001 /**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020 package org.apache.james.jspf.executor; 021 022 import org.apache.james.jspf.core.DNSRequest; 023 024 025 026 /** 027 * Interface which should be used to access all necassary DNS-Records 028 * 029 */ 030 public interface DNSAsynchLookupService { 031 032 /** 033 * Retrieve dns records for the given host asynchronously 034 * 035 * @param request the dns request 036 * @param id the identification key for the response. 037 * @param responsePool the queue where the response will be appended. 038 */ 039 public void getRecordsAsynch(DNSRequest request, int id, 040 final IResponseQueue responsePool); 041 042 }