001package org.eclipse.aether.impl; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.eclipse.aether.RepositorySystemSession; 023import org.eclipse.aether.artifact.Artifact; 024import org.eclipse.aether.metadata.Metadata; 025import org.eclipse.aether.transfer.ArtifactTransferException; 026import org.eclipse.aether.transfer.MetadataTransferException; 027 028/** 029 * Determines if updates of artifacts and metadata from remote repositories are needed. 030 * 031 * @noimplement This interface is not intended to be implemented by clients. 032 * @noextend This interface is not intended to be extended by clients. 033 * @provisional This type is provisional and can be changed, moved or removed without prior notice. 034 */ 035public interface UpdateCheckManager 036{ 037 038 /** 039 * Checks whether an artifact has to be updated from a remote repository. 040 * 041 * @param session The repository system session during which the request is made, must not be {@code null}. 042 * @param check The update check request, must not be {@code null}. 043 */ 044 void checkArtifact( RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check ); 045 046 /** 047 * Updates the timestamp for the artifact contained in the update check. 048 * 049 * @param session The repository system session during which the request is made, must not be {@code null}. 050 * @param check The update check request, must not be {@code null}. 051 */ 052 void touchArtifact( RepositorySystemSession session, UpdateCheck<Artifact, ArtifactTransferException> check ); 053 054 /** 055 * Checks whether metadata has to be updated from a remote repository. 056 * 057 * @param session The repository system session during which the request is made, must not be {@code null}. 058 * @param check The update check request, must not be {@code null}. 059 */ 060 void checkMetadata( RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check ); 061 062 /** 063 * Updates the timestamp for the metadata contained in the update check. 064 * 065 * @param session The repository system session during which the request is made, must not be {@code null}. 066 * @param check The update check request, must not be {@code null}. 067 */ 068 void touchMetadata( RepositorySystemSession session, UpdateCheck<Metadata, MetadataTransferException> check ); 069 070}