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1   package org.apache.archiva.indexer.merger;
2   /*
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   */
20  
21  import org.apache.archiva.indexer.ArchivaIndexingContext;
22  
23  import java.util.Collection;
24  
25  /**
26   * @author Olivier Lamy
27   * @since 1.4-M2
28   */
29  public interface IndexMerger
30  {
31      /**
32       * @param indexMergerRequest
33       * @return a temporary directory with a merge index (directory marked deleteOnExit)
34       * @throws IndexMergerException
35       */
36      ArchivaIndexingContext buildMergedIndex(IndexMergerRequest indexMergerRequest )
37          throws IndexMergerException;
38  
39      void cleanTemporaryGroupIndex( TemporaryGroupIndex temporaryGroupIndex );
40  
41      Collection<TemporaryGroupIndex> getTemporaryGroupIndexes();
42  }