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1   package org.apache.maven.index.context;
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 java.util.ArrayList;
23  import java.util.Collection;
24  import java.util.Collections;
25  import java.util.List;
26  
27  /**
28   * A simple "static" context member provider, when the members are known in advance.
29   * 
30   * @author cstamas
31   */
32  public class StaticContextMemberProvider
33      implements ContextMemberProvider
34  {
35      private final List<IndexingContext> members;
36  
37      public StaticContextMemberProvider( Collection<IndexingContext> members )
38      {
39          ArrayList<IndexingContext> m = new ArrayList<IndexingContext>();
40  
41          if ( members != null )
42          {
43              m.addAll( members );
44          }
45  
46          this.members = Collections.unmodifiableList( m );
47      }
48  
49      public List<IndexingContext> getMembers()
50      {
51          return members;
52      }
53  }