src/MutexFabric.php
<?php
/**
* This file is part of ninja-mutex.
*
* (C) Kamil Dziedzic <arvenil@klecza.pl>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace NinjaMutex;
use NinjaMutex\Lock\LockInterface;
/**
* Mutex fabric
*
* @author Kamil Dziedzic <arvenil@klecza.pl>
*/
class MutexFabric
{
protected $defaultLockImplementorName;
protected $implementors = array();
protected $mutexes = array();
/**
* @param string $lockImplementorName
* @param $lockImplementor
* @throws MutexException
*/
public function __construct($lockImplementorName, LockInterface $lockImplementor)
{
$this->registerLockImplementor($lockImplementorName, $lockImplementor);
}
/**
* @param string $name
* @param LockInterface $implementor
* @throws MutexException
*/
public function registerLockImplementor($name, LockInterface $implementor)
{
if (isset($this->implementors[$name])) {
throw new MutexException(sprintf('Name %s is already used', $name));
}
if (null === $this->defaultLockImplementorName) {
$this->defaultLockImplementorName = $name;
}
$this->implementors[$name] = $implementor;
}
/**
* @param string $registeredLockImplementorName
*/
public function setDefaultLockImplementorName($registeredLockImplementorName)
{
$this->defaultLockImplementorName = $registeredLockImplementorName;
}
public function getDefaultLockImplementorName()
{
return $this->defaultLockImplementorName;
}
/**
* Create and/or get mutex
*
* @param string $name
* @param string $registeredLockImplementorName
* @return Mutex
*/
public function get($name, $registeredLockImplementorName = null)
{
if (null === $registeredLockImplementorName) {
$registeredLockImplementorName = $this->getDefaultLockImplementorName();
}
if (!isset($this->mutexes[$registeredLockImplementorName][$name])) {
$this->createMutex($name, $registeredLockImplementorName);
}
return $this->mutexes[$registeredLockImplementorName][$name];
}
/**
* @param string $name
* @param string $registeredLockImplementorName
*/
protected function createMutex($name, $registeredLockImplementorName)
{
$this->mutexes[$registeredLockImplementorName][$name] = new Mutex($name, $this->implementors[$registeredLockImplementorName]);
}
}