io.netty.resolver

Class AddressResolverGroup<T extends java.net.SocketAddress>

java.lang.Object

io.netty.resolver.AddressResolverGroup<T>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

DefaultAddressResolverGroup, DnsAddressResolverGroup, NoopAddressResolverGroup

@UnstableApi
public abstract class AddressResolverGroup<T extends java.net.SocketAddress>
extends java.lang.Object
implements java.io.Closeable

Creates and manages NameResolvers so that each EventExecutor has its own resolver instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AddressResolverGroup()

Method Summary

Modifier and Type	Method and Description
void	close() Closes all NameResolvers created by this group.
AddressResolver<T>	getResolver(EventExecutor executor) Returns the AddressResolver associated with the specified EventExecutor.
protected abstract AddressResolver<T>	newResolver(EventExecutor executor) Invoked by getResolver(EventExecutor) to create a new AddressResolver.

Methods inherited from class java.lang.Object

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

Constructor Detail

AddressResolverGroup

protected AddressResolverGroup()

Method Detail

getResolver

public AddressResolver<T> getResolver(EventExecutor executor)

Returns the AddressResolver associated with the specified EventExecutor. If there's no associated resolved found, this method creates and returns a new resolver instance created by newResolver(EventExecutor) so that the new resolver is reused on another getResolver(EventExecutor) call with the same EventExecutor.

newResolver

protected abstract AddressResolver<T> newResolver(EventExecutor executor)
                                           throws java.lang.Exception

Invoked by getResolver(EventExecutor) to create a new AddressResolver.

Throws:

java.lang.Exception

close

public void close()

Closes all NameResolvers created by this group.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable