getMetadataDriverImpl() public method

Gets the cache driver implementation that is used for the mapping metadata.
public getMetadataDriverImpl ( ) : Doctrine\OXM\Mapping\Driver\Driver
return Doctrine\OXM\Mapping\Driver\Driver
 /**
  * Lazy initialization of this stuff, especially the metadata driver,
  * since these are not needed at all when a metadata cache is active.
  */
 protected function initialize()
 {
     $this->driver = $this->configuration->getMetadataDriverImpl();
     if (null === $this->evm) {
         $this->evm = new EventManager();
     }
     $this->initialized = true;
 }