/strigi-0.7.7/libstreamanalyzer/plugins/indexers/clucenengindexer/cluceneindexwriter.h

 1/* This file is part of Strigi Desktop Search
 2 *
 3 * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
 4 *
 5 * This library is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU Library General Public
 7 * License as published by the Free Software Foundation; either
 8 * version 2 of the License, or (at your option) any later version.
 9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20#ifndef CLUCENEINDEXWRITER_H
21#define CLUCENEINDEXWRITER_H
22
23#include <CLucene.h>
24#include <strigi/strigiconfig.h>
25#include <strigi/indexwriter.h>
26#include <strigi/analysisresult.h>
27#include <strigi/analyzerconfiguration.h>
28
29class CLuceneIndexManager;
30class CLuceneIndexWriter : public Strigi::IndexWriter {
31private:
32    CLuceneIndexManager* manager;
33    int doccount;
34    static const wchar_t* systemlocation();
35
36protected:
37    void startAnalysis(const Strigi::AnalysisResult*);
38    void finishAnalysis(const Strigi::AnalysisResult*);
39    void addText(const Strigi::AnalysisResult*, const char* text, int32_t length);
40    static void addValue(const Strigi::AnalysisResult* idx,
41        Strigi::AnalyzerConfiguration::FieldType type, const TCHAR* name,
42        const TCHAR* value);
43    static void addValue(const Strigi::AnalysisResult* idx,
44        Strigi::AnalyzerConfiguration::FieldType type, const TCHAR* name,
45        const std::string& value);
46    void addValue(const Strigi::AnalysisResult* idx,
47        const Strigi::RegisteredField* field, const std::string& value);
48    void addValue(const Strigi::AnalysisResult*,
49        const Strigi::RegisteredField* fieldname,
50        const unsigned char* data, uint32_t size);
51    void addValue(const Strigi::AnalysisResult*,
52        const Strigi::RegisteredField* fieldname, uint32_t value);
53    void addValue(const Strigi::AnalysisResult*,
54        const Strigi::RegisteredField* fieldname, int32_t value);
55    void addValue(const Strigi::AnalysisResult*,
56        const Strigi::RegisteredField* fieldname, double value);
57    void addTriplet(const std::string& subject,
58        const std::string& predicate, const std::string& object) {}
59    void addValue(const Strigi::AnalysisResult*,
60        const Strigi::RegisteredField* field, const std::string& name,
61        const std::string& value) {}
62    void initWriterData(const Strigi::FieldRegister& f);
63    void releaseWriterData(const Strigi::FieldRegister& f);
64public:
65    explicit CLuceneIndexWriter(CLuceneIndexManager* m);
66    ~CLuceneIndexWriter();
67    void commit();
68
69    void deleteEntries(const std::vector<std::string>& entries);
70    void deleteAllEntries();
71    void deleteEntry(const std::string& entry, lucene::index::IndexWriter* writer, lucene::index::IndexReader* reader);
72
73    static const TCHAR* mapId(const TCHAR* id);
74    static void addMapping(const TCHAR* from, const TCHAR* to);
75};
76
77#endif