Current File : /home2/selectio/www/fms-worksuite/vendor/amphp/amp/lib/Emitter.php
<?php
namespace Amp;
/**
* Emitter is a container for an iterator that can emit values using the emit() method and completed using the
* complete() and fail() methods of this object. The contained iterator may be accessed using the iterate()
* method. This object should not be part of a public API, but used internally to create and emit values to an
* iterator.
*
* @template TValue
*/
final class Emitter
{
/** @var Iterator<TValue> Has public emit, complete, and fail methods. */
private $emitter;
/** @var Iterator<TValue> Hides producer methods. */
private $iterator;
public function __construct()
{
$this->emitter = new class implements Iterator {
use Internal\Producer {
emit as public;
complete as public;
fail as public;
}
};
$this->iterator = new Internal\PrivateIterator($this->emitter);
}
/**
* @return Iterator
* @psalm-return Iterator<TValue>
*/
public function iterate(): Iterator
{
return $this->iterator;
}
/**
* Emits a value to the iterator.
*
* @param mixed $value
*
* @psalm-param TValue $value
*
* @return Promise
* @psalm-return Promise<null>
* @psalm-suppress MixedInferredReturnType
* @psalm-suppress MixedReturnStatement
*/
public function emit($value): Promise
{
/** @psalm-suppress UndefinedInterfaceMethod */
return $this->emitter->emit($value);
}
/**
* Completes the iterator.
*
* @return void
*/
public function complete()
{
/** @psalm-suppress UndefinedInterfaceMethod */
$this->emitter->complete();
}
/**
* Fails the iterator with the given reason.
*
* @param \Throwable $reason
*
* @return void
*/
public function fail(\Throwable $reason)
{
/** @psalm-suppress UndefinedInterfaceMethod */
$this->emitter->fail($reason);
}
}
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