PythonGatewayServer (Flink : Python 2.0-preview1 API)

java.lang.Object
- org.apache.flink.client.python.PythonGatewayServer

```
public class PythonGatewayServer
extends Object
```
The Py4j Gateway Server provides RPC service for user's python process.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static interface PythonGatewayServer.Watchdog
  A simple watch dog interface.
- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static PythonGatewayServer.Watchdog watchdog
  This watchdog object is provided to Python side to check whether its parent process is alive.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  PythonGatewayServer()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static void main(String[] args)
  Main method to start a local GatewayServer on a ephemeral port.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - watchdog
```
public static PythonGatewayServer.Watchdog watchdog
```
    This watchdog object is provided to Python side to check whether its parent process is alive.
- Constructor Detail
  - PythonGatewayServer
```
public PythonGatewayServer()
```
- Method Detail
  - main
```
public static void main(String[] args)
                 throws IOException,
                        ExecutionException,
                        InterruptedException
```
    Main method to start a local GatewayServer on a ephemeral port. It tells python side via a file.
    See: py4j.GatewayServer.main()
    
    Throws:
    
    IOException
    
    ExecutionException
    
    InterruptedException