org.apache.oozie.command.coord

Class CoordActionsIgnoreXCommand

java.lang.Object

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

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

org.apache.oozie.command.IgnoreTransitionXCommand<CoordinatorActionInfo>

org.apache.oozie.command.coord.CoordActionsIgnoreXCommand

All Implemented Interfaces:

Callable<CoordinatorActionInfo>, XCallable<CoordinatorActionInfo>

public class CoordActionsIgnoreXCommand
extends IgnoreTransitionXCommand<CoordinatorActionInfo>

Field Summary

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

ret

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

insertList, job, updateList

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
CoordActionsIgnoreXCommand(String coordId, String type, String scope)

Method Summary

Methods

Modifier and Type	Method and Description
String	getEntityKey() Return the entity key for the command.
void	ignoreChildren()
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.
void	performWrites() This will be used to perform atomically all the writes within this 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.IgnoreTransitionXCommand

execute, notifyParent, transitToNext, updateJob

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

generateEvents, getJob, setJob

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

CoordActionsIgnoreXCommand

public CoordActionsIgnoreXCommand(String coordId,
                          String type,
                          String scope)

Method Detail

verifyPrecondition

protected void verifyPrecondition()
                           throws CommandException,
                                  PreconditionException

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<CoordinatorActionInfo>

Throws:

CommandException - thrown if the precondition is not met.

PreconditionException

ignoreChildren

public void ignoreChildren()
                    throws CommandException

Specified by:

ignoreChildren in class IgnoreTransitionXCommand<CoordinatorActionInfo>

Throws:

CommandException

performWrites

public void performWrites()
                   throws CommandException

Description copied from class: TransitionXCommand

This will be used to perform atomically all the writes within this command.

Specified by:

performWrites in class TransitionXCommand<CoordinatorActionInfo>

Throws:

CommandException

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<CoordinatorActionInfo>

Returns:

true/false

getEntityKey

public String getEntityKey()

Description copied from class: XCommand

Return the entity key for the command.

Specified by:

getEntityKey in interface XCallable<CoordinatorActionInfo>

Specified by:

getEntityKey in class XCommand<CoordinatorActionInfo>

Returns:

the entity key for the command.

loadState

protected void loadState()
                  throws CommandException

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<CoordinatorActionInfo>

Throws:

CommandException