private QueryResult CreateResult(object source, DataServiceContext context, AsyncCallback callback, object state) { Debug.Assert(null != context, "context is null"); HttpWebRequest request = context.CreateRequest(this.QueryComponents.Uri, XmlConstants.HttpMethodGet, false, null, this.QueryComponents.Version, false); return(new QueryResult(source, "Execute", this, request, callback, state)); }
internal long GetQuerySetCount(DataServiceContext context) { Debug.Assert(null != context, "context is null"); this.QueryComponents.Version = Util.DataServiceVersion2; QueryResult response = null; DataServiceRequest<long> serviceRequest = new DataServiceRequest<long>(this.QueryComponents, null); HttpWebRequest request = context.CreateRequest(this.QueryComponents.Uri, XmlConstants.HttpMethodGet, false, null, this.QueryComponents.Version, false); request.Accept = "text/plain"; response = new QueryResult(this, "Execute", serviceRequest, request, null, null); try { response.Execute(); if (HttpStatusCode.NoContent != response.StatusCode) { StreamReader sr = new StreamReader(response.GetResponseStream()); long r = -1; try { r = XmlConvert.ToInt64(sr.ReadToEnd()); } finally { sr.Close(); } return r; } else { throw new DataServiceQueryException(Strings.DataServiceRequest_FailGetCount, response.Failure); } } catch (InvalidOperationException ex) { QueryOperationResponse operationResponse = null; operationResponse = response.GetResponse<long>(MaterializeAtom.EmptyResults); if (null != operationResponse) { operationResponse.Error = ex; throw new DataServiceQueryException(Strings.DataServiceException_GeneralError, ex, operationResponse); } throw; } }