net.devh.boot.grpc.client.nameresolver

Class DiscoveryClientNameResolver

java.lang.Object

io.grpc.NameResolver

net.devh.boot.grpc.client.nameresolver.DiscoveryClientNameResolver

public class DiscoveryClientNameResolver
extends NameResolver

The DiscoveryClientNameResolver resolves the service hosts and their associated gRPC port using the channel's name and spring's cloud DiscoveryClient. The ports are extracted from the gRPC_port metadata.

Nested Class Summary

Nested classes/interfaces inherited from class io.grpc.NameResolver

NameResolver.Args, NameResolver.ConfigOrError, NameResolver.Factory, NameResolver.Listener, NameResolver.Listener2, NameResolver.ResolutionResult, NameResolver.ResolutionResultAttr, NameResolver.ServiceConfigParser

Constructor Summary

Constructors

Constructor and Description
DiscoveryClientNameResolver(String name, DiscoveryClient client, NameResolver.Args args, io.grpc.internal.SharedResourceHolder.Resource<Executor> executorResource, Runnable externalCleaner) Creates a new DiscoveryClientNameResolver.

Method Summary

Modifier and Type	Method and Description
String	getServiceAuthority()
void	refresh()
void	refreshFromExternal() Triggers a refresh on the listener from non-grpc threads.
void	shutdown()
void	start(NameResolver.Listener2 listener)
String	toString()

Methods inherited from class io.grpc.NameResolver

start

Methods inherited from class java.lang.Object

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

Constructor Detail

DiscoveryClientNameResolver

public DiscoveryClientNameResolver(String name,
                                   DiscoveryClient client,
                                   NameResolver.Args args,
                                   io.grpc.internal.SharedResourceHolder.Resource<Executor> executorResource,
                                   Runnable externalCleaner)

Creates a new DiscoveryClientNameResolver.

Parameters:

name - The name of the service to look up.

client - The client used to look up the service addresses.

args - The name resolver args.

executorResource - The executor resource.

externalCleaner - The optional cleaner used during shutdown()

Method Detail

getServiceAuthority

public final String getServiceAuthority()

Specified by:

getServiceAuthority in class NameResolver

start

public void start(NameResolver.Listener2 listener)

Overrides:

start in class NameResolver

refresh

public void refresh()

Overrides:

refresh in class NameResolver

refreshFromExternal

public void refreshFromExternal()

Triggers a refresh on the listener from non-grpc threads. This method can safely be called, even if the listener hasn't been started yet.

See Also:

refresh()

shutdown

public void shutdown()

Specified by:

shutdown in class NameResolver

toString

public String toString()

Overrides:

toString in class Object