getParentClass() public method

public getParentClass ( ) : self | null
return self | null
 private function walkClassHierarchy(ClassType $classType, &$expressions)
 {
     $parentClass = $classType->getParentClass();
     if ($parentClass) {
         $this->walkClassHierarchy($parentClass, $expressions);
     }
     $annotation = $classType->getAnnotation('Security');
     if ($annotation) {
         if (!is_string($annotation)) {
             throw new \InvalidArgumentException('Security annotation must be simple string with expression.');
         }
         $expressions[] = new Expression($annotation);
     }
 }
 /**
  * Try to find entity class in possible NS
  *
  * @param class $className
  * @param object $entity
  * @return null|string
  */
 private function findEntityWholeName($className, $entity)
 {
     $existingClass = NULL;
     // try to locate class in this namespace
     if (!class_exists($className)) {
         // try to find in namespace of entity
         $reflection = new ClassType($entity);
         $existingClass = $reflection->getNamespaceName() . "\\" . $className;
         // try to locate in parents namespace (recursive)
         if (!class_exists($existingClass)) {
             $parentClass = $reflection->getParentClass();
             while ($parentClass !== NULL) {
                 $existingClass = $reflection->getParentClass()->getNamespaceName() . "\\" . $className;
                 // not found try to find in parent namespace
                 if (!class_exists($existingClass)) {
                     $rc = new ClassType($parentClass);
                     $parentClass = $rc->getParentClass();
                     $existingClass = NULL;
                 } else {
                     $parentClass = NULL;
                 }
             }
         }
     } else {
         $existingClass = $className;
     }
     return $existingClass;
 }