public function setRootName(IndexConfig $indexConfig, Index $index)
    {
        $index->overrideName(
            sprintf('%s_%s',
                $indexConfig->getElasticSearchName(),
                date('Y-m-d-His')
            )
        );
    }
public function setRootName(IndexConfig $indexConfig, Index $index)
    {
        $index->overrideName(
            sprintf('%s_%s',
                $indexConfig->getElasticSearchName(),
                date('Y-m-d-His')
            )
        );
    }
public function setRootName ( IndexConfig $ indexConfig , Index $ index ) { $ index -> overrideName ( sprintf ( '%s_%s' , $ indexConfig -> getElasticSearchName ( ) , date ( 'Y-m-d-His' ) ) ) ; }
Sets the randomised root name for an index.

@param IndexConfig $indexConfig
@param Index       $index
Sets the randomised root name for an index .