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.graph; 20 21 import java.util.List; 22 23 /** 24 * A filter to include/exclude dependency nodes during other operations. 25 */ 26 public interface DependencyFilter { 27 28 /** 29 * Indicates whether the specified dependency node shall be included or excluded. 30 * 31 * @param node The dependency node to filter, must not be {@code null}. 32 * @param parents The (read-only) chain of parent nodes that leads to the node to be filtered, must not be 33 * {@code null}. Iterating this (possibly empty) list walks up the dependency graph towards the root 34 * node, i.e. the immediate parent node (if any) is the first node in the list. The size of the list also 35 * denotes the zero-based depth of the filtered node. 36 * @return {@code true} to include the dependency node, {@code false} to exclude it. 37 */ 38 boolean accept(DependencyNode node, List<DependencyNode> parents); 39 }