public static int TransferAsyncAll(int size, Action<object> process)
        {
            var scanResults = ConnectionManager.RemoteClient.Search<Object>(s => s
                .Index(SrcIndexName)
                .Type(SrcIndexType)
                .From(0)
                .Size(size)
                .MatchAll()
                .SearchType(SearchType.Scan)
                .Scroll(ScrollTime)
            );
            if (scanResults == null) return 0;
            TransferHandler handler = new TransferHandler(TransferCall);
            AnsycState state = new AnsycState
            {
                Handler = handler,
                Process = process

            };
            if (string.IsNullOrEmpty(scanResults.ScrollId)) return 0;
            handler.BeginInvoke(scanResults.ScrollId, process, TransferCallback, state);
            return Convert.ToInt32(scanResults.Total);
        }
        public static int TransferAsync(int size, DateTime from,DateTime to,Action<object> process)
        {
            //from = from.AddHours(-8);
            //to = to.AddHours(-8);
            var scanResults = ConnectionManager.RemoteClient.Search<Object>(s => s
                .Index(SrcIndexName)
                .Type(SrcIndexType)
                .From(0)
                .Size(size)
                .Query(q=>q.Range(r=>r.OnField("TimeStamp").Greater(from).LowerOrEquals(to)))
                .SearchType(SearchType.Scan)
                .Scroll(ScrollTime)
            );
            if (scanResults == null) return 0;
            TransferHandler handler = new TransferHandler(TransferCall);
            AnsycState state = new AnsycState
            {
                Handler = handler,
                Process = process

            };
            if (string.IsNullOrEmpty(scanResults.ScrollId)) return 0;
            handler.BeginInvoke(scanResults.ScrollId, process, TransferCallback, state);
            return Convert.ToInt32(scanResults.Total);
        }