Doctrine\ODM\PHPCR\Mapping\ClassMetadata::setIdGenerator PHP Method

    protected function setIdGenerator($generator)
    {
        if (is_string($generator)) {
            $generator = constant('Doctrine\\ODM\\PHPCR\\Mapping\\ClassMetadata::GENERATOR_TYPE_' . strtoupper($generator));
        }
        $this->idGenerator = $generator;
    }