Examples of org.drools.core.reteoo.RightInputAdapterNode

org.drools.core.reteoo.RightInputAdapterNode
When joining a subnetwork into the main network again, RightInputAdapterNode adapts the subnetwork's tuple into a fact in order right join it with the tuple being propagated in the main network.


        JoinNode cheeseJoin = ( JoinNode ) oSinks[0];
        LeftTupleSink[] ltSinks = cheeseJoin.getSinkPropagator().getSinks();


        assertEquals( 1, ltSinks.length );
        RightInputAdapterNode rian = ( RightInputAdapterNode ) ltSinks[0];
        assertEquals( 2, rian.getSinkPropagator().size() );   //  RiaNode is shared, if this has two outputs


        wm.insert(new Cheese("stilton", 10));
        wm.insert( new Person( "Alice", "brie" ) );
        wm.insert( new Person( "Bob", "stilton" ) );

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                    Memory memory = wm.getNodeMemory((MemoryFactory) sink);
                    if (sink.getType() == NodeTypeEnums.RightInputAdaterNode) {
                        PathMemory riaPmem = ((RiaNodeMemory)memory).getRiaPathMemory();
                        smem.getNodeMemories().add( riaPmem );


                        RightInputAdapterNode rian = ( RightInputAdapterNode ) sink;
                        ObjectSink[] nodes = rian.getSinkPropagator().getSinks();
                        for ( ObjectSink node : nodes ) {
                            if ( NodeTypeEnums.isLeftTupleSource(node) )  {
                                SegmentMemory parentSmem = createSegmentMemory( (LeftTupleSource) node, wm );
                            }
                        }

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        // and bm.getSegmentMemory == null check can be used to avoid recursion.
        bm.setSegmentMemory(smem);


        if (betaNode.isRightInputIsRiaNode()) {
            // Iterate to find outermost rianode
            RightInputAdapterNode riaNode = (RightInputAdapterNode) betaNode.getRightInput();
            //riaNode = getOuterMostRiaNode(riaNode, betaNode.getLeftTupleSource());


            // Iterat
            LeftTupleSource subnetworkLts = riaNode.getLeftTupleSource();
            while (subnetworkLts.getLeftTupleSource() != riaNode.getStartTupleSource()) {
                subnetworkLts = subnetworkLts.getLeftTupleSource();
            }


            Memory rootSubNetwokrMem = wm.getNodeMemory((MemoryFactory) subnetworkLts);
            SegmentMemory subNetworkSegmentMemory = rootSubNetwokrMem.getSegmentMemory();

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            sink = (LeftTupleSink)node;
        }


        Queue<TupleEntry> queue = null;
        if (NodeTypeEnums.RightInputAdaterNode == sink.getType()) {
            RightInputAdapterNode rian = (RightInputAdapterNode) sink;
            RiaNodeMemory riaMem =  (RiaNodeMemory) wm.getNodeMemory((MemoryFactory)sink);
            RiaPathMemory pmem = riaMem.getRiaPathMemory();


            queue = pmem.getTupleQueue();
            if ( queue == null ) {
                ObjectSink[] nodes = rian.getSinkPropagator().getSinks();
                // iterate the first child sink, we only need the first, as all reach the same outer rtn
                queue = initAndGetTupleQueue((LeftTupleSource) nodes[0], wm);
            }
        } else if (NodeTypeEnums.isTerminalNode(sink)) {
            PathMemory pmem =  (PathMemory) wm.getNodeMemory((MemoryFactory) sink);

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                                                              final BuildContext context) {
        throw new UnsupportedOperationException();
    }


    public RightInputAdapterNode buildRightInputNode( int id, LeftTupleSource leftInput, LeftTupleSource startTupleSource, BuildContext context ) {
        return new RightInputAdapterNode( id, leftInput, startTupleSource, context );
    }

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                       source );


        // if object source is null, then we need to adapt tuple source into a subnetwork
        if ( context.getObjectSource() == null ) {
            // attach right input adapter node to convert tuple source into an object source
            RightInputAdapterNode riaNode = context.getComponentFactory().getNodeFactoryService().buildRightInputNode( context.getNextId(),
                                                                                                                       context.getTupleSource(),
                                                                                                                       tupleSource,
                                                                                                                       context );


            // attach right input adapter node to convert tuple source into an object source

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                           utils,
                           child );


            // if it is a subnetwork
            if ( context.getObjectSource() == null && context.getTupleSource() != null ) {
                RightInputAdapterNode riaNode = context.getComponentFactory().getNodeFactoryService().buildRightInputNode(context.getNextId(),
                                                                                                                          context.getTupleSource(),
                                                                                                                          tupleSource,
                                                                                                                          context);


                // attach right input adapter node to convert tuple source into an object source

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                           utils,
                           child );


            // if it is a subnetwork
            if ( context.getObjectSource() == null && context.getTupleSource() != null ) {
                RightInputAdapterNode riaNode = context.getComponentFactory().getNodeFactoryService().buildRightInputNode( context.getNextId(),
                                                                                                                           context.getTupleSource(),
                                                                                                                           tupleSource,
                                                                                                                           context );


                // attach right input adapter node to convert tuple source into an object source

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    private static ProtobufMessages.NodeMemory writeRIANodeMemory(final int nodeId,
                                                                  final MarshallerWriteContext context, 
                                                                  final BaseNode node,
                                                                  final NodeMemories memories,
                                                                  final Memory memory) {
        RightInputAdapterNode riaNode = (RightInputAdapterNode) node;


        ObjectSink[] sinks = riaNode.getSinkPropagator().getSinks();
        BetaNode betaNode = (BetaNode) sinks[0];


        Memory betaMemory = memories.peekNodeMemory( betaNode.getId() );
        if ( betaMemory == null ) {
            return null;

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             LeftTupleSource lts;
             LeftTupleSource startRianLts = null;
             if ( NodeTypeEnums.isTerminalNode(pmem.getNetworkNode())) {
                 lts = ((TerminalNode)pmem.getNetworkNode()).getLeftTupleSource();
             } else {
                 RightInputAdapterNode rian = (RightInputAdapterNode)pmem.getNetworkNode();
                 startRianLts = rian.getStartTupleSource();
                 lts = rian.getLeftTupleSource();
             }
             AbstractTerminalNode.initPathMemory(pmem, lts, startRianLts, wm, removingRule); // re-initialise the PathMemory
         }
         return previousSmems;
     }

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