Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | // Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org) |
| 2 | |
| 3 | package org.xbill.DNS; |
| 4 | |
| 5 | import java.util.EventListener; |
| 6 | |
| 7 | /** |
| 8 | * An interface to the asynchronous resolver. |
| 9 | * @see Resolver |
| 10 | * |
| 11 | * @author Brian Wellington |
| 12 | */ |
| 13 | |
| 14 | public interface ResolverListener extends EventListener { |
| 15 | |
| 16 | /** |
| 17 | * The callback used by an asynchronous resolver |
| 18 | * @param id The identifier returned by Resolver.sendAsync() |
| 19 | * @param m The response message as returned by the Resolver |
| 20 | */ |
| 21 | void receiveMessage(Object id, Message m); |
| 22 | |
| 23 | /** |
| 24 | * The callback used by an asynchronous resolver when an exception is thrown |
| 25 | * @param id The identifier returned by Resolver.sendAsync() |
| 26 | * @param e The thrown exception |
| 27 | */ |
| 28 | void handleException(Object id, Exception e); |
| 29 | |
| 30 | } |