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MergeDocIDRemapper.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 MERGEDOCIDREMAPPER_H
8 #define MERGEDOCIDREMAPPER_H
9 
10 #include "LuceneObject.h"
11 
12 namespace Lucene
13 {
18  {
19  public:
20  MergeDocIDRemapper(SegmentInfosPtr infos, Collection< Collection<int32_t> > docMaps, Collection<int32_t> delCounts, OneMergePtr merge, int32_t mergedDocCount);
21  virtual ~MergeDocIDRemapper();
22 
24 
25  public:
26  Collection<int32_t> starts; // used for binary search of mapped docID
27  Collection<int32_t> newStarts; // starts, minus the deletes
28  Collection< Collection<int32_t> > docMaps; // maps docIDs in the merged set
29  int32_t minDocID; // minimum docID that needs renumbering
30  int32_t maxDocID; // 1+ the max docID that needs renumbering
31  int32_t docShift; // total # deleted docs that were compacted by this merge
32 
33  public:
34  int32_t remap(int32_t oldDocID);
35  };
36 }
37 
38 #endif

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