public double expected_yield(int count) { if (count > 10) return 0.0; if (nodeNumber.intValue() == 0) return 1.0; Integer parent = MainClass.objectMaintainer.getParent(nodeNumber); if (parent == null) return 0.0; NodeInfo parentni = (NodeInfo) MainClass.sensorAnalyzer.proprietaryNodeInfo.get(parent); if (parentni == null) return 0.0; return link_quality * parentni.expected_yield(count + 1); }