1 package org.apache.archiva.repository;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.archiva.repository.storage.RepositoryStorage;
23
24 import java.util.List;
25
26 /**
27 * Interface for repository groups.
28 *
29 * Repository groups are a combined view over a list of repositories.
30 * All repositories of this group must be of the same type.
31 *
32 * Repository groups are read only. You cannot store artifacts into a repository group.
33 *
34 * This interface extends <code>{@link RepositoryStorage}</code> to provide access to the merged
35 * index data files and other metadata.
36 *
37 */
38 public interface RepositoryGroup extends Repository, RepositoryStorage {
39
40 /**
41 * Returns the list of repositories. The order of the elements represents
42 * the order of getting artifacts (first one wins).
43 *
44 *
45 * @return
46 */
47 List<ManagedRepository> getRepositories();
48
49 /**
50 * Returns true, if the given repository is part of this group.
51 *
52 * @param repository The repository to check.
53 * @return True, if it is part, otherwise false.
54 */
55 boolean contains(ManagedRepository repository);
56
57 /**
58 * Returns true, if the repository with the given id is part of this group.
59 *
60 * @param id The repository id to check
61 * @return True, if it is part, otherwise false
62 */
63 boolean contains(String id);
64
65 /**
66 * Returns the time to live in seconds for the merged index.
67 *
68 * @return
69 */
70 int getMergedIndexTTL();
71 }