Attachments to Doctrine Jira Issue DDC-1909 - https://github.com/doctrine/doctrine2/issues/2576

11202_DoctrineCache.php

<?php

/**
 * Description of DoctrineCache
 * @author justinas
 */
class SCMS_Controller_Plugin_DoctrineCache  extends Zend_Controller_Plugin_Abstract
{	
	/**
	 * @var \Doctrine\Common\Cache\CacheProvider
	 */
	private static $driver;

	public function routeShutdown(Zend_Controller_Request_Abstract $request){
		/* @var $em \Doctrine\ORM\EntityManager */
		$em = Zend_Registry::get('em');
		$cacheDriver =  $this->getCacheDriver();
		$cacheDriver->setNamespace(\SCMS\DbCache::CNS_CACHE);

		$em->getConfiguration()->setResultCacheImpl($cacheDriver);		
		Zend_Registry::set('Cache_Driver', $cacheDriver);		
	}
	/**
	 *
	 * @return \Doctrine\Common\Cache\CacheProvider
	 */
	public static function getCacheDriver(){
		if (self::_getDriverName() == 'memcache') {
			$config = \Zend_Registry::get('config');
			$cacheSrvs = $config['resources']['doctrine']['cache']['instances']['memcache']['options']['servers'];
			$memcache = new Memcache();
			foreach($cacheSrvs as $srv){
				$memcache->addserver($srv['host'], $srv['port'], $srv['persistent'], $srv['weight'], $srv['timeout'], $srv['retryInterval'], $srv['status']);
			}

			self::$driver = new \Doctrine\Common\Cache\MemcacheCache();			
			self::$driver->setMemcache($memcache);			
			self::$driver->setNamespace($config['resources']['doctrine']['cache']['instances']['memcache']['namespace']);
		} else {
			self::$driver = new \Doctrine\Common\Cache\ApcCache();
		}
				
		return self::$driver;
	}

	protected static function _getDriverName()
	{
		$available = array('memcache', 'apc');
		foreach ($available as $backend) {
			if (extension_loaded($backend)) {
				return $backend;
			}
		}
	}
}