com.github.ambry.cloud

Class OnlineOfflineHelixVcrStateModel

java.lang.Object

org.apache.helix.participant.statemachine.StateModel

com.github.ambry.cloud.OnlineOfflineHelixVcrStateModel

public class OnlineOfflineHelixVcrStateModel
extends org.apache.helix.participant.statemachine.StateModel

StateModel to use when the VCR participants register to Helix. The methods are callbacks that get called within a participant whenever its state changes in Helix.

Field Summary

Fields inherited from class org.apache.helix.participant.statemachine.StateModel

_cancelled, _currentState

Method Summary

Modifier and Type	Method and Description
void	onTransitionToDroppedFromOffline(org.apache.helix.model.Message message, org.apache.helix.NotificationContext context)
void	onTransitionToOfflineFromOnline(org.apache.helix.model.Message message, org.apache.helix.NotificationContext context)
void	onTransitionToOnlineFromOffline(org.apache.helix.model.Message message, org.apache.helix.NotificationContext context)
void	reset()

Methods inherited from class org.apache.helix.participant.statemachine.StateModel

cancel, defaultTransitionHandler, getCurrentState, isCancelled, onBecomeDroppedFromError, rollbackOnError, updateState

Methods inherited from class java.lang.Object

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

Method Detail

onTransitionToOnlineFromOffline

public void onTransitionToOnlineFromOffline(org.apache.helix.model.Message message,
                                            org.apache.helix.NotificationContext context)

onTransitionToOfflineFromOnline

public void onTransitionToOfflineFromOnline(org.apache.helix.model.Message message,
                                            org.apache.helix.NotificationContext context)

onTransitionToDroppedFromOffline

public void onTransitionToDroppedFromOffline(org.apache.helix.model.Message message,
                                             org.apache.helix.NotificationContext context)

reset

public void reset()

Overrides:

reset in class org.apache.helix.participant.statemachine.StateModel