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DefaultSkipListWriter.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 DEFAULTSKIPLISTWRITER_H
8 #define DEFAULTSKIPLISTWRITER_H
9 
11 
12 namespace Lucene {
13 
16 public:
18  virtual ~DefaultSkipListWriter();
19 
21 
22 protected:
27 
30 
31  int32_t curDoc;
34  int64_t curFreqPointer;
35  int64_t curProxPointer;
36 
37 public:
40 
42  void setSkipData(int32_t doc, bool storePayloads, int32_t payloadLength);
43 
44 protected:
45  virtual void resetSkip();
46  virtual void writeSkipData(int32_t level, const IndexOutputPtr& skipBuffer);
47 
49 };
50 
51 }
52 
53 #endif
Lucene::DefaultSkipListWriter::curDoc
int32_t curDoc
Definition: DefaultSkipListWriter.h:31
MultiLevelSkipListWriter.h
Lucene::FormatPostingsTermsWriter
Definition: FormatPostingsTermsWriter.h:14
LUCENE_CLASS
#define LUCENE_CLASS(Name)
Definition: LuceneObject.h:24
Lucene::DefaultSkipListWriter::curFreqPointer
int64_t curFreqPointer
Definition: DefaultSkipListWriter.h:34
Lucene::Collection< int32_t >
Lucene::DefaultSkipListWriter::~DefaultSkipListWriter
virtual ~DefaultSkipListWriter()
Lucene::DefaultSkipListWriter::lastSkipProxPointer
Collection< int64_t > lastSkipProxPointer
Definition: DefaultSkipListWriter.h:26
Lucene::DefaultSkipListWriter::lastSkipDoc
Collection< int32_t > lastSkipDoc
Definition: DefaultSkipListWriter.h:20
Lucene::DefaultSkipListWriter::proxOutput
IndexOutputPtr proxOutput
Definition: DefaultSkipListWriter.h:29
Lucene::MultiLevelSkipListWriter::skipBuffer
Collection< RAMOutputStreamPtr > skipBuffer
for every skip level a different buffer is used
Definition: MultiLevelSkipListWriter.h:51
Lucene::DefaultSkipListWriter::setProxOutput
void setProxOutput(const IndexOutputPtr &proxOutput)
Lucene::DefaultSkipListWriter::setFreqOutput
void setFreqOutput(const IndexOutputPtr &freqOutput)
Lucene::DefaultSkipListWriter::setSkipData
void setSkipData(int32_t doc, bool storePayloads, int32_t payloadLength)
Sets the values for the current skip data.
Lucene::DefaultSkipListWriter::resetSkip
virtual void resetSkip()
Lucene
Definition: AbstractAllTermDocs.h:12
Lucene::DefaultSkipListWriter::DefaultSkipListWriter
DefaultSkipListWriter(int32_t skipInterval, int32_t numberOfSkipLevels, int32_t docCount, const IndexOutputPtr &freqOutput, const IndexOutputPtr &proxOutput)
Lucene::DefaultSkipListWriter::curPayloadLength
int32_t curPayloadLength
Definition: DefaultSkipListWriter.h:33
Lucene::DefaultSkipListWriter::lastSkipPayloadLength
Collection< int32_t > lastSkipPayloadLength
Definition: DefaultSkipListWriter.h:24
Lucene::DefaultSkipListWriter::curStorePayloads
bool curStorePayloads
Definition: DefaultSkipListWriter.h:32
Lucene::MultiLevelSkipListWriter
This abstract class writes skip lists with multiple levels.
Definition: MultiLevelSkipListWriter.h:36
Lucene::DefaultSkipListWriter::curProxPointer
int64_t curProxPointer
Definition: DefaultSkipListWriter.h:35
Lucene::DefaultSkipListWriter::freqOutput
IndexOutputPtr freqOutput
Definition: DefaultSkipListWriter.h:28
Lucene::DefaultSkipListWriter::lastSkipFreqPointer
Collection< int64_t > lastSkipFreqPointer
Definition: DefaultSkipListWriter.h:25
Lucene::DefaultSkipListWriter::writeSkipData
virtual void writeSkipData(int32_t level, const IndexOutputPtr &skipBuffer)
Subclasses must implement the actual skip data encoding in this method.
Lucene::MultiLevelSkipListWriter::skipInterval
int32_t skipInterval
the skip interval in the list with level = 0
Definition: MultiLevelSkipListWriter.h:48
Lucene::DefaultSkipListWriter
Implements the skip list writer for the default posting list format that stores positions and payload...
Definition: DefaultSkipListWriter.h:15
Lucene::IndexOutputPtr
boost::shared_ptr< IndexOutput > IndexOutputPtr
Definition: LuceneTypes.h:494
Lucene::MultiLevelSkipListWriter::numberOfSkipLevels
int32_t numberOfSkipLevels
number of levels in this skip list
Definition: MultiLevelSkipListWriter.h:41

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