org.apache.dolphinscheduler.server.master.runner.task

Class BaseTaskProcessor

java.lang.Object

org.apache.dolphinscheduler.server.master.runner.task.BaseTaskProcessor

All Implemented Interfaces:

ITaskProcessor

Direct Known Subclasses:

BlockingTaskProcessor, CommonTaskProcessor, ConditionTaskProcessor, DependentTaskProcessor, SubTaskProcessor, SwitchTaskProcessor

public abstract class BaseTaskProcessor
extends Object
implements ITaskProcessor

Field Summary

Fields

Modifier and Type	Field and Description
protected int	commitInterval
protected DataSource	defaultDataSource
protected boolean	killed
protected org.slf4j.Logger	logger
protected MasterConfig	masterConfig
protected int	maxRetryTimes
protected boolean	paused
protected org.apache.dolphinscheduler.dao.entity.ProcessInstance	processInstance
protected ProcessService	processService
protected org.apache.dolphinscheduler.dao.entity.TaskInstance	taskInstance
protected TaskPluginManager	taskPluginManager
protected String	threadLoggerInfoName
protected boolean	timeout

Constructor Summary

Constructors

Constructor and Description
BaseTaskProcessor()

Method Summary

Modifier and Type	Method and Description
boolean	action(TaskAction taskAction)
protected boolean	dispatch()
protected abstract boolean	dispatchTask() dispatch task
org.apache.dolphinscheduler.dao.entity.DataSource	getDefaultDataSource() The default datasource is used to get the dolphinscheduler datasource info, and the info will be used in StatisticsValueConfig and WriterConfig
protected Map<String,String>	getResourceFullNames(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance) get resource map key is full name and value is tenantCode
protected org.apache.dolphinscheduler.plugin.task.api.TaskExecutionContext	getTaskExecutionContext(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance) get TaskExecutionContext
String	getType()
void	init(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance, org.apache.dolphinscheduler.dao.entity.ProcessInstance processInstance)
protected abstract boolean	killTask() kill task, all tasks need to realize this function
protected boolean	pause()
protected abstract boolean	pauseTask() pause task, common tasks donot need this.
protected boolean	run()
protected abstract boolean	runTask() run task
void	setTaskExecutionLogger() set master task running logger.
protected boolean	stop()
protected boolean	submit()
protected abstract boolean	submitTask() submit task
org.apache.dolphinscheduler.dao.entity.TaskInstance	taskInstance()
protected abstract boolean	taskTimeout() task timeout process
protected boolean	timeout()
protected boolean	verifyTenantIsNull(org.apache.dolphinscheduler.dao.entity.Tenant tenant, org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance) whehter tenant is null

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.slf4j.Logger logger

killed

protected boolean killed

paused

protected boolean paused

timeout

protected boolean timeout

taskInstance

protected org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance

processInstance

protected org.apache.dolphinscheduler.dao.entity.ProcessInstance processInstance

maxRetryTimes

protected int maxRetryTimes

commitInterval

protected int commitInterval

processService

protected ProcessService processService

masterConfig

protected MasterConfig masterConfig

taskPluginManager

protected TaskPluginManager taskPluginManager

threadLoggerInfoName

protected String threadLoggerInfoName

defaultDataSource

protected DataSource defaultDataSource

Constructor Detail

BaseTaskProcessor

public BaseTaskProcessor()

Method Detail

init

public void init(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance,
                 org.apache.dolphinscheduler.dao.entity.ProcessInstance processInstance)

Specified by:

init in interface ITaskProcessor

pauseTask

protected abstract boolean pauseTask()

pause task, common tasks donot need this.

killTask

protected abstract boolean killTask()

kill task, all tasks need to realize this function

taskTimeout

protected abstract boolean taskTimeout()

task timeout process

submitTask

protected abstract boolean submitTask()

submit task

runTask

protected abstract boolean runTask()

run task

dispatchTask

protected abstract boolean dispatchTask()

dispatch task

action

public boolean action(TaskAction taskAction)

Specified by:

action in interface ITaskProcessor

submit

protected boolean submit()

run

protected boolean run()

dispatch

protected boolean dispatch()

timeout

protected boolean timeout()

pause

protected boolean pause()

stop

protected boolean stop()

getType

public String getType()

Specified by:

getType in interface ITaskProcessor

taskInstance

public org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance()

Specified by:

taskInstance in interface ITaskProcessor

setTaskExecutionLogger

public void setTaskExecutionLogger()

set master task running logger.

getTaskExecutionContext

protected org.apache.dolphinscheduler.plugin.task.api.TaskExecutionContext getTaskExecutionContext(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance)

get TaskExecutionContext

Parameters:

taskInstance - taskInstance

Returns:

TaskExecutionContext

getDefaultDataSource

public org.apache.dolphinscheduler.dao.entity.DataSource getDefaultDataSource()

The default datasource is used to get the dolphinscheduler datasource info, and the info will be used in StatisticsValueConfig and WriterConfig

Returns:

DataSource

verifyTenantIsNull

protected boolean verifyTenantIsNull(org.apache.dolphinscheduler.dao.entity.Tenant tenant,
                                     org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance)

whehter tenant is null

Parameters:

tenant - tenant

taskInstance - taskInstance

Returns:

result

getResourceFullNames

protected Map<String,String> getResourceFullNames(org.apache.dolphinscheduler.dao.entity.TaskInstance taskInstance)

get resource map key is full name and value is tenantCode