io.micronaut.http.client.loadbalance

Class DiscoveryClientRoundRobinLoadBalancer

java.lang.Object

io.micronaut.http.client.loadbalance.AbstractRoundRobinLoadBalancer

io.micronaut.http.client.loadbalance.DiscoveryClientRoundRobinLoadBalancer

All Implemented Interfaces:

LoadBalancer

public class DiscoveryClientRoundRobinLoadBalancer
extends AbstractRoundRobinLoadBalancer

A LoadBalancer that uses the DiscoveryClient and a ServiceInstance ID to automatically load balance between discovered clients in a non-blocking manner.

Note that the when DiscoveryClient caching is enabled then this load balancer may not always have the latest server list from the DiscoveryClient (the default TTL is 30 seconds)

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields inherited from class io.micronaut.http.client.loadbalance.AbstractRoundRobinLoadBalancer

index

Constructor Summary

Constructors

Constructor and Description
DiscoveryClientRoundRobinLoadBalancer(String serviceID, DiscoveryClient discoveryClient)

Method Summary

Modifier and Type	Method and Description
String	getServiceID()
Publisher<ServiceInstance>	select(Object discriminator)

Methods inherited from class io.micronaut.http.client.loadbalance.AbstractRoundRobinLoadBalancer

getNextAvailable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.http.client.LoadBalancer

empty, fixed, select

Constructor Detail

DiscoveryClientRoundRobinLoadBalancer

public DiscoveryClientRoundRobinLoadBalancer(String serviceID,
                                             DiscoveryClient discoveryClient)

Parameters:

serviceID - The service ID

discoveryClient - The discovery client

Method Detail

getServiceID

public String getServiceID()

Specified by:

getServiceID in class AbstractRoundRobinLoadBalancer

Returns:

The service ID

select

public Publisher<ServiceInstance> select(Object discriminator)

Parameters:

discriminator - An object used to discriminate the server to select. Usually the service ID

Returns:

The selected ServiceInstance