org.apache.flink.python.env

Interface PythonEnvironmentManager

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

ProcessPythonEnvironmentManager

@Internal
public interface PythonEnvironmentManager
extends AutoCloseable

The base interface of python environment manager which is used to create the PythonEnvironment object and the RetrievalToken.

Method Summary

Modifier and Type	Method and Description
PythonEnvironment	createEnvironment() Creates the PythonEnvironment object used in PythonFunctionRunner.
String	createRetrievalToken() Creates the RetrievalToken used in PythonFunctionRunner.
String	getBootLog() Returns the boot log of the Python Environment.
void	open() Initialize the environment manager.

Methods inherited from interface java.lang.AutoCloseable

close

Method Detail

open

void open()
   throws Exception

Initialize the environment manager.

Throws:

Exception

createEnvironment

PythonEnvironment createEnvironment()
                             throws Exception

Creates the PythonEnvironment object used in PythonFunctionRunner.

Returns:

The PythonEnvironment object which represents the environment(process, docker, etc) the python worker would run in.

Throws:

Exception

createRetrievalToken

String createRetrievalToken()
                     throws Exception

Creates the RetrievalToken used in PythonFunctionRunner. It contains a list of files which need to transmit through ArtifactService provided by PythonFunctionRunner.

Returns:

The path of the RetrievalToken file.

Throws:

Exception

getBootLog

String getBootLog()
           throws Exception

Returns the boot log of the Python Environment.

Throws:

Exception