public void setupJoinNode() { buildContext = createContext(); joinNode = (JoinNode) BetaNodeBuilder.create(NodeTypeEnums.JoinNode, buildContext) .setLeftType(A.class) .setBinding("object", "$object") .setRightType(B.class) .setConstraint("object", "!=", "$object") .build(); sinkNode = new JoinNode(); sinkNode.setId(1); sinkNode.setConstraints(new EmptyBetaConstraints()); joinNode.addTupleSink(sinkNode); wm = (InternalWorkingMemory) buildContext.getRuleBase().newStatefulSession(true); bm = (BetaMemory) wm.getNodeMemory(joinNode); bm0 = (BetaMemory) wm.getNodeMemory(sinkNode); smem = new SegmentMemory(joinNode); bm.setSegmentMemory(smem); smem0 = new SegmentMemory(sinkNode); bm0.setSegmentMemory(smem0); smem.add(smem0); }