| # 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. |
| |
| name: "stateful-windowing" |
| type: "heron" |
| |
| config: |
| topology.workers: 1 |
| topology.reliability.mode: "EFFECTIVELY_ONCE" |
| |
| components: |
| |
| - id: "windowLength" |
| className: "org.apache.heron.api.bolt.BaseWindowedBolt$Count" |
| constructorArgs: |
| - 5 |
| |
| - id: "slidingInterval" |
| className: "org.apache.heron.api.bolt.BaseWindowedBolt$Count" |
| constructorArgs: |
| - 3 |
| |
| spouts: |
| - id: "integer-spout" |
| className: "org.apache.heron.examples.eco.StatefulNumberSpout" |
| parallelism: 1 |
| |
| bolts: |
| - id: "stateful-window-sum-bolt" |
| className: "org.apache.heron.examples.eco.StatefulWindowSumBolt" |
| configMethods: |
| - name: "withWindow" |
| args: [ref: "windowLength", ref: "slidingInterval"] |
| parallelism: 1 |
| |
| |
| streams: |
| - from: "integer-spout" |
| to: "stateful-window-sum-bolt" |
| grouping: |
| type: SHUFFLE |