Package com.linkedin.venice.helix

Class HelixExternalViewRepository

java.lang.Object

com.linkedin.venice.helix.HelixBaseRoutingRepository

com.linkedin.venice.helix.HelixExternalViewRepository

All Implemented Interfaces:

OnlineInstanceFinder, RoutingDataRepository, VeniceResource, org.apache.helix.api.listeners.ControllerChangeListener, org.apache.helix.api.listeners.IdealStateChangeListener, org.apache.helix.api.listeners.RoutingTableChangeListener

public class HelixExternalViewRepository
extends HelixBaseRoutingRepository
implements org.apache.helix.api.listeners.IdealStateChangeListener

Extend HelixBaseRoutingRepository to leverage external view data.

Nested Class Summary

Nested classes/interfaces inherited from interface com.linkedin.venice.meta.RoutingDataRepository

RoutingDataRepository.RoutingDataChangedListener

Field Summary

Fields inherited from class com.linkedin.venice.helix.HelixBaseRoutingRepository

dataSource, keyBuilder, listenerManager, liveInstancesMap, liveInstancesMapLock, manager, resourceAssignment

Constructor Summary

Constructors

Constructor	Description
HelixExternalViewRepository(SafeHelixManager manager)

Method Summary

Modifier and Type	Method	Description
void	clear()
protected void	onCustomizedViewDataChange(org.apache.helix.spectator.RoutingTableSnapshot routingTableSnapshot)
protected void	onExternalViewDataChange(org.apache.helix.spectator.RoutingTableSnapshot routingTableSnapshot)
void	onIdealStateChange(List<org.apache.helix.model.IdealState> idealStates, org.apache.helix.NotificationContext changeContext)
void	refresh()	This method is used to add listener after HelixManager being connected.

Methods inherited from class com.linkedin.venice.helix.HelixBaseRoutingRepository

containsKafkaTopic, convertLiveInstances, doesResourcesExistInIdealState, getAllInstances, getLeaderController, getLeaderControllerChangeTimeMs, getLeaderInstance, getNumberOfPartitions, getPartitionAssignments, getReadyToServeInstances, getReadyToServeInstances, getResourceAssignment, getWorkingInstances, isLiveInstance, onControllerChange, onRoutingTableChange, subscribeRoutingDataChange, unSubscribeRoutingDataChange

Methods inherited from class java.lang.Object

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

Constructor Details

HelixExternalViewRepository

public HelixExternalViewRepository(SafeHelixManager manager)

Method Details

onIdealStateChange

public void onIdealStateChange(List<org.apache.helix.model.IdealState> idealStates,
 org.apache.helix.NotificationContext changeContext)

Specified by:

onIdealStateChange in interface org.apache.helix.api.listeners.IdealStateChangeListener

refresh

public void refresh()

Description copied from class: HelixBaseRoutingRepository

This method is used to add listener after HelixManager being connected. Otherwise, it will met error because adding listener before connecting.

Specified by:

refresh in interface VeniceResource

Overrides:

refresh in class HelixBaseRoutingRepository

clear

public void clear()

Specified by:

clear in interface VeniceResource

Overrides:

clear in class HelixBaseRoutingRepository

onExternalViewDataChange

protected void onExternalViewDataChange(org.apache.helix.spectator.RoutingTableSnapshot routingTableSnapshot)

Specified by:

onExternalViewDataChange in class HelixBaseRoutingRepository

onCustomizedViewDataChange

protected void onCustomizedViewDataChange(org.apache.helix.spectator.RoutingTableSnapshot routingTableSnapshot)

Specified by:

onCustomizedViewDataChange in class HelixBaseRoutingRepository