1 package org.eclipse.aether.impl;
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.eclipse.aether.RepositorySystemSession;
23 import org.eclipse.aether.artifact.Artifact;
24 import org.eclipse.aether.metadata.Metadata;
25 import org.eclipse.aether.transfer.ArtifactTransferException;
26 import org.eclipse.aether.transfer.MetadataTransferException;
27
28 /**
29 * Determines if updates of artifacts and metadata from remote repositories are needed.
30 *
31 * @noimplement This interface is not intended to be implemented by clients.
32 * @noextend This interface is not intended to be extended by clients.
33 * @provisional This type is provisional and can be changed, moved or removed without prior notice.
34 */
35 public interface UpdateCheckManager
36 {
37
38 /**
39 * Checks whether an artifact has to be updated from a remote repository.
40 *
41 * @param session The repository system session during which the request is made, must not be {@code null}.
42 * @param check The update check request, must not be {@code null}.
43 */
44 void checkArtifact( RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check );
45
46 /**
47 * Updates the timestamp for the artifact contained in the update check.
48 *
49 * @param session The repository system session during which the request is made, must not be {@code null}.
50 * @param check The update check request, must not be {@code null}.
51 */
52 void touchArtifact( RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check );
53
54 /**
55 * Checks whether metadata has to be updated from a remote repository.
56 *
57 * @param session The repository system session during which the request is made, must not be {@code null}.
58 * @param check The update check request, must not be {@code null}.
59 */
60 void checkMetadata( RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check );
61
62 /**
63 * Updates the timestamp for the metadata contained in the update check.
64 *
65 * @param session The repository system session during which the request is made, must not be {@code null}.
66 * @param check The update check request, must not be {@code null}.
67 */
68 void touchMetadata( RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check );
69
70 }