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<?php
namespace Illuminate\Console\Scheduling;
use Illuminate\Contracts\Container\Container;
use InvalidArgumentException;
use LogicException;
class CallbackEvent extends Event
{
/**
* The callback to call.
*
* @var string
*/
protected $callback;
/**
* The parameters to pass to the method.
*
* @var array
*/
protected $parameters;
/**
* Create a new event instance.
*
* @param \Illuminate\Console\Scheduling\EventMutex $mutex
* @param string $callback
* @param array $parameters
* @return void
*
* @throws \InvalidArgumentException
*/
public function __construct(EventMutex $mutex, $callback, array $parameters = [])
{
if (! is_string($callback) && ! is_callable($callback)) {
throw new InvalidArgumentException(
'Invalid scheduled callback event. Must be a string or callable.'
);
}
$this->mutex = $mutex;
$this->callback = $callback;
$this->parameters = $parameters;
}
/**
* Run the given event.
*
* @param \Illuminate\Contracts\Container\Container $container
* @return mixed
*
* @throws \Exception
*/
public function run(Container $container)
{
if ($this->description && $this->withoutOverlapping &&
! $this->mutex->create($this)) {
return;
}
$pid = getmypid();
register_shutdown_function(function () use ($pid) {
if ($pid === getmypid()) {
$this->removeMutex();
}
});
parent::callBeforeCallbacks($container);
try {
$response = is_object($this->callback)
? $container->call([$this->callback, '__invoke'], $this->parameters)
: $container->call($this->callback, $this->parameters);
} finally {
$this->removeMutex();
parent::callAfterCallbacks($container);
}
return $response;
}
/**
* Clear the mutex for the event.
*
* @return void
*/
protected function removeMutex()
{
if ($this->description && $this->withoutOverlapping) {
$this->mutex->forget($this);
}
}
/**
* Do not allow the event to overlap each other.
*
* @param int $expiresAt
* @return $this
*
* @throws \LogicException
*/
public function withoutOverlapping($expiresAt = 1440)
{
if (! isset($this->description)) {
throw new LogicException(
"A scheduled event name is required to prevent overlapping. Use the 'name' method before 'withoutOverlapping'."
);
}
$this->withoutOverlapping = true;
$this->expiresAt = $expiresAt;
return $this->skip(function () {
return $this->mutex->exists($this);
});
}
/**
* Allow the event to only run on one server for each cron expression.
*
* @return $this
*
* @throws \LogicException
*/
public function onOneServer()
{
if (! isset($this->description)) {
throw new LogicException(
"A scheduled event name is required to only run on one server. Use the 'name' method before 'onOneServer'."
);
}
$this->onOneServer = true;
return $this;
}
/**
* Get the mutex name for the scheduled command.
*
* @return string
*/
public function mutexName()
{
return 'framework/schedule-'.sha1($this->description);
}
/**
* Get the summary of the event for display.
*
* @return string
*/
public function getSummaryForDisplay()
{
if (is_string($this->description)) {
return $this->description;
}
return is_string($this->callback) ? $this->callback : 'Closure';
}
}
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