Rikkola commented on code in PR #7135:
URL: https://github.com/apache/incubator-kie/pull/7135#discussion_r4195652520


##########
drools-core/src/main/java/org/drools/core/reteoo/SingleObjectSinkAdapter.java:
##########
@@ -120,17 +121,36 @@ public void doUnlinkSubnetwork(ReteEvaluator 
reteEvaluator) {
     
     public static void staticDoUnlinkSubnetwork(ObjectSink sink, ReteEvaluator 
reteEvaluator) {
         BetaMemory bm;
+        BetaNode betaNode;
         if ( sink.getType() == NodeTypeEnums.AccumulateRightAdapterNode ) {
             AccumulateNode accnode = ((AccumulateRight)sink).getBetaNode();
             AccumulateMemory accMem = ( AccumulateMemory ) 
reteEvaluator.getNodeMemory( accnode );
             bm = accMem.getBetaMemory();
-        }  else {
-            BetaNode betaNode = ((RightInputAdapterNode) sink).getBetaNode();
+            betaNode = accnode;
+        } else {
+            betaNode = ((RightInputAdapterNode) sink).getBetaNode();
             bm = RightInputAdapterNode.getBetaMemoryFromRightInput(betaNode, 
reteEvaluator);
         }
 
-        if (sink.getType() == NodeTypeEnums.NotNode) {
-            bm.linkNode( ( BetaNode ) sink, reteEvaluator );
+        if (betaNode.getType() == NodeTypeEnums.NotNode) {
+            bm.linkNode(betaNode, reteEvaluator);

Review Comment:
   Not an issue.



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