Lucene++ - a full-featured, c++ search engine
API Documentation
Main Page
Related Pages
Namespaces
Data Structures
Files
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Pages
include
FuzzyTermEnum.h
Go to the documentation of this file.
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 FUZZYTERMENUM_H
8
#define FUZZYTERMENUM_H
9
10
#include "
FilteredTermEnum.h
"
11
12
namespace
Lucene
13
{
18
class
LPPAPI
FuzzyTermEnum
:
public
FilteredTermEnum
19
{
20
public
:
30
FuzzyTermEnum
(
IndexReaderPtr
reader,
TermPtr
term,
double
minSimilarity, int32_t prefixLength);
31
FuzzyTermEnum
(
IndexReaderPtr
reader,
TermPtr
term,
double
minSimilarity);
32
FuzzyTermEnum
(
IndexReaderPtr
reader,
TermPtr
term);
33
34
virtual
~
FuzzyTermEnum
();
35
36
LUCENE_CLASS
(
FuzzyTermEnum
);
37
38
protected
:
40
Collection<int32_t>
p;
41
Collection<int32_t>
d
;
42
43
double
_similarity
;
44
bool
_endEnum
;
45
46
TermPtr
searchTerm
;
47
String
field
;
48
String
text
;
49
String
prefix
;
50
51
double
minimumSimilarity
;
52
double
scale_factor
;
53
54
public
:
55
virtual
double
difference();
56
virtual
bool
endEnum();
57
virtual
void
close();
58
59
protected
:
60
void
ConstructTermEnum(
IndexReaderPtr
reader,
TermPtr
term,
double
minSimilarity, int32_t prefixLength);
61
64
virtual
bool
termCompare(
TermPtr
term);
65
106
double
similarity(
const
String& target);
107
112
int32_t calculateMaxDistance(int32_t m);
113
};
114
}
115
116
#endif
clucene.sourceforge.net