private function getClassByName($className)
    {
        if (! isset($this->classByNames[$className])) {
            foreach ($this->metadata as $class) {
                if ($class->getName() === $className) {
                    $this->classByNames[$className] = $class;
                    break;
                }
            }
        }

        return $this->classByNames[$className] ?? null;
    }
private function getClassByName($className)
    {
        if (! isset($this->classByNames[$className])) {
            foreach ($this->metadata as $class) {
                if ($class->getName() === $className) {
                    $this->classByNames[$className] = $class;
                    break;
                }
            }
        }

        return $this->classByNames[$className] ?? null;
    }
private function getClassByName ( $ className ) { if ( ! isset ( $ this -> classByNames [ $ className ] ) ) { foreach ( $ this -> metadata as $ class ) { if ( $ class -> getName ( ) === $ className ) { $ this -> classByNames [ $ className ] = $ class ; break ; } } } return $ this -> classByNames [ $ className ] ?? null ; }
Retrieve a class metadata instance by name from the given array

@param string          $className

@return ClassMetadata|null
Retrieve a class metadata instance by name from the given array