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.directory.server.dns.store; 021 022 023 import java.util.Set; 024 025 import org.apache.directory.server.dns.DnsException; 026 import org.apache.directory.server.dns.messages.QuestionRecord; 027 import org.apache.directory.server.dns.messages.ResourceRecord; 028 029 030 /** 031 * The store interface used by the DNS protocol to lookup resource records. 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 * @version $Rev: 642496 $, $Date: 2008-03-29 04:09:22 +0100 (Sat, 29 Mar 2008) $ 035 */ 036 public interface RecordStore 037 { 038 /** 039 * Returns a set of {@link ResourceRecord}s, given a DNS {@link QuestionRecord}. 040 * If something bad happens throw the accurate {@link DnsException} 041 * @param question 042 * @return The set of {@link ResourceRecord}s. 043 * @throws DnsException 044 */ 045 public Set<ResourceRecord> getRecords( QuestionRecord question ) throws DnsException; 046 }