org.apache.dolphinscheduler.plugin.task.python

Class PythonTask

java.lang.Object

org.apache.dolphinscheduler.spi.task.AbstractTask

org.apache.dolphinscheduler.plugin.task.api.AbstractTaskExecutor

org.apache.dolphinscheduler.plugin.task.python.PythonTask

public class PythonTask
extends AbstractTaskExecutor

python task

Field Summary

Fields inherited from class org.apache.dolphinscheduler.plugin.task.api.AbstractTaskExecutor

FINALIZE_SESSION_MARKER, logger, rgex

Fields inherited from class org.apache.dolphinscheduler.spi.task.AbstractTask

appIds, cancel, exitStatusCode, needAlert, processId, resultString, taskAlertInfo, varPool

Constructor Summary

Constructors

Constructor and Description
PythonTask(TaskRequest taskRequest) constructor

Method Summary

Modifier and Type	Method and Description
protected String	buildPythonCommandFilePath() build python command file path
void	cancelApplication(boolean cancelApplication)
protected void	createPythonCommandFileIfNotExists(String pythonScript, String pythonScriptFile) create python command file if not exists
AbstractParameters	getParameters()
String	getPreScript()
void	handle()
void	init()

Methods inherited from class org.apache.dolphinscheduler.plugin.task.api.AbstractTaskExecutor

logHandle, setSqlParamsMap

Methods inherited from class org.apache.dolphinscheduler.spi.task.AbstractTask

getAppIds, getExitStatus, getExitStatusCode, getNeedAlert, getProcessId, getResultString, getTaskAlertInfo, getVarPool, setAppIds, setExitStatusCode, setNeedAlert, setProcessId, setResultString, setTaskAlertInfo, setVarPool

Methods inherited from class java.lang.Object

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

Constructor Detail

PythonTask

public PythonTask(TaskRequest taskRequest)

constructor

Parameters:

taskRequest - taskRequest

Method Detail

init

public void init()

Overrides:

init in class AbstractTask

getPreScript

public String getPreScript()

Overrides:

getPreScript in class AbstractTask

handle

public void handle()
            throws Exception

Specified by:

handle in class AbstractTask

Throws:

Exception

cancelApplication

public void cancelApplication(boolean cancelApplication)
                       throws Exception

Overrides:

cancelApplication in class AbstractTask

Throws:

Exception

getParameters

public AbstractParameters getParameters()

Specified by:

getParameters in class AbstractTask

createPythonCommandFileIfNotExists

protected void createPythonCommandFileIfNotExists(String pythonScript,
                                                  String pythonScriptFile)
                                           throws IOException

create python command file if not exists

Parameters:

pythonScript - exec python script

pythonScriptFile - python script file

Throws:

IOException - io exception

buildPythonCommandFilePath

protected String buildPythonCommandFilePath()

build python command file path

Returns:

python command file path