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<?php
/**
* @author stev leibelt <artodeto@bazzline.net>
* @since 2013-07-01
*/
namespace Net\Bazzline\Component\Lock;
use InvalidArgumentException;
use RuntimeException;
/**
* Class RuntimeLock
*
* @package Net\Bazzline\Component\Lock
*/
class RuntimeLock implements LockInterface
{
/** @var string */
private $name;
/** @var boolean */
private $isLocked;
/**
* @param string $name
* @throws InvalidArgumentException
*/
public function __construct($name = '')
{
if (strlen($name) > 0) {
$this->setResource($name);
}
}
/**
* @return bool
*/
public function isLocked()
{
return ((!is_null($this->isLocked)) && ($this->isLocked == true));
}
/**
* @throws \RuntimeException
*/
public function acquire()
{
if ($this->isLocked()) {
throw new RuntimeException(
'Can not acquire lock, lock already exists.'
);
}
$this->isLocked = true;
}
/**
* @throws \RuntimeException
*/
public function release()
{
if (!$this->isLocked()) {
throw new RuntimeException(
'Can not release lock, no lock exists.'
);
}
$this->isLocked = false;
}
/**
* @return mixed|string
*/
public function getResource()
{
return (is_null($this->name)) ? str_replace('\\', '_', get_class($this)) : $this->name;
}
/**
* @param mixed|string $resource
* @throws InvalidArgumentException
*/
public function setResource($resource)
{
$this->name = (string) $resource;
}
}