Doctrine\ODM\OrientDB\Configuration::getProxyDirectory PHP Method

    public function getProxyDirectory()
    {
        if (!isset($this->options['proxy_dir'])) {
            throw ConfigurationException::missingKey('proxy_dir');
        }
        return $this->options['proxy_dir'];
    }

 /**
  * Instatiates a new Mapper, injecting the $mapper that will be used to
  * hydrate record retrieved through the $binding.
  *
  * @param BindingInterface $binding
  * @param Configuration $configuration
  */
 public function __construct(BindingInterface $binding, Configuration $configuration)
 {
     $this->configuration = $configuration;
     $this->binding = $binding;
     $this->inflector = $configuration->getInflector();
     $this->metadataFactory = $configuration->getMetadataFactory();
     $this->cache = $configuration->getCache();
     $this->uow = new UnitOfWork($this);
     /**
      * this must be the last since it will require the Manager to be constructed already.
      * TODO fixthis
      */
     $this->proxyFactory = new ProxyFactory($this, $configuration->getProxyDirectory(), $configuration->getProxyNamespace(), $configuration->getAutoGenerateProxyClasses());
 }