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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.Collection;
23  
24  /**
25   * This is the main graph data structure used by the RepositorySystem to present tree and graph objects.
26   *
27   *
28   */
29  @Deprecated
30  public class MetadataGraph {
31      /** all graph nodes */
32      Collection<MetadataGraphNode> nodes;
33  
34      /** entry point for tree-like structures */
35      MetadataGraphNode entry;
36  
37      public MetadataGraph(MetadataGraphNode entry) {
38          this();
39  
40          this.entry = entry;
41      }
42  
43      public MetadataGraph() {
44          nodes = new ArrayList<>(64);
45      }
46  
47      public void addNode(MetadataGraphNode node) {
48          nodes.add(node);
49      }
50  
51      /**
52       * find a node by the GAV (metadata)
53       *
54       * @param md
55       */
56      public MetadataGraphNode findNode(MavenArtifactMetadata md) {
57          for (MetadataGraphNode mgn : nodes) {
58              if (mgn.metadata.equals(md)) {
59                  return mgn;
60              }
61          }
62  
63          MetadataGraphNode node = new MetadataGraphNode(md);
64          addNode(node);
65          return node;
66      }
67  
68      /**
69       * getter
70       */
71      public MetadataGraphNode getEntry() {
72          return entry;
73      }
74  
75      /**
76       * getter
77       */
78      public Collection<MetadataGraphNode> getNodes() {
79          return nodes;
80      }
81  }