org.apache.livy

Interface JobHandle<T>

All Superinterfaces:

Future<T>

public interface JobHandle<T>
extends Future<T>

A handle to a submitted job. Allows for monitoring and controlling of the running remote job.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	JobHandle.Listener<T> A listener for monitoring the state of the job in the remote context.
static class	JobHandle.State The current state of the submitted job.

Method Summary

Modifier and Type	Method and Description
void	addListener(JobHandle.Listener<T> l) Add a listener to the job handle.
JobHandle.State	getState() Return the current state of the job.

Methods inherited from interface java.util.concurrent.Future

cancel, get, get, isCancelled, isDone

Method Detail

getState

JobHandle.State getState()

Return the current state of the job.

Returns:

The current State of this job

addListener

void addListener(JobHandle.Listener<T> l)

Add a listener to the job handle. If the job's state is not SENT, a callback for the corresponding state will be invoked immediately.

Parameters:

l - The listener to add.