public class ApplicationMasterLauncher extends AbstractService implements EventHandler<AMLauncherEvent>
Service.STATE
Constructor and Description |
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ApplicationMasterLauncher(RMContext context) |
Modifier and Type | Method and Description |
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protected Runnable |
createRunnableLauncher(RMAppAttempt application,
AMLauncherEventType event) |
void |
handle(AMLauncherEvent appEvent) |
protected void |
serviceStart()
Actions called during the INITED to STARTED transition.
|
protected void |
serviceStop()
Actions called during the transition to the STOPPED state.
|
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceInit, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop
protected final RMContext context
public ApplicationMasterLauncher(RMContext context)
protected void serviceStart() throws Exception
AbstractService
AbstractService.start()
prevents re-entrancy.serviceStart
in class AbstractService
Exception
- if needed -these will be caught,
wrapped, and trigger a service stopprotected Runnable createRunnableLauncher(RMAppAttempt application, AMLauncherEventType event)
protected void serviceStop() throws Exception
AbstractService
AbstractService.stop()
prevents re-entrancy.
Implementations MUST write this to be robust against failures, including
checks for null references -and for the first failure to not stop other
attempts to shut down parts of the service.serviceStop
in class AbstractService
Exception
- if needed -these will be caught and logged.public void handle(AMLauncherEvent appEvent)
handle
in interface EventHandler<AMLauncherEvent>
Copyright © 2013 Apache Software Foundation. All rights reserved.