AggregateException.php
3 years ago
CancellationException.php
3 years ago
Coroutine.php
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Create.php
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Each.php
3 years ago
EachPromise.php
3 years ago
FulfilledPromise.php
3 years ago
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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TaskQueue.php
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TaskQueueInterface.php
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Utils.php
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functions.php
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functions_include.php
3 years ago
Each.php
91 lines
| 1 | <?php |
| 2 | |
| 3 | namespace GuzzleHttp\Promise; |
| 4 | |
| 5 | final class Each |
| 6 | { |
| 7 | /** |
| 8 | * Given an iterator that yields promises or values, returns a promise that |
| 9 | * is fulfilled with a null value when the iterator has been consumed or |
| 10 | * the aggregate promise has been fulfilled or rejected. |
| 11 | * |
| 12 | * $onFulfilled is a function that accepts the fulfilled value, iterator |
| 13 | * index, and the aggregate promise. The callback can invoke any necessary |
| 14 | * side effects and choose to resolve or reject the aggregate if needed. |
| 15 | * |
| 16 | * $onRejected is a function that accepts the rejection reason, iterator |
| 17 | * index, and the aggregate promise. The callback can invoke any necessary |
| 18 | * side effects and choose to resolve or reject the aggregate if needed. |
| 19 | * |
| 20 | * @param mixed $iterable Iterator or array to iterate over. |
| 21 | * @param callable $onFulfilled |
| 22 | * @param callable $onRejected |
| 23 | * |
| 24 | * @return PromiseInterface |
| 25 | */ |
| 26 | public static function of( |
| 27 | $iterable, |
| 28 | callable $onFulfilled = null, |
| 29 | callable $onRejected = null |
| 30 | ) { |
| 31 | return (new EachPromise($iterable, [ |
| 32 | 'fulfilled' => $onFulfilled, |
| 33 | 'rejected' => $onRejected |
| 34 | ]))->promise(); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Like of, but only allows a certain number of outstanding promises at any |
| 39 | * given time. |
| 40 | * |
| 41 | * $concurrency may be an integer or a function that accepts the number of |
| 42 | * pending promises and returns a numeric concurrency limit value to allow |
| 43 | * for dynamic a concurrency size. |
| 44 | * |
| 45 | * @param mixed $iterable |
| 46 | * @param int|callable $concurrency |
| 47 | * @param callable $onFulfilled |
| 48 | * @param callable $onRejected |
| 49 | * |
| 50 | * @return PromiseInterface |
| 51 | */ |
| 52 | public static function ofLimit( |
| 53 | $iterable, |
| 54 | $concurrency, |
| 55 | callable $onFulfilled = null, |
| 56 | callable $onRejected = null |
| 57 | ) { |
| 58 | return (new EachPromise($iterable, [ |
| 59 | 'fulfilled' => $onFulfilled, |
| 60 | 'rejected' => $onRejected, |
| 61 | 'concurrency' => $concurrency |
| 62 | ]))->promise(); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Like limit, but ensures that no promise in the given $iterable argument |
| 67 | * is rejected. If any promise is rejected, then the aggregate promise is |
| 68 | * rejected with the encountered rejection. |
| 69 | * |
| 70 | * @param mixed $iterable |
| 71 | * @param int|callable $concurrency |
| 72 | * @param callable $onFulfilled |
| 73 | * |
| 74 | * @return PromiseInterface |
| 75 | */ |
| 76 | public static function ofLimitAll( |
| 77 | $iterable, |
| 78 | $concurrency, |
| 79 | callable $onFulfilled = null |
| 80 | ) { |
| 81 | return each_limit( |
| 82 | $iterable, |
| 83 | $concurrency, |
| 84 | $onFulfilled, |
| 85 | function ($reason, $idx, PromiseInterface $aggregate) { |
| 86 | $aggregate->reject($reason); |
| 87 | } |
| 88 | ); |
| 89 | } |
| 90 | } |
| 91 |