| #!/usr/bin/env python |
| # -*- 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. |
| |
| '''runner.py: module for creating Runner''' |
| |
| from heronpy.api.topology import TopologyBuilder |
| from heronpy.streamlet.builder import Builder |
| from heronpy.streamlet.config import Config |
| |
| class Runner(object): |
| """Runner is used to run a topology that is built by the builder. |
| It exports a sole function called run that takes care of constructing the topology |
| """ |
| def __init__(self): |
| """Nothing really""" |
| pass |
| |
| # pylint: disable=protected-access, no-self-use |
| def run(self, name, config, builder): |
| """Builds the topology and submits it""" |
| if not isinstance(name, str): |
| raise RuntimeError("Name has to be a string type") |
| if not isinstance(config, Config): |
| raise RuntimeError("config has to be a Config type") |
| if not isinstance(builder, Builder): |
| raise RuntimeError("builder has to be a Builder type") |
| bldr = TopologyBuilder(name=name) |
| builder.build(bldr) |
| bldr.set_config(config._api_config) |
| bldr.build_and_submit() |