1 package org.apache.maven.repository.metadata; 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.maven.artifact.ArtifactScopeEnum; 23 24 /** 25 * Resolves conflicts in the supplied dependency graph. 26 * Different implementations will implement different conflict resolution policies. 27 * 28 * @author <a href="mailto:oleg@codehaus.org">Oleg Gusakov</a> 29 */ 30 public interface GraphConflictResolver 31 { 32 String ROLE = GraphConflictResolver.class.getName(); 33 34 /** 35 * Cleanses the supplied graph by leaving only one directed versioned edge\ 36 * between any two nodes, if multiple exists. Uses scope relationships, defined 37 * in <code>ArtifactScopeEnum</code> 38 * 39 * @param graph the "dirty" graph to be simplified via conflict resolution 40 * @param scope scope for which the graph should be resolved 41 * 42 * @return resulting "clean" graph for the specified scope 43 * 44 * @since 3.0 45 */ 46 MetadataGraph resolveConflicts( MetadataGraph graph, ArtifactScopeEnum scope ) 47 throws GraphConflictResolutionException; 48 }