/**
* {@inheritdoc}
*/
protected function validateAttribute(AttributeMetadata $attribute)
{
if (true === $this->hasRelationship($attribute->getKey())) {
throw MetadataException::fieldKeyInUse('attribute', 'relationship', $attribute->getKey(), $this->name);
}
if (true === $this->hasEmbed($attribute->getKey())) {
throw MetadataException::fieldKeyInUse('attribute', 'embed', $attribute->getKey(), $this->name);
}
}
