Examples of org.drools.core.reteoo.LeftInputAdapterNode$LiaNodeMemory

org.drools.core.reteoo.LeftInputAdapterNode
All asserting Facts must propagated into the right ObjectSink side of a BetaNode, if this is the first Pattern then there are no BetaNodes to propagate to. LeftInputAdapter is used to adapt an ObjectSink propagation into a TupleSource which propagates a ReteTuple suitable fot the right ReteTuple side of a BetaNode.

            this.lock.lock();


            final PropagationContext pCtx = pctxFactory.createPropagationContext(getNextPropagationIdCounter(), PropagationContext.INSERTION,
                                                                                 null, null, factHandle, getEntryPoint());


            LeftInputAdapterNode lian = ( LeftInputAdapterNode ) factHandle.getFirstLeftTuple().getLeftTupleSink().getLeftTupleSource();
            LeftInputAdapterNode.LiaNodeMemory lmem = (LeftInputAdapterNode.LiaNodeMemory) getNodeMemory( (MemoryFactory) lian);
            SegmentMemory lsmem = lmem.getSegmentMemory();


            LeftTuple childLeftTuple = factHandle.getFirstLeftTuple(); // there is only one, all other LTs are peers
            LeftInputAdapterNode.doDeleteObject( childLeftTuple, childLeftTuple.getPropagationContext(),  lsmem, this, lian, false, lmem );

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        }


        @Override
        public void evauateAndFireRule() {
            SegmentMemory[] smems = pmem.getSegmentMemories();
            LeftInputAdapterNode lian = ( LeftInputAdapterNode ) smems[0].getRootNode();


            SegmentMemory sm = tm.getSegmentMemory();
            int smemIndex = 0;
            for (SegmentMemory smem : smems) {
                if (smem == sm) {

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            ksession.delete(fh);
            ksession.fireAllRules();
        }


        Rete rete = ((KnowledgeBaseImpl)kbase).getRete();
        LeftInputAdapterNode liaNode = null;
        for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
            if ( String.class == otn.getObjectType().getValueType().getClassType() ) {
                AlphaNode alphaNode = (AlphaNode)otn.getSinkPropagator().getSinks()[0];
                liaNode = (LeftInputAdapterNode)alphaNode.getSinkPropagator().getSinks()[0];
                break;

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            ksession.delete(fh);
            ksession.fireAllRules();
        }


        Rete rete = ((KnowledgeBaseImpl)kbase).getRete();
        LeftInputAdapterNode liaNode = null;
        for (ObjectTypeNode otn : rete.getObjectTypeNodes()) {
            if ( String.class == otn.getObjectType().getValueType().getClassType() ) {
                AlphaNode alphaNode = (AlphaNode)otn.getSinkPropagator().getSinks()[0];
                liaNode = (LeftInputAdapterNode)alphaNode.getSinkPropagator().getSinks()[0];
                break;

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        } else {
            throw new IllegalArgumentException( "Cannot execute arguments " + args );
        }
        ObjectTypeNode otn = (ObjectTypeNode) context.get( source );


        LeftInputAdapterNode liaNode = new LeftInputAdapterNode( buildContext.getNextId(),
                                                                 otn,
                                                                 buildContext );
        liaNode.attach(buildContext);
        context.put( name,
                     liaNode );
    }

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        str += "    lian0, otn1;";


        NodeTestResult result = executeTest( str );


        ObjectTypeNode otn1 = (ObjectTypeNode) result.context.get( "otn1" );
        LeftInputAdapterNode lian0 = (LeftInputAdapterNode) result.context.get( "lian0" );
        assertNotNull( lian0 );


        assertSame( lian0,
                    otn1.getSinkPropagator().getSinks()[0] );
    }

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    public int evaluateNetwork(PathMemory pmem, LinkedList<StackEntry> outerStack, RuleExecutor executor, InternalWorkingMemory wm) {
        SegmentMemory[] smems = pmem.getSegmentMemories();


        int smemIndex = 0;
        SegmentMemory smem = smems[smemIndex]; // 0
        LeftInputAdapterNode liaNode = (LeftInputAdapterNode) smem.getRootNode();


        NetworkNode node;
        Memory nodeMem;
        if (liaNode == smem.getTipNode()) {
            // segment only has liaNode in it
            // nothing is staged in the liaNode, so skip to next segment           
            smem = smems[++smemIndex]; // 1
            node = smem.getRootNode();
            nodeMem = smem.getNodeMemories().getFirst();
        } else {
            // lia is in shared segment, so point to next node
            node = liaNode.getSinkPropagator().getFirstLeftTupleSink();
            nodeMem = smem.getNodeMemories().getFirst().getNext(); // skip the liaNode memory
        }


        LeftTupleSets srcTuples = smem.getStagedLeftTuples().takeAll(); // need to takeAll, as this is taken alpha network

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                                              BetaConstraints resultBinder, Accumulate accumulate, boolean unwrapRightObject, BuildContext context ) {
        return new AccumulateNode( id, leftInput, rightInput, resultConstraints, sourceBinder,resultBinder, accumulate, unwrapRightObject, context );
    }


    public LeftInputAdapterNode buildLeftInputAdapterNode( int id, ObjectSource objectSource, BuildContext context ) {
        return new LeftInputAdapterNode( id, objectSource, context );
    }

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         // stages the LeftTuples for deletion in the target SegmentMemory, if necessary it looks up the nodes to find.
         processLeftTuples(splitStartNode, sink, sm, wm, false);


         RuleNetworkEvaluator rne = new RuleNetworkEvaluator();
         LeftInputAdapterNode lian = ( LeftInputAdapterNode ) smems[0].getRootNode();
         LinkedList<StackEntry> stack = new LinkedList<StackEntry>();
         LinkedList<StackEntry> outerStack = new LinkedList<StackEntry>();
         Set<String> visitedRules = new HashSet<String>();

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        final PropagationContext pctx = new PropagationContextImpl(wm.getNextPropagationIdCounter(),
                                                                   PropagationContext.RULE_ADDITION,
                                                                   null,
                                                                   null,
                                                                   null);
        LeftInputAdapterNode lian = (LeftInputAdapterNode) startNode;
        RightTupleSinkAdapter liaAdapter = new RightTupleSinkAdapter(lian);
        lian.getObjectSource().updateSink(liaAdapter, pctx, wm);
    }

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Related Classes of org.drools.core.reteoo.LeftInputAdapterNode$LiaNodeMemory

org.drools.compiler.integrationtests.AlphaNetworkModifyTest

org.drools.compiler.integrationtests.Misc2Test

org.drools.compiler.integrationtests.PassiveQueryTest

org.drools.compiler.integrationtests.PropertySpecificTest

org.drools.compiler.phreak.AddRuleTest

org.drools.compiler.phreak.BetaNodeBuilder

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org.drools.core.common.AbstractWorkingMemory

org.drools.core.common.LeftTupleSets

org.drools.core.common.PhreakActivationIterator

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