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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.context;
20  
21  import java.util.ArrayList;
22  import java.util.Collection;
23  import java.util.Collections;
24  import java.util.List;
25  
26  /**
27   * A simple "static" context member provider, when the members are known in advance.
28   *
29   * @author cstamas
30   */
31  public class StaticContextMemberProvider implements ContextMemberProvider {
32      private final List<IndexingContext> members;
33  
34      public StaticContextMemberProvider(Collection<IndexingContext> members) {
35          ArrayList<IndexingContext> m = new ArrayList<>();
36  
37          if (members != null) {
38              m.addAll(members);
39          }
40  
41          this.members = Collections.unmodifiableList(m);
42      }
43  
44      public List<IndexingContext> getMembers() {
45          return members;
46      }
47  }