internal IKTable <K, VR> Build <VR>(
            string functionName,
            StoreBuilder <TimestampedKeyValueStore <K, VR> > storeBuilder,
            IKStreamAggProcessorSupplier <K, K, V, VR> aggregateSupplier,
            string queryableStoreName,
            ISerDes <K> keySerdes,
            ISerDes <VR> valueSerdes)
        {
            // if repartition required TODO
            // ELSE
            StatefulProcessorNode <K, V, TimestampedKeyValueStore <K, VR> > statefulProcessorNode =
                new StatefulProcessorNode <K, V, TimestampedKeyValueStore <K, VR> >(
                    functionName,
                    new ProcessorParameters <K, V>(aggregateSupplier, functionName),
                    storeBuilder);

            builder.AddGraphNode(node, statefulProcessorNode);

            return(new KTable <K, V, VR>(functionName,
                                         keySerdes,
                                         valueSerdes,
                                         sourceNodes,
                                         queryableStoreName,
                                         aggregateSupplier,
                                         statefulProcessorNode,
                                         builder));
        }
        internal IKTable <K, VR> Build <VR>(
            string functionName,
            StoreBuilder <ITimestampedKeyValueStore <K, VR> > storeBuilder,
            IKStreamAggProcessorSupplier <K, K, V, VR> aggregateSupplier,
            string queryableStoreName,
            ISerDes <K> keySerdes,
            ISerDes <VR> valueSerdes)
        {
            var sourceName = Repartition(storeBuilder);

            StatefulProcessorNode <K, V, ITimestampedKeyValueStore <K, VR> > statefulProcessorNode =
                new StatefulProcessorNode <K, V, ITimestampedKeyValueStore <K, VR> >(
                    functionName,
                    new ProcessorParameters <K, V>(aggregateSupplier, functionName),
                    storeBuilder);

            builder.AddGraphNode(node, statefulProcessorNode);

            return(new KTable <K, V, VR>(functionName,
                                         keySerdes,
                                         valueSerdes,
                                         sourceName.Equals(name) ? sourceNodes : sourceName.ToSingle().ToList(),
                                         queryableStoreName,
                                         aggregateSupplier,
                                         statefulProcessorNode,
                                         builder));
        }
Exemplo n.º 3
0
        public KStream <K, VR> Join <K, V, V0, VR>(
            KStream <K, V> joinLeft,
            KStream <K, V0> joinRight,
            IValueJoiner <V, V0, VR> joiner,
            JoinWindowOptions windows,
            StreamJoinProps <K, V, V0> joined)
        {
            var named           = new Named(joined.Name);
            var joinLeftSuffix  = rightOuter ? "-outer-this-join" : "-this-join";
            var joinRightSuffix = leftOuter ? "-outer-other-join" : "-other-join";

            var leftWindowStreamProcessorName  = named.SuffixWithOrElseGet("-this-windowed", builder, KStream.WINDOWED_NAME);
            var rightWindowStreamProcessorName = named.SuffixWithOrElseGet("-other-windowed", builder, KStream.WINDOWED_NAME);

            var joinLeftGeneratedName  = rightOuter ? builder.NewProcessorName(KStream.OUTERTHIS_NAME) : builder.NewProcessorName(KStream.JOINTHIS_NAME);
            var joinRightGeneratedName = leftOuter ? builder.NewProcessorName(KStream.OUTEROTHER_NAME) : builder.NewProcessorName(KStream.JOINOTHER_NAME);

            var joinLeftName  = named.SuffixWithOrElseGet(joinLeftSuffix, joinLeftGeneratedName);
            var joinRightName = named.SuffixWithOrElseGet(joinRightSuffix, joinRightGeneratedName);

            var joinMergeName = named.SuffixWithOrElseGet("-merge", builder, KStream.MERGE_NAME);

            StreamGraphNode leftStreamsGraphNode      = joinLeft.Node;
            StreamGraphNode rightStreamsGraphNode     = joinRight.Node;
            var             userProvidedBaseStoreName = joined.StoreName;

            var leftStoreSupplier  = joined.LeftStoreSupplier;
            var rightStoreSupplier = joined.RightStoreSupplier;

            StoreBuilder <WindowStore <K, V> >  leftWindowStore;
            StoreBuilder <WindowStore <K, V0> > rightWindowStore;

            AssertUniqueStoreNames(leftStoreSupplier, rightStoreSupplier);

            if (leftStoreSupplier == null)
            {
                var thisJoinStoreName = userProvidedBaseStoreName == null ? joinLeftGeneratedName : userProvidedBaseStoreName + joinLeftSuffix;
                leftWindowStore = JoinWindowStoreBuilder(thisJoinStoreName, windows, joined.KeySerdes, joined.LeftValueSerdes);
            }
            else
            {
                AssertWindowSettings(leftStoreSupplier, windows);
                leftWindowStore = Stores.WindowStoreBuilder(leftStoreSupplier, joined.KeySerdes, joined.LeftValueSerdes);
            }

            if (rightStoreSupplier == null)
            {
                var otherJoinStoreName = userProvidedBaseStoreName == null ? joinRightGeneratedName : userProvidedBaseStoreName + joinRightSuffix;
                rightWindowStore = JoinWindowStoreBuilder(otherJoinStoreName, windows, joined.KeySerdes, joined.RightValueSerdes);
            }
            else
            {
                AssertWindowSettings(rightStoreSupplier, windows);
                rightWindowStore = Stores.WindowStoreBuilder(rightStoreSupplier, joined.KeySerdes, joined.RightValueSerdes);
            }


            var leftStream       = new KStreamJoinWindow <K, V>(leftWindowStore.Name);
            var leftStreamParams = new ProcessorParameters <K, V>(leftStream, leftWindowStreamProcessorName);
            var leftNode         = new ProcessorGraphNode <K, V>(leftWindowStreamProcessorName, leftStreamParams);

            builder.AddGraphNode(leftStreamsGraphNode, leftNode);

            var rightStream       = new KStreamJoinWindow <K, V0>(rightWindowStore.Name);
            var rightStreamParams = new ProcessorParameters <K, V0>(rightStream, rightWindowStreamProcessorName);
            var rightNode         = new ProcessorGraphNode <K, V0>(rightWindowStreamProcessorName, rightStreamParams);

            builder.AddGraphNode(rightStreamsGraphNode, rightNode);

            var joinL       = new KStreamKStreamJoin <K, V, V0, VR>(joinLeftName, rightWindowStore.Name, windows.beforeMs, windows.afterMs, joiner, leftOuter);
            var joinLParams = new ProcessorParameters <K, V>(joinL, joinLeftName);
            var joinR       = new KStreamKStreamJoin <K, V0, V, VR>(joinRightName, leftWindowStore.Name, windows.beforeMs, windows.afterMs, joiner.Reverse(), rightOuter);
            var joinRParams = new ProcessorParameters <K, V0>(joinR, joinRightName);
            var merge       = new PassThrough <K, VR>();
            var mergeParams = new ProcessorParameters <K, VR>(merge, joinMergeName);

            var joinNode = new StreamStreamJoinNode <K, V, V0, VR>(
                joinMergeName,
                joiner,
                joinLParams,
                joinRParams,
                mergeParams,
                leftStreamParams,
                rightStreamParams,
                leftWindowStore,
                rightWindowStore,
                joined);

            builder.AddGraphNode(new List <StreamGraphNode> {
                leftStreamsGraphNode, rightStreamsGraphNode
            }, joinNode);

            ISet <string> allSourceNodes = new HashSet <string>(joinLeft.SetSourceNodes);

            allSourceNodes.AddRange(joinRight.SetSourceNodes);

            return(new KStream <K, VR>(
                       joinMergeName,
                       joined.KeySerdes,
                       null,
                       allSourceNodes.ToList(),
                       joinNode,
                       builder));
        }