/**
* @param \NajiDev\XbmcApi\Model\Item\Base $entity
* @throws \InvalidArgumentException
*/
public function add(Base $entity)
{
if (null === ($id = $entity->getId())) {
throw new \InvalidArgumentException('Entity has to have an id');
}
$class = get_class($entity);
if (!array_key_exists($class, $this->map)) {
$this->map[$class] = array();
}
$this->map[$class][$id] = $entity;
}