private static TupleSets<LeftTuple> getTargetStagedLeftTuples(
NetworkNode node, InternalWorkingMemory wm, SegmentMemory smem) {
if (node == smem.getTipNode()) {
// we are about to process the segment tip, allow it to merge insert/update/delete clashes
if (smem.isEmpty()) {
SegmentUtilities.createChildSegments(
wm, smem, ((LeftTupleSource) node).getSinkPropagator());
}
return smem.getFirst().getStagedLeftTuples().takeAll();
} else {
return null;
}
}
public void innerEval(
LeftInputAdapterNode liaNode,
PathMemory pmem,
NetworkNode node,
long bit,
Memory nodeMem,
SegmentMemory[] smems,
int smemIndex,
TupleSets<LeftTuple> trgTuples,
InternalWorkingMemory wm,
LinkedList<StackEntry> stack,
boolean processRian,
RuleExecutor executor) {
TupleSets<LeftTuple> srcTuples;
SegmentMemory smem = smems[smemIndex];
TupleSets<LeftTuple> stagedLeftTuples = null;
while (true) {
srcTuples = trgTuples; // previous target, is now the source
if (log.isTraceEnabled()) {
int offset = getOffset(node);
log.trace(
"{} {} {} {}", indent(offset), ++cycle, node.toString(), srcTuples.toStringSizes());
}
boolean emptySrcTuples = srcTuples.isEmpty();
if (!(NodeTypeEnums.isBetaNode(node) && ((BetaNode) node).isRightInputIsRiaNode())) {
// The engine cannot skip a ria node, as the dirty might be several levels deep
if (emptySrcTuples && smem.getDirtyNodeMask() == 0) {
// empty sources and segment is not dirty, skip to non empty src tuples or dirty segment.
boolean foundDirty = false;
for (int i = ++smemIndex, length = smems.length; i < length; i++) {
if (log.isTraceEnabled()) {
int offset = getOffset(node);
log.trace("{} Skip Segment {}", indent(offset), i - 1);
}
// this is needed for subnetworks that feed into a parent network that has no right
// inputs,
// and may not yet be initialized
if (smem.isEmpty() && !NodeTypeEnums.isTerminalNode(smem.getTipNode())) {
SegmentUtilities.createChildSegments(
wm, smem, ((LeftTupleSource) smem.getTipNode()).getSinkPropagator());
}
smem = smems[i];
bit = 1;
srcTuples = smem.getStagedLeftTuples().takeAll();
emptySrcTuples = srcTuples.isEmpty();
node = smem.getRootNode();
nodeMem = smem.getNodeMemories().getFirst();
if (!emptySrcTuples
|| smem.getDirtyNodeMask() != 0
|| (NodeTypeEnums.isBetaNode(node) && ((BetaNode) node).isRightInputIsRiaNode())) {
// break if dirty or if we reach a subnetwork. It must break for subnetworks, so they
// can be searched.
foundDirty = true;
smemIndex = i;
break;
}
}
if (!foundDirty) {
break;
}
}
if (log.isTraceEnabled()) {
int offset = getOffset(node);
log.trace("{} Segment {}", indent(offset), smemIndex);
log.trace(
"{} {} {} {}", indent(offset), cycle, node.toString(), srcTuples.toStringSizes());
}
}
long dirtyMask = smem.getDirtyNodeMask();
if (emptySrcTuples) {
while ((dirtyMask & bit) == 0
&& node != smem.getTipNode()
&& !(NodeTypeEnums.isBetaNode(node) && ((BetaNode) node).isRightInputIsRiaNode())) {
if (log.isTraceEnabled()) {
int offset = getOffset(node);
log.trace("{} Skip Node {}", indent(offset), node);
}
bit = bit << 1; // shift to check the next node
node = ((LeftTupleSource) node).getSinkPropagator().getFirstLeftTupleSink();
nodeMem = nodeMem.getNext();
}
}
if (NodeTypeEnums.isTerminalNode(node)) {
TerminalNode rtn = (TerminalNode) node;
if (node.getType() == NodeTypeEnums.QueryTerminalNode) {
pQtNode.doNode((QueryTerminalNode) rtn, wm, srcTuples, stack);
} else {
pRtNode.doNode(rtn, wm, srcTuples, executor);
}
break;
} else if (NodeTypeEnums.RightInputAdaterNode == node.getType()) {
doRiaNode2(wm, srcTuples, (RightInputAdapterNode) node);
break;
}
stagedLeftTuples = getTargetStagedLeftTuples(node, wm, smem);
LeftTupleSinkNode sink = ((LeftTupleSource) node).getSinkPropagator().getFirstLeftTupleSink();
trgTuples =
evalNode(
liaNode,
pmem,
node,
bit,
nodeMem,
smems,
smemIndex,
wm,
stack,
processRian,
executor,
srcTuples,
smem,
stagedLeftTuples,
sink);
if (trgTuples == null) {
break; // Queries exists and has been placed StackEntry, and there are no current trgTuples
// to process
}
if (node != smem.getTipNode()) {
// get next node and node memory in the segment
node = sink;
nodeMem = nodeMem.getNext();
bit = bit << 1;
} else {
// Reached end of segment, start on new segment.
smem.getFirst().getStagedLeftTuples().addAll(stagedLeftTuples); // must put back all the LTs
// end of SegmentMemory, so we know that stagedLeftTuples is not null
SegmentPropagator.propagate(smem, trgTuples, wm);
bit = 1;
smem = smems[++smemIndex];
trgTuples = smem.getStagedLeftTuples().takeAll();
if (log.isTraceEnabled()) {
int offset = getOffset(node);
log.trace("{} Segment {}", indent(offset), smemIndex);
}
node = smem.getRootNode();
nodeMem = smem.getNodeMemories().getFirst();
}
processRian = true; // make sure it's reset, so ria nodes are processed
}
if (stagedLeftTuples != null && !stagedLeftTuples.isEmpty()) {
smem.getFirst().getStagedLeftTuples().addAll(stagedLeftTuples); // must put back all the LTs
}
}
