Bolt\Extension\StorageTrait::extendRepositoryMapping PHP Method

    protected final function extendRepositoryMapping()
    {
        $app = $this->getContainer();
        $app['storage'] = $app->share($app->extend('storage', function ($entityManager) use($app) {
            foreach ($this->registerRepositoryMappings() as $alias => $map) {
                if (Arr::isIndexedArray($map)) {
                    // Usually caused by [entity, repo] instead of [entity => repo]
                    throw new \RuntimeException(sprintf('Repository mapping for %s `%s` is not an associative array.', __CLASS__, $alias));
                }
                $app['storage.repositories'] += $map;
                $app['storage.metadata']->setDefaultAlias($app['schema.prefix'] . $alias, key($map));
                $entityManager->setRepository(key($map), current($map));
                $entityManager->addEntityAlias($alias, key($map));
            }
            return $entityManager;
        }));
    }