Doctrine\OXM\Tools\Console\MetadataFilter::filter PHP Метод

    public static function filter(array $metadatas, $filter)
    {
        $metadatas = new MetadataFilter(new \ArrayIterator($metadatas), $filter);
        return iterator_to_array($metadatas);
    }

 /**
  * @see Console\Command\Command
  */
 protected function execute(Console\Input\InputInterface $input, Console\Output\OutputInterface $output)
 {
     $xem = $this->getHelper('xem')->getXmlEntityManager();
     $metadatas = $xem->getMetadataFactory()->getAllMetadata();
     $metadatas = MetadataFilter::filter($metadatas, $input->getOption('filter'));
     // Process destination directory
     $destPath = realpath($input->getArgument('dest-path'));
     if (!file_exists($destPath)) {
         throw new \InvalidArgumentException(sprintf("XmlEntities destination directory '<info>%s</info>' does not exist.", $destPath));
     } else {
         if (!is_writable($destPath)) {
             throw new \InvalidArgumentException(sprintf("XmlEntities destination directory '<info>%s</info>' does not have write permissions.", $destPath));
         }
     }
     if (count($metadatas)) {
         $numRepositories = 0;
         $generator = new XmlEntityRepositoryGenerator();
         foreach ($metadatas as $metadata) {
             if ($metadata->customRepositoryClassName) {
                 $output->write(sprintf('Processing repository "<info>%s</info>"', $metadata->customRepositoryClassName) . PHP_EOL);
                 $generator->writeDocumentRepositoryClass($metadata->customRepositoryClassName, $destPath);
                 $numRepositories++;
             }
         }
         if ($numRepositories) {
             // Outputting information message
             $output->write(PHP_EOL . sprintf('Repository classes generated to "<info>%s</INFO>"', $destPath) . PHP_EOL);
         } else {
             $output->write('No Repository classes were found to be processed.' . PHP_EOL);
         }
     } else {
         $output->write('No Metadata Classes to process.' . PHP_EOL);
     }
 }