doctrine / mongodb-odm

     * @return $this

     * @throws \BadMethodCallException if the query is not a mapReduce command

     */

    public function mapReduceOptions(array $options)

    {

        if ($this->query['type'] !== Query::TYPE_MAP_REDUCE) {

            throw new \BadMethodCallException('This method requires a mapReduce command (call map() or mapReduce() first)');

        }

        $this->query['mapReduce']['options'] = $options;

        return $this;

    }

    /**

     * Updates the value of the field to a specified value if the specified value is greater than the current value of the field.

     * @return $this

     * @throws \BadMethodCallException if the query is not a mapReduce command

     */

    public function out($out)

    {

        if ($this->query['type'] !== Query::TYPE_MAP_REDUCE) {

            throw new \BadMethodCallException('This method requires a mapReduce command (call map() or mapReduce() first)');

        }

        $this->query['mapReduce']['out'] = $out;

        return $this;

    }

    /**

     * Remove the first element from the current array field.