private static Tuple3<Set<Object>, Set<PathSpec>, Boolean> reduceFields(Tuple3<Set<Object>, Set<PathSpec>, Boolean> state,
      Request<?> request) {
    if (request instanceof GetRequest || request instanceof BatchRequest) {
      final Set<PathSpec> requestFields = request.getFields();
      if (requestFields != null && !requestFields.isEmpty()) {
        if (state._2() != null) {
          state._2().addAll(requestFields);
        }
        return state;
      } else {
        return Tuples.tuple(state._1(), null, state._3());
      }
    } else {
      throw unsupportedGetRequestType(request);
    }
  }
private static Tuple3<Set<Object>, Set<PathSpec>, Boolean> reduceFields(Tuple3<Set<Object>, Set<PathSpec>, Boolean> state,
      Request<?> request) {
    if (request instanceof GetRequest || request instanceof BatchRequest) {
      final Set<PathSpec> requestFields = request.getFields();
      if (requestFields != null && !requestFields.isEmpty()) {
        if (state._2() != null) {
          state._2().addAll(requestFields);
        }
        return state;
      } else {
        return Tuples.tuple(state._1(), null, state._3());
      }
    } else {
      throw unsupportedGetRequestType(request);
    }
  }
private static Tuple3 < Set < Object > , Set < PathSpec > , Boolean > reduceFields ( Tuple3 < Set < Object > , Set < PathSpec > , Boolean > state , Request < ? > request ) { if ( request instanceof GetRequest || request instanceof BatchRequest ) { final Set < PathSpec > requestFields = request . getFields ( ) ; if ( requestFields != null && ! requestFields . isEmpty ( ) ) { if ( state . _2 ( ) != null ) { state . _2 ( ) . addAll ( requestFields ) ; } return state ; } else { return Tuples . tuple ( state . _1 ( ) , null , state . _3 ( ) ) ; } } else { throw unsupportedGetRequestType ( request ) ; } }
Tuple3: (keys, fields, contains-batch-get)
Tuple3 : ( keys fields contains - batch - get )