91 lines
2.8 KiB
PHP
91 lines
2.8 KiB
PHP
<?php
|
|
|
|
namespace GuzzleHttp\Promise;
|
|
|
|
final class Each
|
|
{
|
|
/**
|
|
* Given an iterator that yields promises or values, returns a promise that
|
|
* is fulfilled with a null value when the iterator has been consumed or
|
|
* the aggregate promise has been fulfilled or rejected.
|
|
*
|
|
* $onFulfilled is a function that accepts the fulfilled value, iterator
|
|
* index, and the aggregate promise. The callback can invoke any necessary
|
|
* side effects and choose to resolve or reject the aggregate if needed.
|
|
*
|
|
* $onRejected is a function that accepts the rejection reason, iterator
|
|
* index, and the aggregate promise. The callback can invoke any necessary
|
|
* side effects and choose to resolve or reject the aggregate if needed.
|
|
*
|
|
* @param mixed $iterable Iterator or array to iterate over.
|
|
* @param callable $onFulfilled
|
|
* @param callable $onRejected
|
|
*
|
|
* @return PromiseInterface
|
|
*/
|
|
public static function of(
|
|
$iterable,
|
|
callable $onFulfilled = null,
|
|
callable $onRejected = null
|
|
) {
|
|
return (new EachPromise($iterable, [
|
|
'fulfilled' => $onFulfilled,
|
|
'rejected' => $onRejected
|
|
]))->promise();
|
|
}
|
|
|
|
/**
|
|
* Like of, but only allows a certain number of outstanding promises at any
|
|
* given time.
|
|
*
|
|
* $concurrency may be an integer or a function that accepts the number of
|
|
* pending promises and returns a numeric concurrency limit value to allow
|
|
* for dynamic a concurrency size.
|
|
*
|
|
* @param mixed $iterable
|
|
* @param int|callable $concurrency
|
|
* @param callable $onFulfilled
|
|
* @param callable $onRejected
|
|
*
|
|
* @return PromiseInterface
|
|
*/
|
|
public static function ofLimit(
|
|
$iterable,
|
|
$concurrency,
|
|
callable $onFulfilled = null,
|
|
callable $onRejected = null
|
|
) {
|
|
return (new EachPromise($iterable, [
|
|
'fulfilled' => $onFulfilled,
|
|
'rejected' => $onRejected,
|
|
'concurrency' => $concurrency
|
|
]))->promise();
|
|
}
|
|
|
|
/**
|
|
* Like limit, but ensures that no promise in the given $iterable argument
|
|
* is rejected. If any promise is rejected, then the aggregate promise is
|
|
* rejected with the encountered rejection.
|
|
*
|
|
* @param mixed $iterable
|
|
* @param int|callable $concurrency
|
|
* @param callable $onFulfilled
|
|
*
|
|
* @return PromiseInterface
|
|
*/
|
|
public static function ofLimitAll(
|
|
$iterable,
|
|
$concurrency,
|
|
callable $onFulfilled = null
|
|
) {
|
|
return self::ofLimit(
|
|
$iterable,
|
|
$concurrency,
|
|
$onFulfilled,
|
|
function ($reason, $idx, PromiseInterface $aggregate) {
|
|
$aggregate->reject($reason);
|
|
}
|
|
);
|
|
}
|
|
}
|