<?php
namespace Guzzle\Batch;
use Guzzle\Common\Exception\InvalidArgumentException;
/**
* BatchInterface decorator used to call a method each time flush is called
*/
class NotifyingBatch extends AbstractBatchDecorator
{
/** @var mixed Callable to call */
protected $callable;
/**
* @param BatchInterface $decoratedBatch Batch object to decorate
* @param mixed $callable Callable to call
*
* @throws InvalidArgumentException
*/
public function __construct(BatchInterface $decoratedBatch, $callable)
{
if (!is_callable($callable)) {
throw new InvalidArgumentException('The passed argument is not callable');
}
$this->callable = $callable;
parent::__construct($decoratedBatch);
}
public function flush()
{
$items = $this->decoratedBatch->flush();
call_user_func($this->callable, $items);
return $items;
}
}