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<?php
namespace Illuminate\Queue;
use Closure;
use DateTimeInterface;
use Illuminate\Container\Container;
use Illuminate\Contracts\Encryption\Encrypter;
use Illuminate\Contracts\Queue\ShouldBeEncrypted;
use Illuminate\Queue\Events\JobQueued;
use Illuminate\Support\Arr;
use Illuminate\Support\InteractsWithTime;
use Illuminate\Support\Str;
abstract class Queue
{
use InteractsWithTime;
/**
* The IoC container instance.
*
* @var \Illuminate\Container\Container
*/
protected $container;
/**
* The connection name for the queue.
*
* @var string
*/
protected $connectionName;
/**
* Indicates that jobs should be dispatched after all database transactions have committed.
*
* @return $this
*/
protected $dispatchAfterCommit;
/**
* The create payload callbacks.
*
* @var callable[]
*/
protected static $createPayloadCallbacks = [];
/**
* Push a new job onto the queue.
*
* @param string $queue
* @param string $job
* @param mixed $data
* @return mixed
*/
public function pushOn($queue, $job, $data = '')
{
return $this->push($job, $data, $queue);
}
/**
* Push a new job onto a specific queue after (n) seconds.
*
* @param string $queue
* @param \DateTimeInterface|\DateInterval|int $delay
* @param string $job
* @param mixed $data
* @return mixed
*/
public function laterOn($queue, $delay, $job, $data = '')
{
return $this->later($delay, $job, $data, $queue);
}
/**
* Push an array of jobs onto the queue.
*
* @param array $jobs
* @param mixed $data
* @param string|null $queue
* @return void
*/
public function bulk($jobs, $data = '', $queue = null)
{
foreach ((array) $jobs as $job) {
$this->push($job, $data, $queue);
}
}
/**
* Create a payload string from the given job and data.
*
* @param \Closure|string|object $job
* @param string $queue
* @param mixed $data
* @return string
*
* @throws \Illuminate\Queue\InvalidPayloadException
*/
protected function createPayload($job, $queue, $data = '')
{
if ($job instanceof Closure) {
$job = CallQueuedClosure::create($job);
}
$payload = json_encode($this->createPayloadArray($job, $queue, $data), \JSON_UNESCAPED_UNICODE);
if (json_last_error() !== JSON_ERROR_NONE) {
throw new InvalidPayloadException(
'Unable to JSON encode payload. Error code: '.json_last_error()
);
}
return $payload;
}
/**
* Create a payload array from the given job and data.
*
* @param string|object $job
* @param string $queue
* @param mixed $data
* @return array
*/
protected function createPayloadArray($job, $queue, $data = '')
{
return is_object($job)
? $this->createObjectPayload($job, $queue)
: $this->createStringPayload($job, $queue, $data);
}
/**
* Create a payload for an object-based queue handler.
*
* @param object $job
* @param string $queue
* @return array
*/
protected function createObjectPayload($job, $queue)
{
$payload = $this->withCreatePayloadHooks($queue, [
'uuid' => (string) Str::uuid(),
'displayName' => $this->getDisplayName($job),
'job' => 'Illuminate\Queue\CallQueuedHandler@call',
'maxTries' => $job->tries ?? null,
'maxExceptions' => $job->maxExceptions ?? null,
'failOnTimeout' => $job->failOnTimeout ?? false,
'backoff' => $this->getJobBackoff($job),
'timeout' => $job->timeout ?? null,
'retryUntil' => $this->getJobExpiration($job),
'data' => [
'commandName' => $job,
'command' => $job,
],
]);
$command = $this->jobShouldBeEncrypted($job) && $this->container->bound(Encrypter::class)
? $this->container[Encrypter::class]->encrypt(serialize(clone $job))
: serialize(clone $job);
return array_merge($payload, [
'data' => array_merge($payload['data'], [
'commandName' => get_class($job),
'command' => $command,
]),
]);
}
/**
* Get the display name for the given job.
*
* @param object $job
* @return string
*/
protected function getDisplayName($job)
{
return method_exists($job, 'displayName')
? $job->displayName() : get_class($job);
}
/**
* Get the backoff for an object-based queue handler.
*
* @param mixed $job
* @return mixed
*/
public function getJobBackoff($job)
{
if (! method_exists($job, 'backoff') && ! isset($job->backoff)) {
return;
}
if (is_null($backoff = $job->backoff ?? $job->backoff())) {
return;
}
return collect(Arr::wrap($backoff))
->map(function ($backoff) {
return $backoff instanceof DateTimeInterface
? $this->secondsUntil($backoff) : $backoff;
})->implode(',');
}
/**
* Get the expiration timestamp for an object-based queue handler.
*
* @param mixed $job
* @return mixed
*/
public function getJobExpiration($job)
{
if (! method_exists($job, 'retryUntil') && ! isset($job->retryUntil)) {
return;
}
$expiration = $job->retryUntil ?? $job->retryUntil();
return $expiration instanceof DateTimeInterface
? $expiration->getTimestamp() : $expiration;
}
/**
* Determine if the job should be encrypted.
*
* @param object $job
* @return bool
*/
protected function jobShouldBeEncrypted($job)
{
if ($job instanceof ShouldBeEncrypted) {
return true;
}
return isset($job->shouldBeEncrypted) && $job->shouldBeEncrypted;
}
/**
* Create a typical, string based queue payload array.
*
* @param string $job
* @param string $queue
* @param mixed $data
* @return array
*/
protected function createStringPayload($job, $queue, $data)
{
return $this->withCreatePayloadHooks($queue, [
'uuid' => (string) Str::uuid(),
'displayName' => is_string($job) ? explode('@', $job)[0] : null,
'job' => $job,
'maxTries' => null,
'maxExceptions' => null,
'failOnTimeout' => false,
'backoff' => null,
'timeout' => null,
'data' => $data,
]);
}
/**
* Register a callback to be executed when creating job payloads.
*
* @param callable|null $callback
* @return void
*/
public static function createPayloadUsing($callback)
{
if (is_null($callback)) {
static::$createPayloadCallbacks = [];
} else {
static::$createPayloadCallbacks[] = $callback;
}
}
/**
* Create the given payload using any registered payload hooks.
*
* @param string $queue
* @param array $payload
* @return array
*/
protected function withCreatePayloadHooks($queue, array $payload)
{
if (! empty(static::$createPayloadCallbacks)) {
foreach (static::$createPayloadCallbacks as $callback) {
$payload = array_merge($payload, $callback($this->getConnectionName(), $queue, $payload));
}
}
return $payload;
}
/**
* Enqueue a job using the given callback.
*
* @param \Closure|string|object $job
* @param string $payload
* @param string $queue
* @param \DateTimeInterface|\DateInterval|int|null $delay
* @param callable $callback
* @return mixed
*/
protected function enqueueUsing($job, $payload, $queue, $delay, $callback)
{
if ($this->shouldDispatchAfterCommit($job) &&
$this->container->bound('db.transactions')) {
return $this->container->make('db.transactions')->addCallback(
function () use ($payload, $queue, $delay, $callback, $job) {
return tap($callback($payload, $queue, $delay), function ($jobId) use ($job) {
$this->raiseJobQueuedEvent($jobId, $job);
});
}
);
}
return tap($callback($payload, $queue, $delay), function ($jobId) use ($job) {
$this->raiseJobQueuedEvent($jobId, $job);
});
}
/**
* Determine if the job should be dispatched after all database transactions have committed.
*
* @param \Closure|string|object $job
* @return bool
*/
protected function shouldDispatchAfterCommit($job)
{
if (! $job instanceof Closure && is_object($job) && isset($job->afterCommit)) {
return $job->afterCommit;
}
if (isset($this->dispatchAfterCommit)) {
return $this->dispatchAfterCommit;
}
return false;
}
/**
* Raise the job queued event.
*
* @param string|int|null $jobId
* @param \Closure|string|object $job
* @return void
*/
protected function raiseJobQueuedEvent($jobId, $job)
{
if ($this->container->bound('events')) {
$this->container['events']->dispatch(new JobQueued($this->connectionName, $jobId, $job));
}
}
/**
* Get the connection name for the queue.
*
* @return string
*/
public function getConnectionName()
{
return $this->connectionName;
}
/**
* Set the connection name for the queue.
*
* @param string $name
* @return $this
*/
public function setConnectionName($name)
{
$this->connectionName = $name;
return $this;
}
/**
* Get the container instance being used by the connection.
*
* @return \Illuminate\Container\Container
*/
public function getContainer()
{
return $this->container;
}
/**
* Set the IoC container instance.
*
* @param \Illuminate\Container\Container $container
* @return void
*/
public function setContainer(Container $container)
{
$this->container = $container;
}
}
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