org.apache.oozie.command.wf

Class SubmitScriptLanguageXCommand

java.lang.Object

org.apache.oozie.command.XCommand<T>

org.apache.oozie.command.wf.WorkflowXCommand<String>

org.apache.oozie.command.wf.SubmitHttpXCommand

org.apache.oozie.command.wf.SubmitScriptLanguageXCommand

All Implemented Interfaces:

Callable<String>, XCallable<String>

Direct Known Subclasses:

SubmitHiveXCommand, SubmitPigXCommand

public abstract class SubmitScriptLanguageXCommand
extends SubmitHttpXCommand

Field Summary

Fields inherited from class org.apache.oozie.command.wf.WorkflowXCommand

INSTR_FAILED_JOBS_COUNTER_NAME, INSTR_KILLED_JOBS_COUNTER_NAME, INSTR_SUCCEEDED_JOBS_COUNTER_NAME, KEEP_WF_ACTION_DIR

Fields inherited from class org.apache.oozie.command.XCommand

DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, eventService, instrumentation, INSTRUMENTATION_GROUP, LOG

Constructor Summary

Constructors

Constructor and Description
SubmitScriptLanguageXCommand(String name, String type, org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
protected org.jdom.Element	generateSection(org.apache.hadoop.conf.Configuration conf, org.jdom.Namespace ns)
String	getEntityKey() Return the entity key for the command.
protected abstract String	getOptions()
protected abstract String	getScriptParamters()
protected org.jdom.Namespace	getSectionNamespace()
protected abstract String	getWorkflowName()
protected boolean	isLockRequired() Indicate if the the command requires locking.
protected void	loadState() Load the necessary state to perform the precondition check and to execute the command.
protected void	verifyPrecondition() Verify the precondition for the command after a lock has been obtain, just before executing the command.

Methods inherited from class org.apache.oozie.command.wf.SubmitHttpXCommand

checkMandatoryConf, execute, generateConfigurationSection, getWorkflowNamespace, getWorkflowXml

Methods inherited from class org.apache.oozie.command.wf.WorkflowXCommand

generateEvent, generateEvent, generateEvent, updateParentIfNecessary, updateParentIfNecessary

Methods inherited from class org.apache.oozie.command.XCommand

call, eagerLoadState, eagerVerifyPrecondition, executeInterrupts, getCreatedTime, getInstrumentation, getKey, getLockTimeOut, getLog, getName, getPriority, getRequeueDelay, getType, inInterruptMode, isReQueueRequired, queue, queue, resetUsed, setInterruptMode, setLogInfo, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SubmitScriptLanguageXCommand

public SubmitScriptLanguageXCommand(String name,
                                    String type,
                                    org.apache.hadoop.conf.Configuration conf)

Method Detail

getWorkflowName

protected abstract String getWorkflowName()

Specified by:

getWorkflowName in class SubmitHttpXCommand

getOptions

protected abstract String getOptions()

getScriptParamters

protected abstract String getScriptParamters()

getSectionNamespace

protected org.jdom.Namespace getSectionNamespace()

Specified by:

getSectionNamespace in class SubmitHttpXCommand

generateSection

protected org.jdom.Element generateSection(org.apache.hadoop.conf.Configuration conf,
                                           org.jdom.Namespace ns)

Specified by:

generateSection in class SubmitHttpXCommand

getEntityKey

public String getEntityKey()

Description copied from class: XCommand

Return the entity key for the command.

Specified by:

getEntityKey in interface XCallable<String>

Specified by:

getEntityKey in class XCommand<String>

Returns:

the entity key for the command.

isLockRequired

protected boolean isLockRequired()

Description copied from class: XCommand

Indicate if the the command requires locking.

Subclasses should override this method if they require locking.

Specified by:

isLockRequired in class XCommand<String>

Returns:

true/false

loadState

protected void loadState()

Description copied from class: XCommand

Load the necessary state to perform the precondition check and to execute the command.

Subclasses must implement this method and load the state needed to do the precondition check and execute the command.

Specified by:

loadState in class XCommand<String>

verifyPrecondition

protected void verifyPrecondition()
                           throws CommandException

Description copied from class: XCommand

Verify the precondition for the command after a lock has been obtain, just before executing the command.

Specified by:

verifyPrecondition in class XCommand<String>

Throws:

CommandException - thrown if the precondition is not met.