| # 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. |
| |
| import apache_beam as beam |
| |
| from log_elements import LogElements |
| |
| |
| class ExtractAndMultiplyNumbers(beam.PTransform): |
| |
| def expand(self, pcoll): |
| return (pcoll |
| | beam.FlatMap(lambda line: map(int, line.split(','))) |
| | beam.Map(lambda num: num * 10) |
| ) |
| |
| |
| with beam.Pipeline() as p: |
| |
| (p | beam.Create(['1,2,3,4,5', '6,7,8,9,10']) |
| | ExtractAndMultiplyNumbers() |
| | LogElements()) |
| |