org.apache.dolphinscheduler.plugin.task.datax

Class DataxTask

java.lang.Object

org.apache.dolphinscheduler.spi.task.AbstractTask

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

org.apache.dolphinscheduler.plugin.task.datax.DataxTask

public class DataxTask
extends AbstractTaskExecutor

Field Summary

Fields

Modifier and Type	Field and Description
static String	JVM_PARAM jvm parameters

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
DataxTask(TaskRequest taskExecutionContext) constructor

Method Summary

Modifier and Type	Method and Description
void	cancelApplication(boolean cancelApplication) cancel DataX process
AbstractParameters	getParameters()
String	getPythonCommand()
String	getPythonCommand(String pythonHome)
void	handle() run DataX process
void	init() init DataX config
String	loadJvmEnv(DataxParameters dataXParameters)
String[]	tryExecuteSqlResolveColumnNames(DbType sourceType, BaseConnectionParam baseDataSource, String sql) try to execute sql to resolve column names

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, getPreScript, 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

Field Detail

JVM_PARAM

public static final String JVM_PARAM

jvm parameters

See Also:

Constant Field Values

Constructor Detail

DataxTask

public DataxTask(TaskRequest taskExecutionContext)

constructor

Parameters:

taskExecutionContext - taskExecutionContext

Method Detail

init

public void init()

init DataX config

Overrides:

init in class AbstractTask

handle

public void handle()
            throws Exception

run DataX process

Specified by:

handle in class AbstractTask

Throws:

Exception - if error throws Exception

cancelApplication

public void cancelApplication(boolean cancelApplication)
                       throws Exception

cancel DataX process

Overrides:

cancelApplication in class AbstractTask

Parameters:

cancelApplication - cancelApplication

Throws:

Exception - if error throws Exception

getPythonCommand

public String getPythonCommand()

getPythonCommand

public String getPythonCommand(String pythonHome)

loadJvmEnv

public String loadJvmEnv(DataxParameters dataXParameters)

tryExecuteSqlResolveColumnNames

public String[] tryExecuteSqlResolveColumnNames(DbType sourceType,
                                                BaseConnectionParam baseDataSource,
                                                String sql)

try to execute sql to resolve column names

Parameters:

baseDataSource - the database connection parameters

sql - sql for data synchronization

Returns:

column name array

getParameters

public AbstractParameters getParameters()

Specified by:

getParameters in class AbstractTask