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SpanQuery.h
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1 // Copyright (c) 2009-2011 Alan Wright. All rights reserved.
3 // Distributable under the terms of either the Apache License (Version 2.0)
4 // or the GNU Lesser General Public License.
6
7 #ifndef SPANQUERY_H
8 #define SPANQUERY_H
9
10 #include "Query.h"
11
12 namespace Lucene
13 {
15 class LPPAPI SpanQuery : public Query
16 {
17 public:
18 virtual ~SpanQuery();
19 LUCENE_CLASS(SpanQuery);
20
21 public:
23 virtual SpansPtr getSpans(IndexReaderPtr reader) = 0;
24
26 virtual String getField() = 0;
27
28 virtual WeightPtr createWeight(SearcherPtr searcher);
29 };
30 }
31
32 #endif

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