Package org.drools.core.reteoo

Examples of org.drools.core.reteoo.RightTupleMemory

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                              AccumulateMemory am,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples) {
        BetaMemory bm = am.getBetaMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        Accumulate accumulate = accNode.getAccumulate();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = accNode.getRawConstraints();

        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);

            FastIterator rightIt = accNode.getRightIterator(rtm);
            RightTuple rightTuple = accNode.getFirstRightTuple(leftTuple,
                                                               rtm,
                                                               null,
                                                               rightIt);

            LeftTuple childLeftTuple = leftTuple.getFirstChild();

            // first check our index (for indexed nodes only) hasn't changed and we are returning the same bucket
            // if rightTuple is null, we assume there was a bucket change and that bucket is empty
            if (childLeftTuple != null && rtm.isIndexed() && !rightIt.isFullIterator() && (rightTuple == null || (rightTuple.getMemory() != childLeftTuple.getRightParent().getMemory()))) {
                // our index has changed, so delete all the previous matchings
                removePreviousMatchesForLeftTuple(accNode,
                                                  accumulate,
                                                  leftTuple,
                                                  wm,
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    public void doRightDeletes(AccumulateNode accNode,
                               AccumulateMemory am,
                               InternalWorkingMemory wm,
                               RightTupleSets srcRightTuples,
                               LeftTupleSets trgLeftTuples) {
        RightTupleMemory rtm = am.getBetaMemory().getRightTupleMemory();
        Accumulate accumulate = accNode.getAccumulate();

        for (RightTuple rightTuple = srcRightTuples.getDeleteFirst(); rightTuple != null; ) {
            RightTuple next = rightTuple.getStagedNext();
            if (rightTuple.getMemory() != null) {
                // it may have been staged and never actually added
                rtm.remove(rightTuple);

                if (rightTuple.getFirstChild() != null) {
                    LeftTuple match = rightTuple.getFirstChild();

                    while (match != null) {
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                        bm = ((AccumulateMemory)wm.getNodeMemory( bn )).getBetaMemory();
                    } else {
                        bm = ( BetaMemory ) wm.getNodeMemory( bn );
                    }

                    RightTupleMemory rtm = bm.getRightTupleMemory();
                    FastIterator it = rtm.fullFastIterator();
                    for (RightTuple rightTuple = BetaNode.getFirstRightTuple(rtm, it); rightTuple != null; ) {
                        RightTuple next = (RightTuple) it.next(rightTuple);
                        rtm.remove(rightTuple);
                        rightTuple.unlinkFromRightParent();
                        rightTuple = next;
                    }

                    RightTupleSets srcRightTuples = bm.getStagedRightTuples().takeAll();
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                        bm = ((AccumulateMemory)wm.getNodeMemory( bn )).getBetaMemory();
                    } else {
                        bm = ( BetaMemory ) wm.getNodeMemory( bn );
                    }

                    RightTupleMemory rtm = bm.getRightTupleMemory();
                    FastIterator it = rtm.fullFastIterator();
                    for (RightTuple rightTuple = BetaNode.getFirstRightTuple(rtm, it); rightTuple != null; ) {
                        RightTuple next = (RightTuple) it.next(rightTuple);
                        rtm.remove(rightTuple);
                        rightTuple.unlinkFromRightParent();
                        rightTuple = next;
                    }

                    RightTupleSets srcRightTuples = bm.getStagedRightTuples().takeAll();
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                              BetaMemory bm,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples) {
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = existsNode.getRawConstraints();

        for (LeftTuple leftTuple = srcLeftTuples.getInsertFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();
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                               BetaMemory bm,
                               InternalWorkingMemory wm,
                               RightTupleSets srcRightTuples,
                               LeftTupleSets trgLeftTuples) {
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = existsNode.getRawConstraints();

        for (RightTuple rightTuple = srcRightTuples.getInsertFirst(); rightTuple != null; ) {
            RightTuple next = rightTuple.getStagedNext();

            rtm.add(rightTuple);
            if ( ltm == null || ltm.size() == 0 ) {
                // do nothing here, as no left memory
                rightTuple.clearStaged();
                rightTuple = next;
                continue;
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                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples,
                              LeftTupleSets stagedLeftTuples) {
        boolean tupleMemory = true;
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = existsNode.getRawConstraints();
        boolean leftUpdateOptimizationAllowed = existsNode.isLeftUpdateOptimizationAllowed();

        for (LeftTuple leftTuple = srcLeftTuples.getUpdateFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();

            FastIterator rightIt = existsNode.getRightIterator(rtm);

            RightTuple firstRightTuple = existsNode.getFirstRightTuple(leftTuple, rtm, null, rightIt);

            // If in memory, remove it, because we'll need to add it anyway if it's not blocked, to ensure iteration order
            RightTuple blocker = leftTuple.getBlocker();
            if (blocker == null) {
                if (leftTuple.getMemory() != null) { // memory can be null, if blocker was deleted in same do loop
                    ltm.remove(leftTuple);
                }
            } else {
                // check if we changed bucket
                if (rtm.isIndexed() && !rightIt.isFullIterator()) {
                    // if newRightTuple is null, we assume there was a bucket change and that bucket is empty
                    if (firstRightTuple == null || firstRightTuple.getMemory() != blocker.getMemory()) {
                        // we changed bucket, so blocker no longer blocks
                        blocker.removeBlocked(leftTuple);
                        blocker = null;
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                               InternalWorkingMemory wm,
                               RightTupleSets srcRightTuples,
                               LeftTupleSets trgLeftTuples,
                               LeftTupleSets stagedLeftTuples) {
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = existsNode.getRawConstraints();

        boolean iterateFromStart = existsNode.isIndexedUnificationJoin() || rtm.getIndexType().isComparison();

        for (RightTuple rightTuple = srcRightTuples.getUpdateFirst(); rightTuple != null; ) {
            RightTuple next = rightTuple.getStagedNext();

            FastIterator leftIt = existsNode.getLeftIterator(ltm);
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                               BetaMemory bm,
                               InternalWorkingMemory wm,
                               RightTupleSets srcRightTuples,
                               LeftTupleSets trgLeftTuples,
                               LeftTupleSets stagedLeftTuples) {
        RightTupleMemory rtm = bm.getRightTupleMemory();
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = existsNode.getRawConstraints();

        for (RightTuple rightTuple = srcRightTuples.getDeleteFirst(); rightTuple != null; ) {
            RightTuple next = rightTuple.getStagedNext();

            FastIterator it = existsNode.getRightIterator(rtm);

            boolean useComparisonIndex = rtm.getIndexType().isComparison();
            RightTuple rootBlocker = useComparisonIndex ? null : (RightTuple) it.next(rightTuple);

            if (rightTuple.getMemory() != null) {
                // it may have been staged and never actually added
                rtm.remove(rightTuple);
            }

            if (rightTuple.getBlocked() != null) {

                for (LeftTuple leftTuple = rightTuple.getBlocked(); leftTuple != null; ) {
                    LeftTuple temp = leftTuple.getBlockedNext();

                    leftTuple.clearBlocker();

                    if (leftTuple.getStagedType() == LeftTuple.UPDATE) {
                        // ignore, as it will get processed via left iteration. Children cannot be processed twice
                        leftTuple = temp;
                        continue;
                    }

                    constraints.updateFromTuple(contextEntry,
                                                wm,
                                                leftTuple);

                    if (useComparisonIndex) {
                        rootBlocker = rtm.getFirst(leftTuple, null, it);
                    }

                    // we know that older tuples have been checked so continue previously
                    for (RightTuple newBlocker = rootBlocker; newBlocker != null; newBlocker = (RightTuple) it.next(newBlocker)) {
                        if (constraints.isAllowedCachedLeft(contextEntry,
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                              BetaMemory bm,
                              InternalWorkingMemory wm,
                              LeftTupleSets srcLeftTuples,
                              LeftTupleSets trgLeftTuples) {
        LeftTupleMemory ltm = bm.getLeftTupleMemory();
        RightTupleMemory rtm = bm.getRightTupleMemory();
        ContextEntry[] contextEntry = bm.getContext();
        BetaConstraints constraints = notNode.getRawConstraints();

        for (LeftTuple leftTuple = srcLeftTuples.getInsertFirst(); leftTuple != null; ) {
            LeftTuple next = leftTuple.getStagedNext();
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Related Classes of org.drools.core.reteoo.RightTupleMemory

  • org.drools.compiler.phreak.RightMemory
  • org.drools.compiler.phreak.Scenario
  • org.drools.core.phreak.AddRemoveRule
  • org.drools.core.phreak.PhreakAccumulateNode
  • org.drools.core.phreak.PhreakExistsNode
  • org.drools.core.phreak.PhreakJoinNode
  • org.drools.core.phreak.PhreakNotNode
  • org.drools.core.phreak.RuleNetworkEvaluator
  • org.drools.core.reteoo.test.ReteDslTestEngine
  • org.drools.reteoo.nodes.ReteAccumulateNode
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