Exemple #1
0
        private async Task <IReadOnlyList <TValue> > GetValuesAsync(IPredicate predicate, CancellationToken cancellationToken)
        {
            if (predicate == null)
            {
                throw new ArgumentNullException(nameof(predicate));
            }
            var pagingPredicate = UnwrapPagingPredicate(predicate);

            if (pagingPredicate != null)
            {
                pagingPredicate.IterationType = IterationType.Value;

                var pagingPredicateHolder = PagingPredicateHolder.Of(predicate, SerializationService);
                var requestMessage        = MapValuesWithPagingPredicateCodec.EncodeRequest(Name, pagingPredicateHolder);
                var responseMessage       = await Cluster.Messaging.SendAsync(requestMessage, cancellationToken).CAF();

                var response = MapValuesWithPagingPredicateCodec.DecodeResponse(responseMessage);
                pagingPredicate.UpdateAnchors(response.AnchorDataList.AsAnchorIterator(SerializationService));
                return(new ReadOnlyLazyList <TValue>(response.Response, SerializationService));
            }

            {
                var requestMessage  = MapValuesWithPredicateCodec.EncodeRequest(Name, ToData(predicate));
                var responseMessage = await(predicate is PartitionPredicate pp
                    ? Cluster.Messaging.SendToKeyPartitionOwnerAsync(requestMessage, SerializationService.ToData(pp.PartitionKey), cancellationToken)
                    : Cluster.Messaging.SendAsync(requestMessage, cancellationToken))
                                      .CAF();
                var response = MapValuesWithPredicateCodec.DecodeResponse(responseMessage).Response;
                return(new ReadOnlyLazyList <TValue>(response, SerializationService));
            }
        }
Exemple #2
0
        private ICollection <TValue> ValuesForPagingPredicate(IPredicate predicate)
        {
            var pagingPredicate = UnwrapPagingPredicate(predicate);

            pagingPredicate.IterationType = IterationType.Value;

            var pagingPredicateHolder = PagingPredicateHolder.Of(predicate, Client.SerializationService);
            var request          = MapValuesWithPagingPredicateCodec.EncodeRequest(Name, pagingPredicateHolder);
            var response         = InvokeWithPredicate(request, predicate);
            var resultParameters = MapValuesWithPagingPredicateCodec.DecodeResponse(response);

            pagingPredicate.AnchorList = resultParameters.AnchorDataList.AsAnchorIterator(Client.SerializationService).ToList();
            return(new ReadOnlyLazySet <TValue>(resultParameters.Response, Client.SerializationService));
        }
Exemple #3
0
        private ICollection <TValue> ValuesForPagingPredicate(PagingPredicate pagingPredicate)
        {
            pagingPredicate.IterationType = IterationType.Value;

            var request          = MapValuesWithPagingPredicateCodec.EncodeRequest(GetName(), ToData(pagingPredicate));
            var response         = Invoke(request);
            var resultParameters = MapValuesWithPagingPredicateCodec.DecodeResponse(response);

            var resultList = new List <KeyValuePair <object, object> >();

            foreach (var dataEntry in resultParameters.response)
            {
                var key   = ToObject <TKey>(dataEntry.Key);
                var value = ToObject <TValue>(dataEntry.Value);
                resultList.Add(new KeyValuePair <object, object>(key, value));
            }
            var resultEnumerator =
                SortingUtil.GetSortedQueryResultSet <TKey, TValue>(resultList, pagingPredicate, IterationType.Value);

            return(resultEnumerator.Cast <TValue>().ToList());
        }