diff --git a/application/symfony/src/Domain/RepositoryManagement/LayerRepositoryFactoryService.php b/application/symfony/src/Domain/RepositoryManagement/LayerRepositoryFactoryService.php
index 22ba624..745128e 100644
--- a/application/symfony/src/Domain/RepositoryManagement/LayerRepositoryFactoryService.php
+++ b/application/symfony/src/Domain/RepositoryManagement/LayerRepositoryFactoryService.php
@@ -4,40 +4,18 @@ namespace App\Domain\RepositoryManagement;
 
 use App\Repository\RepositoryInterface;
 use Doctrine\ORM\EntityManagerInterface;
-use App\DBAL\Types\Meta\Right\LayerType;
-use App\Exception\NotSetException;
-use App\Entity\Source\AbstractSource;
+use App\Domain\LayerManagement\LayerClassMap;
 
 /**
  * @author kevinfrantz
  */
 final class LayerRepositoryFactoryService implements LayerRepositoryFactoryServiceInterface
 {
-    const LAYER_CLASS_MAP = [
-        LayerType::SOURCE => AbstractSource::class,
-    ];
-
     /**
      * @var EntityManagerInterface
      */
     private $entityManager;
 
-    /**
-     * @param string $layer
-     *
-     * @throws NotSetException
-     *
-     * @return string
-     */
-    private function getRepositoryClassName(string $layer): string
-    {
-        $map = self::LAYER_CLASS_MAP;
-        if (array_key_exists($layer, $map)) {
-            return $map[$layer];
-        }
-        throw new NotSetException('The requested layer is not mapped!');
-    }
-
     /**
      * @param EntityManagerInterface $entityManager
      */
@@ -53,7 +31,7 @@ final class LayerRepositoryFactoryService implements LayerRepositoryFactoryServi
      */
     public function getRepository(string $layer): RepositoryInterface
     {
-        $repositoryClassName = $this->getRepositoryClassName($layer);
+        $repositoryClassName = LayerClassMap::getClass($layer);
 
         return $this->entityManager->getRepository($repositoryClassName);
     }