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

View Source
#!/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 -*-

# 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.
#
"""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
"""
from abc import abstractmethod

class Function(object):
  """Interface for Pulsar Function"""
  @abstractmethod
  def process(self, input, context):
    """Process input message"""
    pass
#   class Function:
View Source
class Function(object):
  """Interface for Pulsar Function"""
  @abstractmethod
  def process(self, input, context):
    """Process input message"""
    pass

Interface for Pulsar Function

#   Function()
#  
@abstractmethod
def process(self, input, context):
View Source
  @abstractmethod
  def process(self, input, context):
    """Process input message"""
    pass

Process input message