import json
import re
import logging
import sys
from collections import Counter
from pyflink.datastream import StreamExecutionEnvironment, RuntimeExecutionMode, WindowFunction
from pyflink.datastream import DataStream, StreamExecutionEnvironment
from pyflink.datastream.functions import RuntimeContext, FlatMapFunction, MapFunction
from pyflink.common.typeinfo import Types
from pyflink.common import ExecutionMode


s_env = StreamExecutionEnvironment.get_execution_environment()
config=(s_env.get_config())
print(config.set_execution_mode(ExecutionMode.BATCH))