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ByteSliceReader.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 BYTESLICEREADER_H
8#define BYTESLICEREADER_H
9
10#include "IndexInput.h"
11
12namespace Lucene {
13
16class LPPAPI ByteSliceReader : public IndexInput {
17public:
20
22
23public:
25 int32_t bufferUpto;
26 ByteArray buffer;
27 int32_t upto;
28 int32_t limit;
29 int32_t level;
30 int32_t bufferOffset;
31 int32_t endIndex;
32
33public:
34 void init(const ByteBlockPoolPtr& pool, int32_t startIndex, int32_t endIndex);
35 bool eof();
36
38 virtual uint8_t readByte();
39
40 int64_t writeTo(const IndexOutputPtr& out);
41
42 void nextSlice();
43
45 virtual void readBytes(uint8_t* b, int32_t offset, int32_t length);
46
48 virtual int64_t getFilePointer();
49
51 virtual int64_t length();
52
54 virtual void seek(int64_t pos);
55
57 virtual void close();
58};
59
60}
61
62#endif
#define LUCENE_CLASS(Name)
Definition LuceneObject.h:24
IndexInput that knows how to read the byte slices written by Posting and PostingVector....
Definition ByteSliceReader.h:16
int32_t bufferUpto
Definition ByteSliceReader.h:25
virtual uint8_t readByte()
Reads and returns a single byte.
virtual int64_t getFilePointer()
Not implemented.
int32_t level
Definition ByteSliceReader.h:29
virtual int64_t length()
Not implemented.
void init(const ByteBlockPoolPtr &pool, int32_t startIndex, int32_t endIndex)
virtual void readBytes(uint8_t *b, int32_t offset, int32_t length)
Reads a specified number of bytes into an array at the specified offset.
int32_t limit
Definition ByteSliceReader.h:28
int32_t endIndex
Definition ByteSliceReader.h:31
virtual void close()
Not implemented.
virtual void seek(int64_t pos)
Not implemented.
ByteBlockPoolPtr pool
Definition ByteSliceReader.h:24
ByteArray buffer
Definition ByteSliceReader.h:26
int64_t writeTo(const IndexOutputPtr &out)
int32_t bufferOffset
Definition ByteSliceReader.h:30
int32_t upto
Definition ByteSliceReader.h:27
Abstract base class for input from a file in a Directory. A random-access input stream....
Definition IndexInput.h:17
Definition AbstractAllTermDocs.h:12
boost::shared_ptr< ByteBlockPool > ByteBlockPoolPtr
Definition LuceneTypes.h:89
boost::shared_ptr< IndexOutput > IndexOutputPtr
Definition LuceneTypes.h:494

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