io.netty.resolver

Class SimpleNameResolver<T>

java.lang.Object

io.netty.resolver.SimpleNameResolver<T>

All Implemented Interfaces:

NameResolver<T>, Closeable, AutoCloseable

Direct Known Subclasses:

CompositeNameResolver, InetNameResolver

@UnstableApi
public abstract class SimpleNameResolver<T>
extends Object
implements NameResolver<T>

A skeletal NameResolver implementation.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SimpleNameResolver(EventExecutor executor)

Method Summary

Modifier and Type	Method and Description
void	close() Closes all the resources allocated and used by this resolver.
protected abstract void	doResolve(String inetHost, Promise<T> promise) Invoked by resolve(String) to perform the actual name resolution.
protected abstract void	doResolveAll(String inetHost, Promise<List<T>> promise) Invoked by resolveAll(String) to perform the actual name resolution.
protected EventExecutor	executor() Returns the EventExecutor which is used to notify the listeners of the Future returned by resolve(String).
Future<T>	resolve(String inetHost) Resolves the specified name into an address.
Future<T>	resolve(String inetHost, Promise<T> promise) Resolves the specified name into an address.
Future<List<T>>	resolveAll(String inetHost) Resolves the specified host name and port into a list of address.
Future<List<T>>	resolveAll(String inetHost, Promise<List<T>> promise) Resolves the specified host name and port into a list of address.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleNameResolver

protected SimpleNameResolver(EventExecutor executor)

Parameters:

executor - the EventExecutor which is used to notify the listeners of the Future returned by resolve(String)

Method Detail

executor

protected EventExecutor executor()

Returns the EventExecutor which is used to notify the listeners of the Future returned by resolve(String).

resolve

public final Future<T> resolve(String inetHost)

Description copied from interface: NameResolver

Resolves the specified name into an address.

Specified by:

resolve in interface NameResolver<T>

Parameters:

inetHost - the name to resolve

Returns:

the address as the result of the resolution

resolve

public Future<T> resolve(String inetHost,
                         Promise<T> promise)

Description copied from interface: NameResolver

Resolves the specified name into an address.

Specified by:

resolve in interface NameResolver<T>

Parameters:

inetHost - the name to resolve

promise - the Promise which will be fulfilled when the name resolution is finished

Returns:

the address as the result of the resolution

resolveAll

public final Future<List<T>> resolveAll(String inetHost)

Description copied from interface: NameResolver

Resolves the specified host name and port into a list of address.

Specified by:

resolveAll in interface NameResolver<T>

Parameters:

inetHost - the name to resolve

Returns:

the list of the address as the result of the resolution

resolveAll

public Future<List<T>> resolveAll(String inetHost,
                                  Promise<List<T>> promise)

Description copied from interface: NameResolver

Resolves the specified host name and port into a list of address.

Specified by:

resolveAll in interface NameResolver<T>

Parameters:

inetHost - the name to resolve

promise - the Promise which will be fulfilled when the name resolution is finished

Returns:

the list of the address as the result of the resolution

doResolve

protected abstract void doResolve(String inetHost,
                                  Promise<T> promise)
                           throws Exception

Invoked by resolve(String) to perform the actual name resolution.

Throws:

Exception

doResolveAll

protected abstract void doResolveAll(String inetHost,
                                     Promise<List<T>> promise)
                              throws Exception

Invoked by resolveAll(String) to perform the actual name resolution.

Throws:

Exception

close

public void close()

Description copied from interface: NameResolver

Closes all the resources allocated and used by this resolver.

Specified by:

close in interface NameResolver<T>

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable