| # |
| # 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 time |
| from pulsar import Function |
| |
| # Example function that uses the built in publish function in the context |
| # to publish to a desired topic based on config |
| class TypedMessageBuilderPublish(Function): |
| def __init__(self): |
| pass |
| |
| def process(self, input, context): |
| publish_topic = "publishtopic" |
| if "publish-topic" in context.get_user_config_map(): |
| publish_topic = context.get_user_config_value("publish-topic") |
| context.publish(publish_topic, input + '!', |
| message_conf={"properties": {k: v for d in [{"input_topic" : context.get_current_message_topic_name()}, context.get_message_properties()] for k, v in d.items()}, |
| "partition_key": context.get_partition_key(), |
| "event_timestamp": int(time.time())}) |
| return |