public function fetchByNames(array $arr_names)
    {
        return $this->obj_gateway
            ->withSchema($this->obj_schema)
            ->withTransaction($this->str_transaction_id)
            ->fetchByNames($arr_names);
    }
public function fetchByNames(array $arr_names)
    {
        return $this->obj_gateway
            ->withSchema($this->obj_schema)
            ->withTransaction($this->str_transaction_id)
            ->fetchByNames($arr_names);
    }
public function fetchByNames ( array $ arr_names ) { return $ this -> obj_gateway -> withSchema ( $ this -> obj_schema ) -> withTransaction ( $ this -> str_transaction_id ) -> fetchByNames ( $ arr_names ) ; }
Fetch one or more Entities from the Datastore, by their Key Name

Only works for root Entities (i.e. those without parent Entities)

@param $arr_names
@return Entity[]|null
Fetch one or more Entities from the Datastore by their Key Name