text: from hazelcast.serialization.bits import *
  from hazelcast.protocol.client_message import ClientMessage
  from hazelcast.protocol.custom_codec import *
  from hazelcast.util import ImmutableLazyDataList
  from hazelcast.protocol.codec.atomic_long_message_type import *
  
  REQUEST_TYPE = ATOMICLONG_ALTERANDGET
  RESPONSE_TYPE = 103
  RETRYABLE = False
  
  
  def calculate_size(name, function):
      """ Calculates the request payload size"""
      data_size = 0
      data_size += calculate_size_str(name)
      data_size += calculate_size_data(function)
      return data_size
  
  
  def encode_request(name, function):
      """ Encode request into client_message"""
      client_message = ClientMessage(payload_size=calculate_size(name, function))
      client_message.set_message_type(REQUEST_TYPE)
      client_message.set_retryable(RETRYABLE)
      client_message.append_str(name)
      client_message.append_data(function)
      client_message.update_frame_length()
      return client_message
  
  
  def decode_response(client_message, to_object=None):
      """ Decode response from client message"""
      parameters = dict(response=None)
      parameters['response'] = client_message.read_long()
      return parameters
  
  
  
  