org.apache.flink.python.env

类 AbstractPythonEnvironmentManager

java.lang.Object

org.apache.flink.python.env.AbstractPythonEnvironmentManager

所有已实现的接口:

AutoCloseable, PythonEnvironmentManager

直接已知子类:

EmbeddedPythonEnvironmentManager, ProcessPythonEnvironmentManager

@Internal
public abstract class AbstractPythonEnvironmentManager
extends Object
implements PythonEnvironmentManager

The base class of python environment manager which is used to create the PythonEnvironment object used to execute Python functions.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	AbstractPythonEnvironmentManager.PythonLeasedResource Python lease resource which includes environment variables and working directory of execution python environment.

字段概要

字段

限定符和类型	字段和说明
protected PythonDependencyInfo	dependencyInfo
static String	PYFLINK_GATEWAY_DISABLED
static String	PYTHON_ARCHIVES_DIR
static String	PYTHON_FILES_DIR
static String	PYTHON_REQUIREMENTS_CACHE
static String	PYTHON_REQUIREMENTS_DIR
static String	PYTHON_REQUIREMENTS_FILE
static String	PYTHON_REQUIREMENTS_INSTALL_DIR
static String	PYTHON_WORKING_DIR
protected AbstractPythonEnvironmentManager.PythonLeasedResource	resource

构造器概要

构造器

构造器和说明
AbstractPythonEnvironmentManager(PythonDependencyInfo dependencyInfo, String[] tmpDirectories, Map<String,String> systemEnv, org.apache.flink.api.common.JobID jobID)

方法概要

限定符和类型	方法和说明
void	close()
Map<String,String>	constructEnvironmentVariables(String baseDirectory) Constructs the environment variables which is used to launch the python UDF worker.
String	getBaseDirectory()
Map<String,String>	getPythonEnv()
void	open() Initialize the environment manager.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.python.env.PythonEnvironmentManager

createEnvironment

字段详细资料

resource

protected transient AbstractPythonEnvironmentManager.PythonLeasedResource resource

dependencyInfo

protected final PythonDependencyInfo dependencyInfo

PYTHON_REQUIREMENTS_DIR

@VisibleForTesting
public static final String PYTHON_REQUIREMENTS_DIR

另请参阅:

常量字段值

PYTHON_REQUIREMENTS_FILE

@VisibleForTesting
public static final String PYTHON_REQUIREMENTS_FILE

另请参阅:

常量字段值

PYTHON_REQUIREMENTS_CACHE

@VisibleForTesting
public static final String PYTHON_REQUIREMENTS_CACHE

另请参阅:

常量字段值

PYTHON_REQUIREMENTS_INSTALL_DIR

@VisibleForTesting
public static final String PYTHON_REQUIREMENTS_INSTALL_DIR

另请参阅:

常量字段值

PYTHON_WORKING_DIR

@VisibleForTesting
public static final String PYTHON_WORKING_DIR

另请参阅:

常量字段值

PYTHON_FILES_DIR

@VisibleForTesting
public static final String PYTHON_FILES_DIR

另请参阅:

常量字段值

PYTHON_ARCHIVES_DIR

@VisibleForTesting
public static final String PYTHON_ARCHIVES_DIR

另请参阅:

常量字段值

PYFLINK_GATEWAY_DISABLED

@VisibleForTesting
public static final String PYFLINK_GATEWAY_DISABLED

另请参阅:

常量字段值

构造器详细资料

AbstractPythonEnvironmentManager

public AbstractPythonEnvironmentManager(PythonDependencyInfo dependencyInfo,
                                        String[] tmpDirectories,
                                        Map<String,String> systemEnv,
                                        org.apache.flink.api.common.JobID jobID)

方法详细资料

open

public void open()
          throws Exception

从接口复制的说明: PythonEnvironmentManager

Initialize the environment manager.

指定者:

open 在接口中 PythonEnvironmentManager

抛出:

Exception

close

public void close()
           throws Exception

指定者:

close 在接口中 AutoCloseable

抛出:

Exception

getBaseDirectory

@VisibleForTesting
public String getBaseDirectory()

getPythonEnv

@VisibleForTesting
public Map<String,String> getPythonEnv()

constructEnvironmentVariables

@VisibleForTesting
public Map<String,String> constructEnvironmentVariables(String baseDirectory)
                                                                    throws IOException

Constructs the environment variables which is used to launch the python UDF worker.

返回:

The environment variables which contain the paths of the python dependencies.

抛出:

IOException