/**
* Asserts the key is valid for the related model.
*/
protected function assertValidForeignKey($key)
{
if (!in_array($key, $this->relatedDefinition->getColumnMap(), true)) {
throw new InvalidArgumentException("Invalid key '{$key}' for '{$this->relatedDefinition->getName()}'");
}
}
/**
* Returns the model's name.
*
* @return string
*/
public function getModelName()
{
return $this->definition->getName();
}
