protected function checkForDuplicates(PageLocalization $pageData, Path $newPath)
	{
		$page = $pageData->getMaster();
		$locale = $pageData->getLocale();
		$repo = $this->em->getRepository(PageLocalizationPath::CN());

		$newPathString = $newPath->getFullPath();

		// Duplicate path validation
		$criteria = array(
			'locale' => $locale,
			'path' => $newPath
		);

		$duplicate = $repo->findOneBy($criteria);
		/* @var $duplicate PageLocalizationPath */

		if ( ! is_null($duplicate) && ! $pageData->getPathEntity()->equals($duplicate)) {
			throw new DuplicatePagePathException(
					sprintf('Page with path [%s] already exists.', $newPathString),
					$pageData
			);
		}
	}