private static void CheckEntityIsNotTracked(DataServiceContextData data, object entity) { ExceptionUtilities.CheckArgumentNotNull(data, "data"); EntityDescriptorData descriptorData; if (data.TryGetEntityDescriptorData(entity, out descriptorData)) { throw new TaupoInvalidOperationException( string.Format(CultureInfo.InvariantCulture, "Specified entity is already tracked by the descriptor data: {0}.", descriptorData.ToString())); } }
private static void CheckIdentity(DataServiceContextData data, Uri identity) { ExceptionUtilities.CheckArgumentNotNull(data, "data"); if (identity == null) { throw new TaupoInvalidOperationException("Entity identity cannot be null or empty."); } EntityDescriptorData descriptorData; if (data.TryGetEntityDescriptorData(identity, out descriptorData)) { throw new TaupoInvalidOperationException( string.Format(CultureInfo.InvariantCulture, "There is already an entity descriptor data with the specified identity: {0}.", descriptorData.ToString())); } }
private static EntityDescriptorData GetTrackedEntityDescriptorData(DataServiceContextData data, object entity, string errorMessage, string argumentName) { ExceptionUtilities.CheckArgumentNotNull(data, "data"); EntityDescriptorData descriptorData; if (!data.TryGetEntityDescriptorData(entity, out descriptorData)) { throw new TaupoInvalidOperationException(errorMessage + " " + argumentName + " is not tracked by the data service context data."); } return descriptorData; }