my $f = shift; |
19 | return $f if $f->is_ready; |
20 | require Object::Remote; |
21 | my $loop = Object::Remote->current_loop; |
22 | $f->on_ready(sub { $loop->stop }); |
23 | $loop->run; |
24 | return wantarray ? $f->get : ($f->get)[0]; |
25 | } |
26 | |
3f1f1e66 |
27 | sub await_all { |
28 | await_future(CPS::Future->needs_all(@_)); |
29 | map $_->get, @_; |
30 | } |
31 | |
dc28afe8 |
32 | package start; |
33 | |
34 | sub AUTOLOAD { |
35 | my $invocant = shift; |
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36 | my ($method) = our $AUTOLOAD =~ /^start::(.+)$/; |
dc28afe8 |
37 | if (ref($invocant) eq 'ARRAY') { |
38 | return [ map $_->${\"start::${method}"}, @$invocant ]; |
39 | } |
40 | my $res; |
41 | unless (eval { $res = $invocant->$method(@_); 1 }) { |
42 | my $f = CPS::Future->new; |
43 | $f->fail($@); |
44 | return $f; |
45 | } |
46 | unless (Scalar::Util::blessed($res) and $res->isa('CPS::Future')) { |
47 | my $f = CPS::Future->new; |
48 | $f->done($res); |
49 | return $f; |
50 | } |
51 | return $res; |
52 | } |
53 | |
dc28afe8 |
54 | 1; |