protected void doVisit(NetworkNode node,
Stack<NetworkNode> nodeStack,
StatefulKnowledgeSessionInfo info) {
FromNode fn = (FromNode) node;
DefaultNodeInfo ni = (DefaultNodeInfo) info.getNodeInfo( node );
final FromMemory memory = (FromMemory) info.getSession().getNodeMemory( fn );
ni.setMemoryEnabled( true );
if( fn.isLeftTupleMemoryEnabled() ) {
ni.setTupleMemorySize( memory.betaMemory.getLeftTupleMemory().size() );