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<?php
/*
* This file is part of the Sonata Project package.
*
* (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Sonata\Cache\Adapter\Counter;
use Sonata\Cache\Counter;
/**
* Handles APC cache.
*/
class ApcCounter extends BaseCounter
{
/**
* @var string
*/
protected $prefix;
/**
* Constructor.
*
* @param string $prefix A prefix to avoid clash between instances
*/
public function __construct(string $prefix)
{
$this->prefix = $prefix;
}
/**
* {@inheritdoc}
*/
public function increment(Counter $counter, int $number = 1): Counter
{
$counter = $this->transform($counter);
$value = apc_inc($this->prefix.'/'.$counter->getName(), $number);
return $this->handleIncrement($value, $counter, $number);
}
/**
* {@inheritdoc}
*/
public function decrement(Counter $counter, int $number = 1): Counter
{
$counter = $this->transform($counter);
$value = apc_dec($this->prefix.'/'.$counter->getName(), $number);
return $this->handleDecrement($value, $counter, $number);
}
/**
* {@inheritdoc}
*/
public function set(Counter $counter): Counter
{
apc_store($this->prefix.'/'.$counter->getName(), $counter->getValue());
return $counter;
}
/**
* {@inheritdoc}
*/
public function get(string $name): Counter
{
return Counter::create($name, (int) apc_fetch($this->prefix.'/'.$name));
}
}
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