X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FObject%2FRemote%2FFuture.pm;h=83aad963a4f4eab9b24cc5273c86170a213ffd14;hb=668343cde7e6339cca56c66a41defdd28327f224;hp=7afac689fae39c9a46f51949ea231b5488cb587c;hpb=4a9fa1a5a329754549f998536e0e68f19d42d7ab;p=scpubgit%2FObject-Remote.git diff --git a/lib/Object/Remote/Future.pm b/lib/Object/Remote/Future.pm index 7afac68..83aad96 100644 --- a/lib/Object/Remote/Future.pm +++ b/lib/Object/Remote/Future.pm @@ -4,14 +4,16 @@ use strict; use warnings; use base qw(Exporter); -use Object::Remote::Logging qw( :log ); +use Object::Remote::Logging qw( :log router ); -use CPS::Future; +BEGIN { router()->exclude_forwarding } + +use Future; our @EXPORT = qw(future await_future await_all); sub future (&;$) { - my $f = $_[0]->(CPS::Future->new); + my $f = $_[0]->(Future->new); return $f if ((caller(1+($_[1]||0))||'') eq 'start'); await_future($f); } @@ -20,24 +22,33 @@ our @await; sub await_future { my $f = shift; + log_trace { my $ir = $f->is_ready; "await_future() invoked; is_ready: $ir" }; return $f if $f->is_ready; require Object::Remote; my $loop = Object::Remote->current_loop; { local @await = (@await, $f); $f->on_ready(sub { - $loop->stop if $f == $await[-1] + log_trace { my $l = @await; "future has become ready, length of \@await: '$l'" }; + if ($f == $await[-1]) { + log_trace { "This future is not waiting on anything so calling stop on the run loop" }; + $loop->stop; + } }); + log_trace { "Starting run loop for newly created future" }; $loop->run; } if (@await and $await[-1]->is_ready) { + log_trace { "Last future in await list was ready, stopping run loop" }; $loop->stop; } + log_trace { "await_future() returning" }; return wantarray ? $f->get : ($f->get)[0]; } sub await_all { - await_future(CPS::Future->wait_all(@_)); + log_trace { my $l = @_; "await_all() invoked with '$l' futures to wait on" }; + await_future(Future->wait_all(@_)); map $_->get, @_; } @@ -50,12 +61,12 @@ sub AUTOLOAD { my ($method) = our $AUTOLOAD =~ /^start::(.+)$/; my $res; unless (eval { $res = $invocant->$method(@_); 1 }) { - my $f = CPS::Future->new; + my $f = Future->new; $f->fail($@); return $f; } - unless (Scalar::Util::blessed($res) and $res->isa('CPS::Future')) { - my $f = CPS::Future->new; + unless (Scalar::Util::blessed($res) and $res->isa('Future')) { + my $f = Future->new; $f->done($res); return $f; } @@ -88,17 +99,10 @@ sub AUTOLOAD { my $invocant = shift; my ($method) = our $AUTOLOAD =~ /^then::(.+)$/; my @args = @_; - # Need two copies since if we're called on an already complete future - # $f will be freed immediately - my $ret = my $f = CPS::Future->new; - $invocant->on_fail(sub { $f->fail(@_); undef($f); }); - $invocant->on_done(sub { - my ($obj) = @_; - my $next = $obj->${\"start::${method}"}(@args); - $next->on_done(sub { $f->done(@_); undef($f); }); - $next->on_fail(sub { $f->fail(@_); undef($f); }); + return $invocant->and_then(sub { + my ($obj) = $_[0]->get; + return $obj->${\"start::${method}"}(@args); }); - return $ret; } 1;