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OpenBitSetIterator.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 OPENBITSETITERATOR_H
8#define OPENBITSETITERATOR_H
9
10#include "DocIdSetIterator.h"
11
12namespace Lucene {
13
17class LPPAPI OpenBitSetIterator : public DocIdSetIterator {
18public:
20 OpenBitSetIterator(LongArray bits, int32_t numWords);
22
24
25protected:
26 LongArray arr;
27 int32_t words;
28 int32_t i;
29 int64_t word;
30 int32_t wordShift;
31 int32_t indexArray;
32 int32_t curDocId;
33
38 static const int32_t bitlist[];
39
40public:
41 virtual int32_t nextDoc();
42 virtual int32_t advance(int32_t target);
43 virtual int32_t docID();
44
45protected:
47 void shift();
48};
49
50}
51
52#endif
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
This abstract class defines methods to iterate over a set of non-decreasing doc ids....
Definition DocIdSetIterator.h:17
An iterator to iterate over set bits in an OpenBitSet. This is faster than nextSetBit() for iterating...
Definition OpenBitSetIterator.h:17
int64_t word
Definition OpenBitSetIterator.h:29
LongArray arr
Definition OpenBitSetIterator.h:26
virtual int32_t docID()
Returns the following:
int32_t i
Definition OpenBitSetIterator.h:28
int32_t wordShift
Definition OpenBitSetIterator.h:30
int32_t words
Definition OpenBitSetIterator.h:27
OpenBitSetIterator(const OpenBitSetPtr &bitSet)
void shift()
64 bit shifts
virtual int32_t advance(int32_t target)
Advances to the first beyond the current whose document number is greater than or equal to target....
virtual int32_t nextDoc()
Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...
int32_t curDocId
Definition OpenBitSetIterator.h:32
int32_t indexArray
Definition OpenBitSetIterator.h:31
OpenBitSetIterator(LongArray bits, int32_t numWords)
Definition AbstractAllTermDocs.h:12
boost::shared_ptr< OpenBitSet > OpenBitSetPtr
Definition LuceneTypes.h:543

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