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ReaderUtil.h
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1
2// Copyright (c) 2009-2014 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 READERUTIL_H
8#define READERUTIL_H
9
10#include "LuceneObject.h"
11
12 namespace Lucene {
13
15 class LPPAPI ReaderUtil : public LuceneObject {
16 public:
17 virtual ~ReaderUtil();
18 LUCENE_CLASS(ReaderUtil);
19
20 public:
22 static void gatherSubReaders(Collection<IndexReaderPtr> allSubReaders, const IndexReaderPtr& reader);
23
29 static IndexReaderPtr subReader(int32_t doc, const IndexReaderPtr& reader);
30
36 static IndexReaderPtr subReader(const IndexReaderPtr& reader, int32_t subIndex);
37
40 static int32_t subIndex(int32_t n, Collection<int32_t> docStarts);
41};
42
43}
44
45#endif
LuceneObject.h
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
Lucene::Collection
Utility template class to handle collections that can be safely copied and shared.
Definition Collection.h:17
Lucene::LuceneObject
Base class for all Lucene classes.
Definition LuceneObject.h:31
Lucene::ReaderUtil
Common util methods for dealing with IndexReaders.
Definition ReaderUtil.h:15
Lucene::ReaderUtil::subIndex
static int32_t subIndex(int32_t n, Collection< int32_t > docStarts)
Returns index of the searcher/reader for document n in the array used to construct this searcher/read...
Lucene::ReaderUtil::subReader
static IndexReaderPtr subReader(int32_t doc, const IndexReaderPtr &reader)
Returns sub IndexReader that contains the given document id.
Lucene::ReaderUtil::gatherSubReaders
static void gatherSubReaders(Collection< IndexReaderPtr > allSubReaders, const IndexReaderPtr &reader)
Gathers sub-readers from reader into a List.
Lucene::ReaderUtil::~ReaderUtil
virtual ~ReaderUtil()
Lucene::ReaderUtil::subReader
static IndexReaderPtr subReader(const IndexReaderPtr &reader, int32_t subIndex)
Returns sub-reader subIndex from reader.
Lucene
Definition AbstractAllTermDocs.h:12
Lucene::IndexReaderPtr
boost::shared_ptr< IndexReader > IndexReaderPtr
Definition LuceneTypes.h:157

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