String stateId = state._node.stateInfo.id;
Node n = new ProcessorNode(_topology.getUniqueStreamId(),
_name,
TridentUtils.fieldsConcat(getOutputFields(), functionFields),
functionFields,
new StateQueryProcessor(stateId, inputFields, function));
_topology._colocate.get(stateId).add(n);
return _topology.addSourcedNode(this, n);
}