1// Copyright 2011 The Kyua Authors. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above copyright 11// notice, this list of conditions and the following disclaimer in the 12// documentation and/or other materials provided with the distribution. 13// * Neither the name of Google Inc. nor the names of its contributors 14// may be used to endorse or promote products derived from this software 15// without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29/// \file store/metadata.hpp 30/// Representation of the database metadata. 31 32#if !defined(STORE_METADATA_HPP) 33#define STORE_METADATA_HPP 34 35#include "store/metadata_fwd.hpp" 36 37extern "C" { 38#include <stdint.h> 39} 40 41#include <cstddef> 42 43#include "utils/sqlite/database_fwd.hpp" 44 45namespace store { 46 47 48/// Representation of the database metadata. 49class metadata { 50 /// Current version of the database schema. 51 int _schema_version; 52 53 /// Timestamp of the last metadata entry in the database. 54 int64_t _timestamp; 55 56 metadata(const int, const int64_t); 57 58public: 59 int64_t timestamp(void) const; 60 int schema_version(void) const; 61 62 static metadata fetch_latest(utils::sqlite::database&); 63}; 64 65 66} // namespace store 67 68#endif // !defined(STORE_METADATA_HPP) 69