using Aitex.Core.Util; namespace MECF.Framework.Common.DataCenter { public class QueryDataClient : Singleton { private IQueryDataService _service; public bool InProcess { get; set; } public IQueryDataService Service { get { if (_service == null) { if (InProcess) { _service = new QueryDataService(); } else { _service = new QueryDataServiceClient(); } } return _service; } } } }