io.grpc

Class NameResolverRegistry

java.lang.Object

io.grpc.NameResolver.Factory

io.grpc.NameResolverRegistry

@ExperimentalApi
 @ThreadSafe
public final class NameResolverRegistry
extends NameResolver.Factory

A registry that holds various NameResolver.Factorys and dispatches target URI to the first one that can handle it.

Field Summary

Fields inherited from class io.grpc.NameResolver.Factory

PARAMS_DEFAULT_PORT

Method Summary

Modifier and Type	Method and Description
static NameResolverRegistry	getDefaultRegistry()
String	getDefaultScheme() Returns the default scheme, which will be used to construct a URI when ManagedChannelBuilder.forTarget(String) is given an authority string instead of a compliant URI.
NameResolver	newNameResolver(URI targetUri, Attributes params) Returns a NameResolver created by the first factory that can handle the given target URI, or null if no one can handle it.
void	register(NameResolver.Factory factory) Registers a NameResolver.Factory.

Methods inherited from class java.lang.Object

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

Method Detail

getDefaultRegistry

public static NameResolverRegistry getDefaultRegistry()

register

public void register(NameResolver.Factory factory)

Registers a NameResolver.Factory.

newNameResolver

public NameResolver newNameResolver(URI targetUri,
                                    Attributes params)

Returns a NameResolver created by the first factory that can handle the given target URI, or null if no one can handle it.

The factory that was registered later has higher priority.

Specified by:

newNameResolver in class NameResolver.Factory

Parameters:

targetUri - the target URI to be resolved, whose scheme must not be null

params - optional parameters. Canonical keys are defined as PARAMS_* fields in NameResolver.Factory.

getDefaultScheme

public String getDefaultScheme()

Description copied from class: NameResolver.Factory

Returns the default scheme, which will be used to construct a URI when ManagedChannelBuilder.forTarget(String) is given an authority string instead of a compliant URI.

Specified by:

getDefaultScheme in class NameResolver.Factory