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MergeDocIDRemapper.h
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1 // 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 MERGEDOCIDREMAPPER_H
8 #define MERGEDOCIDREMAPPER_H
9 
10 #include "LuceneObject.h"
11 
12 namespace Lucene {
13 
18 public:
19  MergeDocIDRemapper(const SegmentInfosPtr& infos, Collection< Collection<int32_t> > docMaps, Collection<int32_t> delCounts, const OneMergePtr& merge, int32_t mergedDocCount);
20  virtual ~MergeDocIDRemapper();
21 
23 
24 public:
25  Collection<int32_t> starts; // used for binary search of mapped docID
26  Collection<int32_t> newStarts; // starts, minus the deletes
27  Collection< Collection<int32_t> > docMaps; // maps docIDs in the merged set
28  int32_t minDocID; // minimum docID that needs renumbering
29  int32_t maxDocID; // 1+ the max docID that needs renumbering
30  int32_t docShift; // total # deleted docs that were compacted by this merge
31 
32 public:
33  int32_t remap(int32_t oldDocID);
34 };
35 
36 }
37 
38 #endif
MergeDocIDRemapper(const SegmentInfosPtr &infos, Collection< Collection< int32_t > > docMaps, Collection< int32_t > delCounts, const OneMergePtr &merge, int32_t mergedDocCount)
int32_t docShift
Definition: MergeDocIDRemapper.h:30
boost::shared_ptr< OneMerge > OneMergePtr
Definition: LuceneTypes.h:192
Collection< int32_t > newStarts
Definition: MergeDocIDRemapper.h:26
Remaps docIDs after a merge has completed, where the merged segments had at least one deletion...
Definition: MergeDocIDRemapper.h:17
boost::shared_ptr< SegmentInfos > SegmentInfosPtr
Definition: LuceneTypes.h:210
Base class for all Lucene classes.
Definition: LuceneObject.h:31
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Definition: AbstractAllTermDocs.h:12
Collection< int32_t > starts
Definition: MergeDocIDRemapper.h:22
int32_t minDocID
Definition: MergeDocIDRemapper.h:28
int32_t maxDocID
Definition: MergeDocIDRemapper.h:29
int32_t remap(int32_t oldDocID)
Utility template class to handle collections that can be safely copied and shared.
Definition: Collection.h:17
Collection< Collection< int32_t > > docMaps
Definition: MergeDocIDRemapper.h:27

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