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SubmitTransitionXCommand (Apache Oozie Core 4.0.0 API)
org.apache.oozie.command
Class SubmitTransitionXCommand
java.lang.Object
org.apache.oozie.command.XCommand <T>
org.apache.oozie.command.TransitionXCommand <String >
org.apache.oozie.command.SubmitTransitionXCommand
All Implemented Interfaces: Callable <String >, XCallable <String >
Direct Known Subclasses: BundleSubmitXCommand , CoordSubmitXCommand
public abstract class SubmitTransitionXCommand extends TransitionXCommand <String >
Base class for submit transition command. The derived class has to override these following functions:
loadState() : load the job's and/or actions' state
submit() : submit the job
notifyParent() : update the status to upstream if any
Method Summary
protected String
execute ()
Command execution body.
protected abstract String
submit ()
Submit the job
void
transitToNext ()
Transit to the next status based on the result of the Job.
Methods inherited from class org.apache.oozie.command.XCommand
call , eagerLoadState , eagerVerifyPrecondition , executeInterrupts , getCreatedTime , getEntityKey , getInstrumentation , getKey , getLockTimeOut , getLog , getName , getPriority , getRequeueDelay , getType , inInterruptMode , isLockRequired , isReQueueRequired , loadState , queue , queue , resetUsed , setInterruptMode , verifyPrecondition
Methods inherited from class java.lang.Object
clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait
SubmitTransitionXCommand
public SubmitTransitionXCommand (String name,
String type,
int priority)
The constructor for abstract class SubmitTransitionXCommand
Parameters: name
- the command nametype
- the command typepriority
- the command priority
SubmitTransitionXCommand
public SubmitTransitionXCommand (String name,
String type,
int priority,
boolean dryrun)
The constructor for abstract class SubmitTransitionXCommand
Parameters: name
- the command nametype
- the command typepriority
- the command prioritydryrun
- true if dryrun is enable
submit
protected abstract String submit ()
throws CommandException
Submit the job
Returns: the id
Throws:
CommandException
- thrown if unable to submit
transitToNext
public void transitToNext ()
Description copied from class: TransitionXCommand
Transit to the next status based on the result of the Job.
Specified by: transitToNext
in class TransitionXCommand <String >
execute
protected String 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 <String >
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.
Copyright © 2013 Apache Software Foundation . All Rights Reserved.