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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.index;
20  
21  import java.util.Comparator;
22  import java.util.Set;
23  import java.util.TreeSet;
24  
25  /**
26   * An object that holds grouped sets of {@link ArtifactInfo} in case of grouped search.
27   *
28   * @author Tamas Cservenak
29   */
30  public class ArtifactInfoGroup {
31      private String groupKey;
32  
33      private final Set<ArtifactInfo> artifactInfos;
34  
35      public ArtifactInfoGroup(String groupKey) {
36          this(groupKey, ArtifactInfo.VERSION_COMPARATOR);
37      }
38  
39      public ArtifactInfoGroup(String groupKey, Comparator<ArtifactInfo> comparator) {
40          this.groupKey = groupKey;
41  
42          this.artifactInfos = new TreeSet<>(comparator);
43      }
44  
45      public String getGroupKey() {
46          return groupKey;
47      }
48  
49      public boolean addArtifactInfo(ArtifactInfo artifactInfo) {
50          return artifactInfos.add(artifactInfo);
51      }
52  
53      public Set<ArtifactInfo> getArtifactInfos() {
54          return artifactInfos;
55      }
56  
57      @Override
58      public String toString() {
59          return groupKey + "=" + artifactInfos;
60      }
61  }