| # |
| # 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. |
| # |
| |
| |
| from pulsar import Function, SerDe |
| |
| class MyObject(object): |
| def __init__(self): |
| self.a = 0 |
| self.b = 0 |
| |
| class CustomSerDe(SerDe): |
| def __init__(self): |
| pass |
| |
| def serialize(self, object): |
| return ("%d,%d" % (object.a, object.b)).encode('utf-8') |
| |
| def deserialize(self, input_bytes): |
| split = str(input_bytes.decode()).split(',') |
| retval = MyObject() |
| retval.a = int(split[0]) |
| retval.b = int(split[1]) |
| return retval |
| |
| # Function that deals with custom objects |
| class CustomObjectFunction(Function): |
| def __init__(self): |
| pass |
| |
| def process(self, input, context): |
| retval = MyObject() |
| retval.a = input.a + 11 |
| retval.b = input.b + 24 |
| return retval |