mariofusco commented on code in PR #6488:
URL:
https://github.com/apache/incubator-kie-drools/pull/6488#discussion_r2433052967
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drools-core/src/main/java/org/drools/core/reteoo/SegmentMemory.java:
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@@ -282,32 +297,77 @@ public void addPathMemory(PathMemory pathMemory) {
}
}
+ public void splitBitMasks(SegmentMemory sm, int pos) {
+ int splitPos = pos + 1; // +1 as zero based
+ long currentAllLinkedMaskTest = allLinkedMaskTest;
+ long currentLinkedNodeMask = linkedNodeMask;
+ long mask = (1L << splitPos) - 1;
+
+ this.allLinkedMaskTest = mask & currentAllLinkedMaskTest;
+ this.linkedNodeMask = linkedNodeMask & allLinkedMaskTest;
+
+ mask = currentAllLinkedMaskTest >> splitPos;
+ sm.allLinkedMaskTest = mask;
+ sm.linkedNodeMask = mask & (currentLinkedNodeMask >> splitPos);
+ }
+
+ public void splitBitMasks(SegmentMemory sm, long currentLinkedNodeMask) {
+ // @TODO Haven't made this work for more than 64 nodes, as per
SegmentUtilities.nextNodePosMask (mdp)
+ int splitPos = proto.getNodesInSegment().length; // +1 as zero based
+ long currentDirtyNodeMask = dirtyNodeMask;
+ long splitMask = ((1L << (splitPos)) - 1);
+
+ this.dirtyNodeMask = currentDirtyNodeMask & splitMask;
+ this.linkedNodeMask = currentLinkedNodeMask & splitMask;
+
+ sm.linkedNodeMask = currentLinkedNodeMask >> splitPos;
+ sm.dirtyNodeMask = currentDirtyNodeMask >> splitPos;
+ }
+
+ public void mergeBitMasks(SegmentMemory sm) {
+ long mask = sm.allLinkedMaskTest << sm.nodeMemories.length;
+ this.allLinkedMaskTest = mask & allLinkedMaskTest;
+
+ mask = sm.allLinkedMaskTest << sm.nodeMemories.length;
Review Comment:
If so it's weird that we this has never caused a problem? Are you sure that
this method is used at all?
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