stateRW.md

StateRW class

StateRW is a class to help stateful functions to access state data stored in DesFaaS.

Here is an example of page visit conter application to use StateRW to connect with DesFaaS about OpenFaaS stateful functions.

import os

from .state_RW.state import StateRW

def handle(req):
    function_name = os.getenv("function_name")

    # Initial the StateRW class
    state = StateRW(function_name)
    
    # Read state data
    count = state.state_read()
    
    # Update state data
    count += 1

    # Write state data
    state.state_write(count)

    # Function return value
    return count