| #!/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. |
| |
| '''module for example task hook''' |
| from collections import Counter |
| import logging |
| |
| from heronpy.api.task_hook import ITaskHook |
| |
| # pylint: disable=unused-argument |
| class TestTaskHook(ITaskHook): |
| """TestTaskHook logs event information every 10000 times""" |
| CONST = 10000 |
| |
| def prepare(self, conf, context): |
| self.logger = logging.getLogger() |
| self.logger.info("In prepare of TestTaskHook") |
| self.counter = Counter() |
| |
| # pylint: disable=no-self-use |
| def clean_up(self): |
| self.logger.info("In clean_up of TestTaskHook") |
| |
| def emit(self, emit_info): |
| self.counter['emit'] += 1 |
| if self.counter['emit'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: emitted %s tuples", str(self.counter['emit'])) |
| |
| def spout_ack(self, spout_ack_info): |
| self.counter['sp_ack'] += 1 |
| if self.counter['sp_ack'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: spout acked %s tuples", str(self.counter['sp_ack'])) |
| |
| def spout_fail(self, spout_fail_info): |
| self.counter['sp_fail'] += 1 |
| if self.counter['sp_fail'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: spout failed %s tuples", str(self.counter['sp_fail'])) |
| |
| def bolt_execute(self, bolt_execute_info): |
| self.counter['bl_exec'] += 1 |
| if self.counter['bl_exec'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: bolt executed %s tuples", str(self.counter['bl_exec'])) |
| |
| def bolt_ack(self, bolt_ack_info): |
| self.counter['bl_ack'] += 1 |
| if self.counter['bl_ack'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: bolt acked %s tuples", str(self.counter['bl_ack'])) |
| |
| def bolt_fail(self, bolt_fail_info): |
| self.counter['bl_fail'] += 1 |
| if self.counter['bl_fail'] % self.CONST == 0: |
| self.logger.info("TestTaskHook: bolt failed %s tuples", str(self.counter['bl_fail'])) |