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.apache.maven.repository;
20
21 import java.util.ArrayList;
22 import java.util.List;
23
24 /**
25 * MetadataGraph node - as it's a directed graph - holds adjacency lists for incident and exident nodes
26 *
27 *
28 */
29 @Deprecated
30 public class MetadataGraphNode {
31 /** node payload */
32 MavenArtifactMetadata metadata;
33
34 /** nodes, incident to this (depend on me) */
35 List<MetadataGraphNode> inNodes;
36
37 /** nodes, exident to this (I depend on) */
38 List<MetadataGraphNode> exNodes;
39
40 public MetadataGraphNode() {
41 inNodes = new ArrayList<>(4);
42 exNodes = new ArrayList<>(8);
43 }
44
45 public MetadataGraphNode(MavenArtifactMetadata metadata) {
46 this();
47 this.metadata = metadata;
48 }
49
50 public MetadataGraphNode addIncident(MetadataGraphNode node) {
51 inNodes.add(node);
52 return this;
53 }
54
55 public MetadataGraphNode addExident(MetadataGraphNode node) {
56 exNodes.add(node);
57 return this;
58 }
59
60 @Override
61 public boolean equals(Object obj) {
62 if (obj == null) {
63 return false;
64 }
65
66 if (MetadataGraphNode.class.isAssignableFrom(obj.getClass())) {
67 MetadataGraphNode node2 = (MetadataGraphNode) obj;
68
69 if (node2.metadata == null) {
70 return metadata == null;
71 }
72
73 return metadata != null && metadata.toString().equals(node2.metadata.toString());
74 } else {
75 return super.equals(obj);
76 }
77 }
78
79 @Override
80 public int hashCode() {
81 if (metadata == null) {
82 return super.hashCode();
83 }
84
85 return metadata.toString().hashCode();
86 }
87 }