/**
  * Creates a Doctrine ODM DocumentManager
  *
  * @return \Doctrine\ODM\CouchDB\DocumentManager
  */
 public function create()
 {
     if (isset($this->documentManager)) {
         return $this->documentManager;
     }
     $httpClient = new \Doctrine\CouchDB\HTTP\SocketClient($this->settings['host'], $this->settings['port'], $this->settings['username'], $this->settings['password'], $this->settings['ip']);
     $reader = new \Doctrine\Common\Annotations\AnnotationReader();
     $metaDriver = new \Doctrine\ODM\CouchDB\Mapping\Driver\AnnotationDriver($reader);
     $config = new \Doctrine\ODM\CouchDB\Configuration();
     $config->setMetadataDriverImpl($metaDriver);
     $packages = $this->packageManager->getActivePackages();
     foreach ($packages as $package) {
         $designDocumentRootPath = \TYPO3\Flow\Utility\Files::concatenatePaths(array($package->getPackagePath(), 'Migrations/CouchDB/DesignDocuments'));
         if (is_dir($designDocumentRootPath)) {
             $packageDesignDocumentFolders = glob($designDocumentRootPath . '/*');
             foreach ($packageDesignDocumentFolders as $packageDesignDocumentFolder) {
                 if (is_dir($packageDesignDocumentFolder)) {
                     $designDocumentName = strtolower(basename($packageDesignDocumentFolder));
                     $config->addDesignDocument($designDocumentName, 'Radmiraal\\CouchDB\\View\\Migration', array('packageKey' => $package->getPackageKey(), 'path' => $packageDesignDocumentFolder));
                 }
             }
         }
     }
     $proxyDirectory = \TYPO3\Flow\Utility\Files::concatenatePaths(array($this->environment->getPathToTemporaryDirectory(), 'DoctrineODM/Proxies'));
     \TYPO3\Flow\Utility\Files::createDirectoryRecursively($proxyDirectory);
     $config->setProxyDir($proxyDirectory);
     $config->setProxyNamespace('TYPO3\\Flow\\Persistence\\DoctrineODM\\Proxies');
     $config->setAutoGenerateProxyClasses(TRUE);
     $couchClient = new \Doctrine\CouchDB\CouchDBClient($httpClient, $this->settings['databaseName']);
     $this->documentManager = \Doctrine\ODM\CouchDB\DocumentManager::create($couchClient, $config);
     return $this->documentManager;
 }