Na}{

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File Content: `FallbackExecutor.php`

<?php

namespace React\Dns\Query;

use React\Promise\Promise;

final class FallbackExecutor implements ExecutorInterface
{
    private $executor;
    private $fallback;

    public function __construct(ExecutorInterface $executor, ExecutorInterface $fallback)
    {
        $this->executor = $executor;
        $this->fallback = $fallback;
    }

    public function query(Query $query)
    {
        $cancelled = false;
        $fallback = $this->fallback;
        $promise = $this->executor->query($query);

        return new Promise(function ($resolve, $reject) use (&$promise, $fallback, $query, &$cancelled) {
            $promise->then($resolve, function (\Exception $e1) use ($fallback, $query, $resolve, $reject, &$cancelled, &$promise) {
                // reject if primary resolution rejected due to cancellation
                if ($cancelled) {
                    $reject($e1);
                    return;
                }

                // start fallback query if primary query rejected
                $promise = $fallback->query($query)->then($resolve, function (\Exception $e2) use ($e1, $reject) {
                    $append = $e2->getMessage();
                    if (($pos = strpos($append, ':')) !== false) {
                        $append = substr($append, $pos + 2);
                    }

                    // reject with combined error message if both queries fail
                    $reject(new \RuntimeException($e1->getMessage() . '. ' . $append));
                });
            });
        }, function () use (&$promise, &$cancelled) {
            // cancel pending query (primary or fallback)
            $cancelled = true;
            $promise->cancel();
        });
    }
}

Name	Size	Permission
CachingExecutor.php	2736 bytes	0644
CancellationException.php	99 bytes	0644
CoopExecutor.php	3432 bytes	0644
ExecutorInterface.php	1461 bytes	0644
FallbackExecutor.php	1719 bytes	0644
HostsFileExecutor.php	3051 bytes	0644
Query.php	2000 bytes	0644
RetryExecutor.php	2829 bytes	0644
SelectiveTransportExecutor.php	3121 bytes	0644
TcpTransportExecutor.php	13962 bytes	0644
TimeoutException.php	87 bytes	0644
TimeoutExecutor.php	2759 bytes	0644
UdpTransportExecutor.php	8544 bytes	0644

Command Bosku:

File Content: FallbackExecutor.php

File Content: `FallbackExecutor.php`