/**
* Get Links object associated with this model.
* If there is none, an empty Links object is created.
*
* @param AbstractModel $model
* @return Links
* @throws InvalidArgumentException If model does not belong to repo
*/
public function get(AbstractModel $model)
{
if (!$this->repo->isModel($model)) {
throw new InvalidArgumentException(sprintf('Model must be %s, was %s', $this->repo->getModelClass(), get_class($model)));
}
if ($this->map->contains($model)) {
return $this->map[$model];
} else {
return $this->map[$model] = new Links($model);
}
}
