io.aeron.driver

Class DefaultNameResolver

java.lang.Object

io.aeron.driver.DefaultNameResolver

All Implemented Interfaces:

NameResolver

public class DefaultNameResolver
extends Object
implements NameResolver

Use the default host name resolver via InetAddress.

Field Summary

Fields

Modifier and Type	Field and Description
static DefaultNameResolver	INSTANCE Singleton instance which can be used to avoid allocation.

Constructor Summary

Constructors

Constructor and Description
DefaultNameResolver()

Method Summary

Modifier and Type	Method and Description
InetAddress	resolve(String name, String uriParamName, boolean isReResolution) Resolve a name and return the most up to date InetAddress that represents the name.
void	resolveHook(String resolverName, String hostname, InetAddress resolvedAddress) Name resolution hook, useful for logging.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.aeron.driver.NameResolver

doWork, init, lookup

Field Detail

INSTANCE

public static final DefaultNameResolver INSTANCE

Singleton instance which can be used to avoid allocation.

Constructor Detail

DefaultNameResolver

public DefaultNameResolver()

Method Detail

resolve

public InetAddress resolve(String name,
                           String uriParamName,
                           boolean isReResolution)

Resolve a name and return the most up to date InetAddress that represents the name.

Specified by:

resolve in interface NameResolver

Parameters:

name - to resolve.

uriParamName - that the resolution is for.

isReResolution - true if this is a re-resolution or false if initial resolution.

Returns:

address for the name that most recently represents the name or null if not resolvable currently.

See Also:

CommonContext.ENDPOINT_PARAM_NAME, CommonContext.MDC_CONTROL_PARAM_NAME

resolveHook

public void resolveHook(String resolverName,
                        String hostname,
                        InetAddress resolvedAddress)

Name resolution hook, useful for logging.

Parameters:

resolverName - used to handle the resolution.

hostname - that was resolved.

resolvedAddress - the resulting address or null if it can't be resolved.