namespace VisionDirector {
    /// <summary>
    /// TeachingDirector를 관리하는 매니저
    /// </summary>
    public class TeachingDirectorManager : MotionDirectorManager {
        private static object _staticLock = new object();

        private static TeachingDirectorManager _instance = null;

        /// <summary>
        /// TeachingDirectorManager의 싱글턴 인스턴스
        /// </summary>
        public static TeachingDirectorManager Instance {
            get {
                lock (_staticLock) {
                    if (_instance == null) {
                        _instance = new TeachingDirectorManager();
                    }
                    return _instance;
                }
            }
        }
    }
}