1*b0d29bc4SBrooks Davis // Copyright 2011 The Kyua Authors. 2*b0d29bc4SBrooks Davis // All rights reserved. 3*b0d29bc4SBrooks Davis // 4*b0d29bc4SBrooks Davis // Redistribution and use in source and binary forms, with or without 5*b0d29bc4SBrooks Davis // modification, are permitted provided that the following conditions are 6*b0d29bc4SBrooks Davis // met: 7*b0d29bc4SBrooks Davis // 8*b0d29bc4SBrooks Davis // * Redistributions of source code must retain the above copyright 9*b0d29bc4SBrooks Davis // notice, this list of conditions and the following disclaimer. 10*b0d29bc4SBrooks Davis // * Redistributions in binary form must reproduce the above copyright 11*b0d29bc4SBrooks Davis // notice, this list of conditions and the following disclaimer in the 12*b0d29bc4SBrooks Davis // documentation and/or other materials provided with the distribution. 13*b0d29bc4SBrooks Davis // * Neither the name of Google Inc. nor the names of its contributors 14*b0d29bc4SBrooks Davis // may be used to endorse or promote products derived from this software 15*b0d29bc4SBrooks Davis // without specific prior written permission. 16*b0d29bc4SBrooks Davis // 17*b0d29bc4SBrooks Davis // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18*b0d29bc4SBrooks Davis // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19*b0d29bc4SBrooks Davis // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20*b0d29bc4SBrooks Davis // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21*b0d29bc4SBrooks Davis // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22*b0d29bc4SBrooks Davis // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23*b0d29bc4SBrooks Davis // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24*b0d29bc4SBrooks Davis // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25*b0d29bc4SBrooks Davis // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*b0d29bc4SBrooks Davis // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27*b0d29bc4SBrooks Davis // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*b0d29bc4SBrooks Davis 29*b0d29bc4SBrooks Davis /// \file store/metadata.hpp 30*b0d29bc4SBrooks Davis /// Representation of the database metadata. 31*b0d29bc4SBrooks Davis 32*b0d29bc4SBrooks Davis #if !defined(STORE_METADATA_HPP) 33*b0d29bc4SBrooks Davis #define STORE_METADATA_HPP 34*b0d29bc4SBrooks Davis 35*b0d29bc4SBrooks Davis #include "store/metadata_fwd.hpp" 36*b0d29bc4SBrooks Davis 37*b0d29bc4SBrooks Davis extern "C" { 38*b0d29bc4SBrooks Davis #include <stdint.h> 39*b0d29bc4SBrooks Davis } 40*b0d29bc4SBrooks Davis 41*b0d29bc4SBrooks Davis #include <cstddef> 42*b0d29bc4SBrooks Davis 43*b0d29bc4SBrooks Davis #include "utils/sqlite/database_fwd.hpp" 44*b0d29bc4SBrooks Davis 45*b0d29bc4SBrooks Davis namespace store { 46*b0d29bc4SBrooks Davis 47*b0d29bc4SBrooks Davis 48*b0d29bc4SBrooks Davis /// Representation of the database metadata. 49*b0d29bc4SBrooks Davis class metadata { 50*b0d29bc4SBrooks Davis /// Current version of the database schema. 51*b0d29bc4SBrooks Davis int _schema_version; 52*b0d29bc4SBrooks Davis 53*b0d29bc4SBrooks Davis /// Timestamp of the last metadata entry in the database. 54*b0d29bc4SBrooks Davis int64_t _timestamp; 55*b0d29bc4SBrooks Davis 56*b0d29bc4SBrooks Davis metadata(const int, const int64_t); 57*b0d29bc4SBrooks Davis 58*b0d29bc4SBrooks Davis public: 59*b0d29bc4SBrooks Davis int64_t timestamp(void) const; 60*b0d29bc4SBrooks Davis int schema_version(void) const; 61*b0d29bc4SBrooks Davis 62*b0d29bc4SBrooks Davis static metadata fetch_latest(utils::sqlite::database&); 63*b0d29bc4SBrooks Davis }; 64*b0d29bc4SBrooks Davis 65*b0d29bc4SBrooks Davis 66*b0d29bc4SBrooks Davis } // namespace store 67*b0d29bc4SBrooks Davis 68*b0d29bc4SBrooks Davis #endif // !defined(STORE_METADATA_HPP) 69