| package org.eclipse.aether.graph; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /** |
| * A visitor for nodes of the dependency graph. |
| * |
| * @see DependencyNode#accept(DependencyVisitor) |
| */ |
| public interface DependencyVisitor |
| { |
| |
| /** |
| * Notifies the visitor of a node visit before its children have been processed. |
| * |
| * @param node The dependency node being visited, must not be {@code null}. |
| * @return {@code true} to visit child nodes of the specified node as well, {@code false} to skip children. |
| */ |
| boolean visitEnter( DependencyNode node ); |
| |
| /** |
| * Notifies the visitor of a node visit after its children have been processed. Note that this method is always |
| * invoked regardless whether any children have actually been visited. |
| * |
| * @param node The dependency node being visited, must not be {@code null}. |
| * @return {@code true} to visit siblings nodes of the specified node as well, {@code false} to skip siblings. |
| */ |
| boolean visitLeave( DependencyNode node ); |
| |
| } |