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/** @file glass_document.h
* @brief A document read from a GlassDatabase.
*/
/* Copyright (C) 2008,2009,2010,2011 Olly Betts
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef XAPIAN_INCLUDED_GLASS_DOCUMENT_H
#define XAPIAN_INCLUDED_GLASS_DOCUMENT_H
#include "glass_docdata.h"
#include "glass_values.h"
#include "backends/database.h"
#include "backends/document.h"
/// A document read from a GlassDatabase.
class GlassDocument : public Xapian::Document::Internal {
/// Don't allow assignment.
void operator=(const GlassDocument &);
/// Don't allow copying.
GlassDocument(const GlassDocument &);
/// Used for lazy access to document values.
const GlassValueManager *value_manager;
/// Used for lazy access to document data.
const GlassDocDataTable *docdata_table;
/// GlassDatabase::open_document() needs to call our private constructor.
friend class GlassDatabase;
/// Private constructor - only called by GlassDatabase::open_document().
GlassDocument(Xapian::Internal::intrusive_ptr<const Xapian::Database::Internal> db,
Xapian::docid did_,
const GlassValueManager *value_manager_,
const GlassDocDataTable *docdata_table_)
: Xapian::Document::Internal(db, did_),
value_manager(value_manager_), docdata_table(docdata_table_) { }
public:
/** Implementation of virtual methods @{ */
string do_get_value(Xapian::valueno slot) const;
void do_get_all_values(map<Xapian::valueno, string> & values_) const;
string do_get_data() const;
/** @} */
};
#endif // XAPIAN_INCLUDED_GLASS_DOCUMENT_H
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