| #!/usr/bin/env python3 |
| # -*- encoding: utf-8 -*- |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| '''double tuples bolt''' |
| |
| from heronpy.api.bolt.bolt import Bolt |
| |
| class DoubleTuplesBolt(Bolt): |
| """Double tuples bolt |
| |
| Output fields are not declared within this class, so they need to be |
| provided from ``optional_outputs`` parameter in ``spec()``. |
| """ |
| # output fields need to be set by topology |
| def process(self, tup): |
| self.emit(tup.values) |
| self.emit(tup.values) |
