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1   package org.apache.maven.index;
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.io.IOException;
23  import java.util.Collection;
24  import java.util.Comparator;
25  import java.util.Set;
26  
27  import org.apache.lucene.search.Query;
28  import org.apache.maven.index.context.IndexingContext;
29  
30  /**
31   * A search engine used to perform searches trough repository indexes.
32   * 
33   * @author Eugene Kuleshov
34   * @author Jason van Zyl
35   * @author Tamas Cservenak
36   */
37  public interface SearchEngine
38  {
39      @Deprecated
40      Set<ArtifactInfo> searchFlat( Comparator<ArtifactInfo> artifactInfoComparator, IndexingContext indexingContext,
41                                    Query query )
42          throws IOException;
43  
44      @Deprecated
45      Set<ArtifactInfo> searchFlat( Comparator<ArtifactInfo> artifactInfoComparator,
46                                    Collection<IndexingContext> indexingContexts, Query query )
47          throws IOException;
48  
49      /**
50       * Do the search only on searchable contexts
51       */
52      FlatSearchResponse searchFlatPaged( FlatSearchRequest request, Collection<IndexingContext> indexingContexts )
53          throws IOException;
54  
55      /**
56       * Do the search only on searchable contexts
57       */
58      IteratorSearchResponse searchIteratorPaged( IteratorSearchRequest request,
59                                                  Collection<IndexingContext> indexingContexts )
60          throws IOException;
61  
62      /**
63       * Do the search only on searchable contexts
64       */
65      GroupedSearchResponse searchGrouped( GroupedSearchRequest request, Collection<IndexingContext> indexingContexts )
66          throws IOException;
67  
68      /**
69       * Do the search in all contexts, no matter if the context is searchable or not
70       */
71      FlatSearchResponse forceSearchFlatPaged( FlatSearchRequest request, Collection<IndexingContext> indexingContexts )
72          throws IOException;
73  
74      /**
75       * Do the search in all contexts, no matter if the context is searchable or not
76       */
77      IteratorSearchResponse forceSearchIteratorPaged( IteratorSearchRequest request,
78                                                       Collection<IndexingContext> indexingContexts )
79          throws IOException;
80  
81      /**
82       * Do the search in all contexts, no matter if the context is searchable or not
83       */
84      GroupedSearchResponse forceSearchGrouped( GroupedSearchRequest request,
85                                                Collection<IndexingContext> indexingContexts )
86          throws IOException;
87  }