001package org.apache.maven.repository.metadata;
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
022/**
023 *  MetadataGraph edge selection policy. Complements
024 *  GraphConflictResolver by being injected into it
025 *
026 * @author <a href="mailto:oleg@codehaus.org">Oleg Gusakov</a>
027 *
028 */
029
030public interface GraphConflictResolutionPolicy
031{
032    String ROLE = GraphConflictResolutionPolicy.class.getName();
033
034    MetadataGraphEdge apply( MetadataGraphEdge e1, MetadataGraphEdge e2 );
035}