| ################################################################################ |
| # 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. |
| ################################################################################ |
| import time |
| |
| from pyflink.java_gateway import get_gateway |
| |
| |
| if __name__ == '__main__': |
| # just a daemon process used to serve the rpc call from Java. |
| gateway = get_gateway() |
| watchdog = gateway.jvm.org.apache.flink.client.python.PythonGatewayServer.watchdog |
| try: |
| while watchdog.ping(): |
| time.sleep(1) |
| finally: |
| get_gateway().close() |
| exit(0) |