org.apache.twill.api

Interface TwillRunnerService

All Superinterfaces:

TwillRunner

All Known Implementing Classes:

YarnTwillRunnerService

public interface TwillRunnerService
extends TwillRunner

A TwillRunner that provides lifecycle management functions. The start() method needs to be called before calling any other method of this interface. When done with this service, call stop() to release any resources that it holds.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.twill.api.TwillRunner

TwillRunner.LiveInfo

Method Summary

Modifier and Type	Method and Description
void	start() Starts the service.
void	stop() Stops the service.

Methods inherited from interface org.apache.twill.api.TwillRunner

lookup, lookup, lookupLive, prepare, prepare, prepare, scheduleSecureStoreUpdate, setSecureStoreRenewer

Method Detail

start

void start()

Starts the service. Calling this method on a already started instance has no effect. A service that is stopped cannot be started again.

Throws:

RuntimeException - if the service failed to start.

stop

void stop()

Stops the service. Calling this method on a already stopped instance has no effect.

Throws:

RuntimeException - if the service failed to start.