AggregateException.php
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CancellationException.php
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Coroutine.php
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Create.php
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Each.php
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EachPromise.php
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FulfilledPromise.php
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Is.php
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Promise.php
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PromiseInterface.php
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PromisorInterface.php
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RejectedPromise.php
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RejectionException.php
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TaskQueueInterface.php
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Utils.php
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Each.php
82 lines
| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace GuzzleHttp\Promise; |
| 6 | |
| 7 | final class Each |
| 8 | { |
| 9 | /** |
| 10 | * Given an iterator that yields promises or values, returns a promise that |
| 11 | * is fulfilled with a null value when the iterator has been consumed or |
| 12 | * the aggregate promise has been fulfilled or rejected. |
| 13 | * |
| 14 | * $onFulfilled is a function that accepts the fulfilled value, iterator |
| 15 | * index, and the aggregate promise. The callback can invoke any necessary |
| 16 | * side effects and choose to resolve or reject the aggregate if needed. |
| 17 | * |
| 18 | * $onRejected is a function that accepts the rejection reason, iterator |
| 19 | * index, and the aggregate promise. The callback can invoke any necessary |
| 20 | * side effects and choose to resolve or reject the aggregate if needed. |
| 21 | * |
| 22 | * @param mixed $iterable Iterator or array to iterate over. |
| 23 | */ |
| 24 | public static function of( |
| 25 | $iterable, |
| 26 | ?callable $onFulfilled = null, |
| 27 | ?callable $onRejected = null |
| 28 | ): PromiseInterface { |
| 29 | return (new EachPromise($iterable, [ |
| 30 | 'fulfilled' => $onFulfilled, |
| 31 | 'rejected' => $onRejected, |
| 32 | ]))->promise(); |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Like of, but only allows a certain number of outstanding promises at any |
| 37 | * given time. |
| 38 | * |
| 39 | * $concurrency may be an integer or a function that accepts the number of |
| 40 | * pending promises and returns a numeric concurrency limit value to allow |
| 41 | * for dynamic a concurrency size. |
| 42 | * |
| 43 | * @param mixed $iterable |
| 44 | * @param int|callable $concurrency |
| 45 | */ |
| 46 | public static function ofLimit( |
| 47 | $iterable, |
| 48 | $concurrency, |
| 49 | ?callable $onFulfilled = null, |
| 50 | ?callable $onRejected = null |
| 51 | ): PromiseInterface { |
| 52 | return (new EachPromise($iterable, [ |
| 53 | 'fulfilled' => $onFulfilled, |
| 54 | 'rejected' => $onRejected, |
| 55 | 'concurrency' => $concurrency, |
| 56 | ]))->promise(); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Like limit, but ensures that no promise in the given $iterable argument |
| 61 | * is rejected. If any promise is rejected, then the aggregate promise is |
| 62 | * rejected with the encountered rejection. |
| 63 | * |
| 64 | * @param mixed $iterable |
| 65 | * @param int|callable $concurrency |
| 66 | */ |
| 67 | public static function ofLimitAll( |
| 68 | $iterable, |
| 69 | $concurrency, |
| 70 | ?callable $onFulfilled = null |
| 71 | ): PromiseInterface { |
| 72 | return self::ofLimit( |
| 73 | $iterable, |
| 74 | $concurrency, |
| 75 | $onFulfilled, |
| 76 | function ($reason, $idx, PromiseInterface $aggregate): void { |
| 77 | $aggregate->reject($reason); |
| 78 | } |
| 79 | ); |
| 80 | } |
| 81 | } |
| 82 |