File indexing completed on 2024-05-12 05:25:59 

0001 #pragma once
0002 
0003 #include "sink_export.h"
0004 
0005 #include <string>
0006 #include <functional>
0007 #include <QString>
0008 #include <QDateTime>
0009 #include <memory>
0010 #include "storage.h"
0011 #include "log.h"
0012 
0013 namespace Xapian {
0014     class Database;
0015     class WritableDatabase;
0016 };
0017 
0018 class SINK_EXPORT FulltextIndex
0019 {
0020 public:
0021     FulltextIndex(const QByteArray &resourceInstanceIdentifier, Sink::Storage::DataStore::AccessMode mode = Sink::Storage::DataStore::ReadOnly);
0022     ~FulltextIndex();
0023 
0024     static bool exists(const QByteArray &resourceInstanceIdentifier);
0025 
0026     void add(const Sink::Storage::Identifier &key, const QString &value, const QDateTime &date = {});
0027     void add(const Sink::Storage::Identifier &key, const QList<QPair<QString, QString>> &values, const QDateTime &date = {});
0028     void remove(const Sink::Storage::Identifier &key);
0029 
0030     void commitTransaction();
0031     void abortTransaction();
0032 
0033     QVector<Sink::Storage::Identifier> lookup(const QString &key, const Sink::Storage::Identifier &id = {});
0034 
0035     qint64 getDoccount() const;
0036     struct Result {
0037         bool found{false};
0038         QStringList terms;
0039     };
0040     Result getIndexContent(const Sink::Storage::Identifier &identifier) const;
0041     Result getIndexContent(const QByteArray &identifier) const
0042     {
0043         return getIndexContent(Sink::Storage::Identifier::fromDisplayByteArray(identifier));
0044     }
0045 
0046 private:
0047     Xapian::WritableDatabase* writableDatabase();
0048     Q_DISABLE_COPY(FulltextIndex);
0049     Xapian::Database *mDb{nullptr};
0050     QString mName;
0051     QString mDbPath;
0052     bool mHasTransactionOpen{false};
0053 };