FriendsOfSymfony / FOSElasticaBundle

     * @param Client $client

     * @param string $indexName Index name to delete

     */

    private function deleteIndex(Client $client, $indexName)

    {

        try {

            $path = sprintf('%s', $indexName);

            $client->request($path, Request::DELETE);

        } catch (ExceptionInterface $deleteOldIndexException) {

            throw new \RuntimeException(sprintf(

                'Failed to delete index %s with message: %s',

                $indexName,

                $deleteOldIndexException->getMessage()

            ), 0, $deleteOldIndexException);

        }

    }

    /**

     * Close an index.

     * @param Client $client

     * @param string $indexName

     */

    private function closeIndex(Client $client, $indexName)

    {

        try {

            $path = sprintf('%s/_close', $indexName);

            $client->request($path, Request::POST);

        } catch (ExceptionInterface $e) {

            throw new \RuntimeException(

                sprintf(

                    'Failed to close index %s with message: %s',

                    $indexName,

                    $e->getMessage()

                ),

                0,

                $e

            );

        }

    }

    /**

     * Returns the name of a single index that an alias points to or throws