LoadBalancerObserver

public interface LoadBalancerObserver

An observer that provides visibility into a LoadBalancer.

Nested Class Summary

Nested Classes

Modifier and Type

Interface

Description

static interface

LoadBalancerObserver.HostObserver

An observer for Host events.
Method Summary

Modifier and Type

Method

Description

LoadBalancerObserver.HostObserver

hostObserver(Object resolvedAddress)

Get a LoadBalancerObserver.HostObserver.

void

onNoActiveHostsAvailable(int hostSetSize, NoActiveHostException exception)

Callback for when connection selection fails due to all hosts being inactive.

void

onNoHostsAvailable()

Callback for when connection selection fails due to no hosts being available.

void

onServiceDiscoveryEvent(Collection<? extends ServiceDiscovererEvent<?>> events, int oldHostSetSize, int newHostSetSize)

Callback for monitoring the changes due to a service discovery update.

Method Details
- hostObserver
  
  LoadBalancerObserver.HostObserver hostObserver(Object resolvedAddress)
  
  Get a LoadBalancerObserver.HostObserver.
  
  Parameters:
  
  resolvedAddress - the resolved address of the host.
  
  Returns:
  
  a LoadBalancerObserver.HostObserver.
- onNoHostsAvailable
  
  void onNoHostsAvailable()
  
  Callback for when connection selection fails due to no hosts being available.
- onServiceDiscoveryEvent
  
  void onServiceDiscoveryEvent(Collection<? extends ServiceDiscovererEvent<?>> events, int oldHostSetSize, int newHostSetSize)
  
  Callback for monitoring the changes due to a service discovery update.
  
  Parameters:
  
  events - the collection of ServiceDiscovererEvents received by the load balancer.
  
  oldHostSetSize - the size of the previous host set.
  
  newHostSetSize - the new size of the host set.
- onNoActiveHostsAvailable
  
  void onNoActiveHostsAvailable(int hostSetSize, NoActiveHostException exception)
  
  Callback for when connection selection fails due to all hosts being inactive.
  
  Parameters:
  
  hostSetSize - the size of the current host set.
  
  exception - an exception with more details about the failure.