io.netty.resolver

Class NameResolverGroup<T extends SocketAddress>

java.lang.Object

io.netty.resolver.NameResolverGroup<T>

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

DefaultNameResolverGroup, DnsNameResolverGroup, NoopNameResolverGroup

public abstract class NameResolverGroup<T extends SocketAddress>
extends Object
implements Closeable

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NameResolverGroup()

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Constructor Detail

NameResolverGroup

protected NameResolverGroup()

Method Detail

getResolver

public NameResolver<T> getResolver(EventExecutor executor)

Returns the NameResolver 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 NameResolver<T> newResolver(EventExecutor executor)
                                                              throws Exception

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

Throws:

Exception

close

public void close()

Closes all NameResolvers created by this group.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable