Base::addToConfiguration

private function addToConfiguration(BaseValuable $element)
{
	$configuration = $this->getConfiguration($element->getKey());

	if (!$configuration)
	{
		$newConfiguration = new Configuration();
		$newConfiguration->setGId(Util::generateUserUniqueId());
		$newConfiguration->setFieldClassName($element::getClassName());
		$newConfiguration->setKey($element->getKey());
		$newConfiguration->setValue($element->getValue());
		$newConfiguration->setWeight($element->getWeight());
		$this->configurations[] = $newConfiguration;
	}
}