Package org.drools.reteoo.AccumulateNode

Examples of org.drools.reteoo.AccumulateNode.AccumulateContext

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        if ( accmem.betaMemory.getLeftTupleMemory().size() > 0 ) {
            ProtobufMessages.NodeMemory.AccumulateNodeMemory.Builder _accumulate = ProtobufMessages.NodeMemory.AccumulateNodeMemory.newBuilder();

            final org.drools.core.util.Iterator tupleIter = accmem.betaMemory.getLeftTupleMemory().iterator();
            for ( LeftTuple leftTuple = (LeftTuple) tupleIter.next(); leftTuple != null; leftTuple = (LeftTuple) tupleIter.next() ) {
                AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                if ( accctx.result != null ) {
                    FactHandle _handle = ProtobufMessages.FactHandle.newBuilder()
                            .setId( accctx.result.getFactHandle().getId() )
                            .setRecency( accctx.result.getFactHandle().getRecency() )
                            .build();
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            }
            case NodeTypeEnums.AccumulateNode : {
                //context.out.println( ".... AccumulateNode" );
                // accumulate nodes generate new facts on-demand and need special procedures when serializing to persistent storage
                AccumulateMemory memory = (AccumulateMemory) context.wm.getNodeMemory( (BetaNode) sink );
                AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                // first we serialize the generated fact handle
                writeFactHandle( context,
                                 stream,
                                 context.objectMarshallingStrategyStore,
                                 accctx.result.getFactHandle() );
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            for ( LeftTuple leftTuple = srcLeftTuples.getInsertFirst(); leftTuple != null; ) {
                LeftTuple next = leftTuple.getStagedNext();
                PropagationContext context = leftTuple.getPropagationContext();
               
                AccumulateContext accresult = new AccumulateContext();

                boolean useLeftMemory = true;
                if ( !tupleMemoryEnabled ) {
                    // This is a hack, to not add closed DroolsQuery objects
                    Object object = ((InternalFactHandle) leftTuple.get( 0 )).getObject();
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                FastIterator leftIt = accNode.getLeftIterator( ltm );
               
                for ( LeftTuple leftTuple = accNode.getFirstLeftTuple( rightTuple, ltm, context, leftIt ); leftTuple != null; leftTuple = (LeftTuple) leftIt.next( leftTuple ) ) {
                    if ( constraints.isAllowedCachedRight( contextEntry,
                                                           leftTuple ) ) {
                        final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                        addMatch( accNode,
                                  accumulate,
                                  leftTuple,
                                  rightTuple,
                                  null,
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            BetaConstraints constraints = accNode.getRawConstraints();
            FastIterator rightIt = accNode.getRightIterator( rtm );

            for ( LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
                LeftTuple next = leftTuple.getStagedNext();
                final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                PropagationContext context = leftTuple.getPropagationContext();

                constraints.updateFromTuple( contextEntry,
                                             wm,
                                             leftTuple );
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                    if (constraints.isAllowedCachedRight( bm.getContext(),
                                                          leftTuple ) ) {
                        if ( leftTuple.getStagedType() == LeftTuple.NONE ) {
                            trgLeftTuples.addUpdate( leftTuple );
                        }                       
                        final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                        // add a new match
                        addMatch( accNode,
                                  accumulate,
                                  leftTuple,
                                  rightTuple,
                                  null,
                                  null,
                                  wm,
                                  am,
                                  accctx,
                                  true );
                    }
                }
            } else {
                // in the same bucket, so iterate and compare
                for ( ; leftTuple != null; leftTuple = (LeftTuple) leftIt.next( leftTuple ) ) {                   
                    if ( constraints.isAllowedCachedRight( bm.getContext(),
                                                          leftTuple ) ) { 
                        if ( leftTuple.getStagedType() == LeftTuple.NONE ) {
                            trgLeftTuples.addUpdate( leftTuple );
                        } 
                        final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                        LeftTuple temp = null;
                        if ( childLeftTuple != null && childLeftTuple.getLeftParent() == leftTuple ) {
                            temp = childLeftTuple.getRightParentNext();
                            // we must re-add this to ensure deterministic iteration                           
                            removeMatch( accNode,
                                         accumulate,
                                         rightTuple,
                                         childLeftTuple,
                                         wm,
                                         am,
                                         accctx,
                                         true );
                            childLeftTuple = temp;
                        }
                        // add a new match
                        addMatch( accNode,
                                  accumulate,
                                  leftTuple,
                                  rightTuple,
                                  null,
                                  childLeftTuple,
                                  wm,
                                  am,
                                  accctx,
                                  true );
                        if ( temp != null ) {
                            childLeftTuple = temp;
                        }
                    } else if ( childLeftTuple != null && childLeftTuple.getLeftParent() == leftTuple ) {
                        if ( leftTuple.getStagedType() == LeftTuple.NONE ) {
                            trgLeftTuples.addUpdate( leftTuple );
                        } 
                       
                        LeftTuple temp = childLeftTuple.getRightParentNext();
                        final AccumulateContext accctx = (AccumulateContext)leftTuple.getObject();
                        // remove the match
                        removeMatch( accNode,
                                     accumulate,
                                     rightTuple,
                                     childLeftTuple,
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                if ( leftTuple.getMemory() != null ) {
                    // it may have been staged and never actually added
                    ltm.remove( leftTuple );
   
               
                    final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                    leftTuple.setObject( null );
   
                    removePreviousMatchesForLeftTuple( accNode,
                                                       accumulate,
                                                       leftTuple,
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                        while ( match != null ) {
                            LeftTuple nextLeft = match.getRightParentNext();;

                            LeftTuple leftTuple = match.getLeftParent();
                            final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                            removeMatch(accNode, accumulate, rightTuple, match, wm, am, accctx, true );  
                         
                            if ( leftTuple.getStagedType() == LeftTuple.NONE ) {
                                  trgLeftTuples.addUpdate( leftTuple);
                            }
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                                                               final LeftTupleSets trgLeftTuples) {
           for ( LeftTuple match = firstChild; match != null; ) {
               final LeftTuple next = match.getRightParentNext();
              
               final LeftTuple leftTuple = match.getLeftParent();
               final AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
               removeMatch( accNode,
                            accumulate,
                            rightTuple,
                            match,
                            workingMemory,
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            case NodeTypeEnums.AccumulateNode : {
                writeBehaviours( (BetaNode) sink, context);
                //context.out.println( ".... AccumulateNode" );
                // accumulate nodes generate new facts on-demand and need special procedures when serializing to persistent storage
                AccumulateMemory memory = (AccumulateMemory) context.wm.getNodeMemory( (BetaNode) sink );
                AccumulateContext accctx = (AccumulateContext) leftTuple.getObject();
                // first we serialize the generated fact handle
                writeFactHandle( context,
                                 stream,
                                 context.objectMarshallingStrategyStore,
                                 accctx.result.getFactHandle() );
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Related Classes of org.drools.reteoo.AccumulateNode.AccumulateContext

  • org.drools.core.util.debug.AccumulateNodeVisitor
  • org.drools.marshalling.impl.InputMarshaller
  • org.drools.marshalling.impl.OutputMarshaller
  • org.drools.marshalling.impl.ProtobufOutputMarshaller
  • org.drools.marshalling.InputMarshaller
  • org.drools.marshalling.OutputMarshaller
  • org.drools.phreak.RuleNetworkEvaluatorActivation$PhreakAccumulateNode
  • org.drools.reteoo.ReteooWorkingMemory$EvaluateResultConstraints
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