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org.apache.oozie.command
Class ResumeTransitionXCommand

java.lang.Object
  org.apache.oozie.command.XCommand<T>
      org.apache.oozie.command.TransitionXCommand<Void>
          org.apache.oozie.command.ResumeTransitionXCommand

All Implemented Interfaces:

Callable<Void>, XCallable<Void>

Direct Known Subclasses:

BundleJobResumeXCommand, CoordResumeXCommand

public abstract class ResumeTransitionXCommand
extends TransitionXCommand<Void>

Field Summary

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

job

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

DEFAULT_LOCK_TIMEOUT, DEFAULT_REQUEUE_DELAY, dryrun, instrumentation, INSTRUMENTATION_GROUP, LOG, logInfo

Constructor Summary

ResumeTransitionXCommand(String name, String type, int priority)

ResumeTransitionXCommand(String name, String type, int priority, boolean dryrun)

Method Summary

protected Void	execute() Command execution body.
abstract void	resumeChildren() Resume all children of the job
void	transitToNext() Transit job to PREP from PREPSUSPENDED or to RUNNING from SUSPENDED.

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

getJob, notifyParent, setJob, updateJob

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

call, eagerLoadState, eagerVerifyPrecondition, getCreatedTime, getEntityKey, getInstrumentation, getKey, getLockTimeOut, getLog, getName, getPriority, getRequeueDelay, getType, isLockRequired, isReQueueRequired, loadState, queue, queue, resetUsed, verifyPrecondition

Methods inherited from class java.lang.Object

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

Constructor Detail

ResumeTransitionXCommand

public ResumeTransitionXCommand(String name,
                                String type,
                                int priority)

ResumeTransitionXCommand

public ResumeTransitionXCommand(String name,
                                String type,
                                int priority,
                                boolean dryrun)

Method Detail

resumeChildren

public abstract void resumeChildren()
                             throws CommandException

Resume all children of the job

Throws:

CommandException

transitToNext

public void transitToNext()

Transit job to PREP from PREPSUSPENDED or to RUNNING from SUSPENDED.

Specified by:

transitToNext in class TransitionXCommand<Void>

See Also:

TransitionXCommand.transitToNext()

execute

protected Void execute()
                throws CommandException

Description copied from class: XCommand

Command execution body.

This method will be invoked after the {link #loadState} and {link #verifyPrecondition} methods.

If the command requires locking, this method will be invoked ONLY if the lock has been acquired.

Overrides:

execute in class TransitionXCommand<Void>

Returns:

a return value from the execution of the command, only meaningful if the command is executed synchronously.

Throws:

CommandException - thrown if the command execution failed.