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-rw-r--r--lib/Thread/Task/Role/Task.pm54
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/Thread/Task/Role/Task.pm b/lib/Thread/Task/Role/Task.pm
new file mode 100644
index 0000000..61f9cbe
--- /dev/null
+++ b/lib/Thread/Task/Role/Task.pm
@@ -0,0 +1,54 @@
+use 5.008003;
+use MooseX::Declare;
+
+role Thread::Task::Role::Task {
+ use MooseX::Types::Moose qw(Int);
+ require Scalar::Util;
+
+ my $SEQUENCE = 0;
+ my %INDEX = 0;
+
+ has task_revision => (
+ isa => Int,
+ is => 'ro',
+ lazy_build => 1,
+ predicate => '_has_taskrev',
+ writer => '_set_taskrev',
+ );
+
+ method _build_task_revision() {
+ my $rev = ++$SEQUENCE;
+ $INDEX{$rev} = $self;
+ Scalar::Util::weaken($INDEX{$rev});
+
+ return $rev;
+ }
+
+ method task_reset() {
+ if ($self->_has_taskrev) {
+ delete $INDEX{$self->task_revision};
+ }
+ $self->_set_taskrev(++$SEQUENCE);
+ return;
+ }
+
+ method task_owner($invocant: Int $task_rev) {
+ return $INDEX{$task_rev};
+ }
+
+ method task_request(:$task, %params) {
+ Class::MOP::load_class($task);
+ $task->isa('Thread::Task')
+ or die "Bad class $task, not a Thread::Task";
+ $class->new(owner=>$self,%params)->schedule;
+ }
+
+ method task_response(Task_T $task) {
+ my $class = $self->meta->name;
+ my $task_class = $task->meta->name;
+
+ die "Unhandled task_response for $class (recieved $task_class)";
+ }
+}
+
+1;