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 package org.eclipse.aether.impl;
20
21 import org.eclipse.aether.RepositorySystemSession;
22 import org.eclipse.aether.artifact.Artifact;
23 import org.eclipse.aether.metadata.Metadata;
24 import org.eclipse.aether.transfer.ArtifactTransferException;
25 import org.eclipse.aether.transfer.MetadataTransferException;
26
27 /**
28 * Determines if updates of artifacts and metadata from remote repositories are needed.
29 *
30 * @noimplement This interface is not intended to be implemented by clients.
31 * @noextend This interface is not intended to be extended by clients.
32 * @provisional This type is provisional and can be changed, moved or removed without prior notice.
33 */
34 public interface UpdateCheckManager {
35
36 /**
37 * Checks whether an artifact has to be updated from a remote repository.
38 *
39 * @param session The repository system session during which the request is made, must not be {@code null}.
40 * @param check The update check request, must not be {@code null}.
41 */
42 void checkArtifact(RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check);
43
44 /**
45 * Updates the timestamp for the artifact contained in the update check.
46 *
47 * @param session The repository system session during which the request is made, must not be {@code null}.
48 * @param check The update check request, must not be {@code null}.
49 */
50 void touchArtifact(RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check);
51
52 /**
53 * Checks whether metadata has to be updated from a remote repository.
54 *
55 * @param session The repository system session during which the request is made, must not be {@code null}.
56 * @param check The update check request, must not be {@code null}.
57 */
58 void checkMetadata(RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check);
59
60 /**
61 * Updates the timestamp for the metadata contained in the update check.
62 *
63 * @param session The repository system session during which the request is made, must not be {@code null}.
64 * @param check The update check request, must not be {@code null}.
65 */
66 void touchMetadata(RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check);
67 }