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Diffstat (limited to '')
-rw-r--r-- | vendor/guzzlehttp/promises/src/Each.php | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/promises/src/Each.php b/vendor/guzzlehttp/promises/src/Each.php new file mode 100644 index 0000000..1dda354 --- /dev/null +++ b/vendor/guzzlehttp/promises/src/Each.php @@ -0,0 +1,90 @@ +<?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 each_limit( + $iterable, + $concurrency, + $onFulfilled, + function ($reason, $idx, PromiseInterface $aggregate) { + $aggregate->reject($reason); + } + ); + } +} |