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-rw-r--r--vendor/guzzlehttp/promises/src/Each.php90
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/promises/src/Each.php b/vendor/guzzlehttp/promises/src/Each.php
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+<?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);
+ }
+ );
+ }
+}