/// <summary>
/// Ends the asynchronous query request.
/// </summary>
/// <typeparam name="TElement">Element type of the result.</typeparam>
/// <param name="source">Source object of async request.</param>
/// <param name="method">async method name.</param>
/// <param name="asyncResult">The asyncResult being ended.</param>
/// <returns>Data service response.</returns>
internal static QueryResult EndExecuteQuery <TElement>(object source, string method, IAsyncResult asyncResult)
{
QueryResult response = null;
try
{
response = BaseAsyncResult.EndExecute <QueryResult>(source, method, asyncResult);
}
catch (InvalidOperationException ex)
{
response = asyncResult as QueryResult;
Debug.Assert(response != null, "response != null, BaseAsyncResult.EndExecute() would have thrown a different exception otherwise.");
QueryOperationResponse operationResponse = response.GetResponse <TElement>(MaterializeAtom.EmptyResults);
if (operationResponse != null)
{
operationResponse.Error = ex;
throw new DataServiceQueryException(Strings.DataServiceException_GeneralError, ex, operationResponse);
}
throw;
}
return(response);
}
