<?php
namespace Illuminate\Contracts\Queue;
interface Monitor
{
/**
* Register a callback to be executed on every iteration through the queue loop.
*
* @param mixed $callback
* @return void
*/
public function looping($callback);
/**
* Register a callback to be executed when a job fails after the maximum number of retries.
*
* @param mixed $callback
* @return void
*/
public function failing($callback);
/**
* Register a callback to be executed when a daemon queue is stopping.
*
* @param mixed $callback
* @return void
*/
public function stopping($callback);
}