1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.directory.server.dns.store;
21
22
23 import java.util.Set;
24
25 import org.apache.directory.server.dns.DnsException;
26 import org.apache.directory.server.dns.messages.QuestionRecord;
27 import org.apache.directory.server.dns.messages.ResourceRecord;
28
29
30 /**
31 * The store interface used by the DNS protocol to lookup resource records.
32 *
33 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34 * @version $Rev: 642496 $, $Date: 2008-03-29 04:09:22 +0100 (Sa, 29 Mär 2008) $
35 */
36 public interface RecordStore
37 {
38 /**
39 * Returns a set of {@link ResourceRecord}s, given a DNS {@link QuestionRecord}.
40 * If something bad happens throw the accurate {@link DnsException}
41 * @param question
42 * @return The set of {@link ResourceRecord}s.
43 * @throws DnsException
44 */
45 public Set<ResourceRecord> getRecords( QuestionRecord question ) throws DnsException;
46 }