/**
* @param int $time Milliseconds before succeeding the promise.
* @param mixed $value Succeed the promise with this value.
*/
public function __construct(int $time, $value = null)
{
Loop::delay($time, function () use($value) {
$this->resolve($value);
});
}
/**
* Create an artificial timeout for any Promise.
*
* If the timeout expires before the promise is resolved, the returned promise fails with an instance of
* \Amp\TimeoutException.
*
* @param \Interop\Async\Promise $promise
* @param int $timeout Timeout in milliseconds.
*
* @return \Interop\Async\Promise
*/
function timeout(Promise $promise, int $timeout) : Promise
{
$deferred = new Deferred();
$resolved = false;
$watcher = Loop::delay($timeout, function () use(&$resolved, $deferred) {
if (!$resolved) {
$resolved = true;
$deferred->fail(new TimeoutException());
}
});
$promise->when(function () use(&$resolved, $promise, $deferred, $watcher) {
Loop::cancel($watcher);
if ($resolved) {
return;
}
$resolved = true;
$deferred->resolve($promise);
});
return $deferred->promise();
}