/// <summary>
/// Get an existing business object.
/// </summary>
/// <param name="request">The request parameter object.</param>
#pragma warning disable 1998
public async Task <DataPortalResponse> Fetch(CriteriaRequest request)
#pragma warning restore 1998
{
var result = new DataPortalResponse();
try
{
request = ConvertRequest(request);
// unpack criteria data into object
object criteria = GetCriteria(request.CriteriaData);
if (criteria is Csla.DataPortalClient.PrimitiveCriteria)
{
criteria = ((Csla.DataPortalClient.PrimitiveCriteria)criteria).Value;
}
var objectType = Csla.Reflection.MethodCaller.GetType(AssemblyNameTranslator.GetAssemblyQualifiedName(request.TypeName), true);
var context = new DataPortalContext(
(IPrincipal)SerializationFormatterFactory.GetFormatter().Deserialize(request.Principal),
true,
request.ClientCulture,
request.ClientUICulture,
(ContextDictionary)SerializationFormatterFactory.GetFormatter().Deserialize(request.ClientContext),
(ContextDictionary)SerializationFormatterFactory.GetFormatter().Deserialize(request.GlobalContext));
var dpr = await dataPortalServer.Fetch(objectType, criteria, context, true);
if (dpr.Error != null)
{
result.ErrorData = new DataPortalErrorInfo(dpr.Error);
}
result.ObjectData = SerializationFormatterFactory.GetFormatter().Serialize(dpr.ReturnObject);
}
catch (Exception ex)
{
result.ErrorData = new DataPortalErrorInfo(ex);
throw;
}
finally
{
result = ConvertResponse(result);
}
return(result);
}
void DoFetch(object state)
{
FetchTask task = state as FetchTask;
task.Result = Portal.Fetch(task.ObjectType, task.Criteria, task.Context);
}