1 package org.apache.maven.lifecycle.internal;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.apache.maven.project.MavenProject;
23
24 import java.util.HashMap;
25 import java.util.List;
26 import java.util.Map;
27
28 /**
29 * Provides the positional index of the project
30 *
31 * @since 3.0
32 * @author Benjamin Bentmann
33 * @author Kristian Rosenvold (extracted class only)
34 * <p/>
35 * NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
36 */
37 // Todo: Kristian wonders if this class really is necessary and if it overlaps other concepts.
38 public final class ProjectIndex
39 {
40
41 private final Map<String, MavenProject> projects;
42
43 private final Map<String, Integer> indices;
44
45 public ProjectIndex( List<MavenProject> projects )
46 {
47 this.projects = new HashMap<String, MavenProject>( projects.size() * 2 );
48 this.indices = new HashMap<String, Integer>( projects.size() * 2 );
49
50 for ( int i = 0; i < projects.size(); i++ )
51 {
52 MavenProject project = projects.get( i );
53 String key = BuilderCommon.getKey( project );
54
55 this.getProjects().put( key, project );
56 this.getIndices().put( key, i );
57 }
58 }
59
60 public Map<String, MavenProject> getProjects()
61 {
62 return projects;
63 }
64
65 public Map<String, Integer> getIndices()
66 {
67 return indices;
68 }
69 }