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.deployment.DeployRequest; 024import org.eclipse.aether.installation.InstallRequest; 025 026/** 027 * A factory to create metadata generators. Metadata generators can contribute additional metadata during the 028 * installation/deployment of artifacts. 029 * 030 * @provisional This type is provisional and can be changed, moved or removed without prior notice. 031 */ 032public interface MetadataGeneratorFactory 033{ 034 035 /** 036 * Creates a new metadata generator for the specified install request. 037 * 038 * @param session The repository system session from which to configure the generator, must not be {@code null}. 039 * @param request The install request the metadata generator is used for, must not be {@code null}. 040 * @return The metadata generator for the request or {@code null} if none. 041 */ 042 MetadataGenerator newInstance( RepositorySystemSession session, InstallRequest request ); 043 044 /** 045 * Creates a new metadata generator for the specified deploy request. 046 * 047 * @param session The repository system session from which to configure the generator, must not be {@code null}. 048 * @param request The deploy request the metadata generator is used for, must not be {@code null}. 049 * @return The metadata generator for the request or {@code null} if none. 050 */ 051 MetadataGenerator newInstance( RepositorySystemSession session, DeployRequest request ); 052 053 /** 054 * The priority of this factory. Factories with higher priority are invoked before those with lower priority. 055 * 056 * @return The priority of this factory. 057 */ 058 float getPriority(); 059 060}