Top

pulsar.functions module

#!/usr/bin/env python
#
# 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.
#

# -*- encoding: utf-8 -*-

Sub-modules

pulsar.functions.context

context.py: Context defines context information available during

processing of a request.

pulsar.functions.function

function.py: This is the core interface of the function api.

The process method is called for every message of the input topic of the

function. The incoming input bytes are deserialized using the serde.

The process function can optionally emit an output

pulsar.functions.serde

serde.py: SerDe defines the interface for serialization/deserialization.

Everytime a message is read from pulsar topic, the serde is invoked to

serialize the bytes into an object before invoking the process method.

Anytime a python object needs to be written back to pulsar, it is

serialized ...