CgwMonitorManage.Tiandy.TiandyVideoMonitor.RecursionCamera C# (CSharp) Method

        private void RecursionCamera(List<Resource> resourceTree, Dictionary<string, TiandyCamera> tiandyCameraDictionary, Dictionary<string, Host> hostDictionary, Dictionary<string, MediaServer> mediaServerDictionary)
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);

            if (resourceTree == null)
            {
                logEx.Error("Recursion camera failed.ResourceTree is null.");
                return;
            }
            if (tiandyCameraDictionary == null)
            {
                tiandyCameraDictionary = new Dictionary<string, TiandyCamera>();
            }
            if (hostDictionary == null)
            {
                hostDictionary = new Dictionary<string, Host>();
            }
            if (mediaServerDictionary == null)
            {
                mediaServerDictionary = new Dictionary<string, MediaServer>();
            }
            foreach (Resource resource in resourceTree)
            {
                //TypeId为5时，表示该节点为通道，对应一个摄像头
                if (((int)NodeType.CAMERA).ToString().Equals(resource.TypeId))
                {
                    TiandyCamera camera = new TiandyCamera(resource.Id, resource.Caption);
                    camera.Channel = resource.Ch;
                    //摄像头的父节点为主机
                    camera.HostNo = resource.ParentId;
                    tiandyCameraDictionary.Add(camera.No, camera);

                    //如果是摄像头节点，不需要递归
                    continue;
                }
                else if (((int)NodeType.HOST).ToString().Equals(resource.TypeId))
                {
                    //将主机加入缓存，主机的父节点为流媒体（中间件）服务器
                    Host host = new Host(
                                resource.Id,
                                resource.Username,
                                resource.Pwd,
                                resource.ParentId);

                    hostDictionary.Add(host.No, host);
                }
                else if (((int)NodeType.MEDIASERVER).ToString().Equals(resource.TypeId))
                {
                    //将流媒体（中间件）服务器加入缓存
                    MediaServer mediaServer = new MediaServer(
                                                resource.Id,
                                                resource.Ip,
                                                resource.Port,
                                                resource.Username,
                                                resource.Pwd);

                    mediaServerDictionary.Add(mediaServer.No, mediaServer);
                }

                //递归处理
                RecursionCamera(resource.items, tiandyCameraDictionary, hostDictionary, mediaServerDictionary);
            }
        }