org.apache.hadoop.hive.registry

Interface ServiceInstanceStateChangeListener<InstanceType extends ServiceInstance>

public interface ServiceInstanceStateChangeListener<InstanceType extends ServiceInstance>

Callback listener for instance state change events

Method Summary

Modifier and Type	Method and Description
void	onCreate(InstanceType serviceInstance, int ephSeqVersion) Called when new ServiceInstance is created.
void	onRemove(InstanceType serviceInstance, int ephSeqVersion) Called when an existing ServiceInstance is removed.
void	onUpdate(InstanceType serviceInstance, int ephSeqVersion) Called when an existing ServiceInstance is updated.

Method Detail

onCreate

void onCreate(InstanceType serviceInstance,
              int ephSeqVersion)

Called when new ServiceInstance is created.

Parameters:

serviceInstance - - created service instance

onUpdate

void onUpdate(InstanceType serviceInstance,
              int ephSeqVersion)

Called when an existing ServiceInstance is updated.

Parameters:

serviceInstance - - updated service instance

onRemove

void onRemove(InstanceType serviceInstance,
              int ephSeqVersion)

Called when an existing ServiceInstance is removed.

Parameters:

serviceInstance - - removed service instance