File manager

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height:90%'>&lt;?php

namespace Illuminate\Queue;

use Illuminate\Contracts\Events\Dispatcher as EventDispatcher;
use Illuminate\Contracts\Queue\Queue as QueueContract;
use Illuminate\Queue\Events\QueueFailedOver;
use RuntimeException;
use Throwable;

class FailoverQueue extends Queue implements QueueContract
{
    /**
     * The queues which failed on the last action.
     *
     * @var list&lt;string&gt;
     */
    protected array $failingQueues = [];

    /**
     * Create a new failover queue instance.
     */
    public function __construct(
        public QueueManager $manager,
        public EventDispatcher $events,
        public array $connections
    ) {
    }

    /**
     * Get the size of the queue.
     *
     * @param  string|null  $queue
     * @return int
     */
    public function size($queue = null)
    {
        return $this-&gt;manager-&gt;connection($this-&gt;connections[0])-&gt;size($queue);
    }

    /**
     * Get the number of pending jobs.
     *
     * @param  string|null  $queue
     * @return int
     */
    public function pendingSize($queue = null)
    {
        return $this-&gt;manager-&gt;connection($this-&gt;connections[0])-&gt;pendingSize($queue);
    }

    /**
     * Get the number of delayed jobs.
     *
     * @param  string|null  $queue
     * @return int
     */
    public function delayedSize($queue = null)
    {
        return $this-&gt;manager-&gt;connection($this-&gt;connections[0])-&gt;delayedSize($queue);
    }

    /**
     * Get the number of reserved jobs.
     *
     * @param  string|null  $queue
     * @return int
     */
    public function reservedSize($queue = null)
    {
        return $this-&gt;manager-&gt;connection($this-&gt;connections[0])-&gt;reservedSize($queue);
    }

    /**
     * Get the creation timestamp of the oldest pending job, excluding delayed jobs.
     *
     * @param  string|null  $queue
     * @return int|null
     */
    public function creationTimeOfOldestPendingJob($queue = null)
    {
        return $this-&gt;manager
            -&gt;connection($this-&gt;connections[0])
            -&gt;creationTimeOfOldestPendingJob($queue);
    }

    /**
     * Push a new job onto the queue.
     *
     * @param  object|string  $job
     * @param  mixed  $data
     * @param  string|null  $queue
     * @return mixed
     */
    public function push($job, $data = &#039;&#039;, $queue = null)
    {
        return $this-&gt;attemptOnAllConnections(__FUNCTION__, func_get_args(), $job);
    }

    /**
     * Push a raw payload onto the queue.
     *
     * @param  string  $payload
     * @param  string|null  $queue
     * @return mixed
     */
    public function pushRaw($payload, $queue = null, array $options = [])
    {
        return $this-&gt;attemptOnAllConnections(__FUNCTION__, func_get_args());
    }

    /**
     * Push a new job onto the queue after (n) seconds.
     *
     * @param  \DateTimeInterface|\DateInterval|int  $delay
     * @param  string  $job
     * @param  mixed  $data
     * @param  string|null  $queue
     * @return mixed
     */
    public function later($delay, $job, $data = &#039;&#039;, $queue = null)
    {
        return $this-&gt;attemptOnAllConnections(__FUNCTION__, func_get_args(), $job);
    }

    /**
     * Pop the next job off of the queue.
     *
     * @param  string|null  $queue
     * @return \Illuminate\Contracts\Queue\Job|null
     */
    public function pop($queue = null)
    {
        return $this-&gt;manager-&gt;connection($this-&gt;connections[0])-&gt;pop($queue);
    }

    /**
     * Attempt the given method on all connections.
     *
     * @param  mixed  $job
     * @return mixed
     *
     * @throws \Throwable
     */
    protected function attemptOnAllConnections(string $method, array $arguments, $job = null)
    {
        [$lastException, $failedQueues] = [null, []];

        try {
            foreach ($this-&gt;connections as $connection) {
                try {
                    return $this-&gt;manager-&gt;connection($connection)-&gt;{$method}(...$arguments);
                } catch (Throwable $e) {
                    $lastException = $e;

                    $failedQueues[] = $connection;

                    if ($job !== null &amp;&amp; ! in_array($connection, $this-&gt;failingQueues)) {
                        $this-&gt;events-&gt;dispatch(new QueueFailedOver($connection, $job, $e));
                    }
                }
            }
        } finally {
            $this-&gt;failingQueues = $failedQueues;
        }

        throw $lastException ?? new RuntimeException(&#039;All failover queue connections failed.&#039;);
    }
}
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