LeanMapper\Entity::setEntityFactory PHP Method

    private function setEntityFactory(IEntityFactory $entityFactory)
    {
        if ($this->entityFactory === null) {
            $this->entityFactory = $entityFactory;
        } elseif ($this->entityFactory != $entityFactory) {
            // intentionally !=, we want to ensure that types and states are same
            throw new InvalidStateException("Given entity factory isn't same as entity factory already present in entity " . get_called_class() . '.');
        }
    }