/**
* @return mixed
*/
protected function getKeyKey()
{
$n = get_called_class();
if (!isset(self::$k_cache[$n])) {
$key = null;
$r = $this->getReflection();
//Parse the annotations in a class
$reader = new \Phalcon\Annotations\Reader();
$parsing = $reader->parse($r->getName());
//Create the reflection
$annotations = new \Phalcon\Annotations\Reflection($parsing);
if ($annotations->getClassAnnotations()->has('key')) {
$key = $annotations->getClassAnnotations()->get('key');
} else {
foreach ($r->getProperties(\ReflectionProperty::IS_PUBLIC) as $property) {
if (!$property->isPublic() || $property->isStatic()) {
continue;
}
$f = new Field($r, $property);
if ($f->isKey()) {
$key = $property->getName();
break;
}
}
}
self::$k_cache[$n] = $key;
}
return self::$k_cache[$n];
}
