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/write_backend.hpp 30*b0d29bc4SBrooks Davis /// Interface to the backend database for write-only operations. 31*b0d29bc4SBrooks Davis 32*b0d29bc4SBrooks Davis #if !defined(STORE_WRITE_BACKEND_HPP) 33*b0d29bc4SBrooks Davis #define STORE_WRITE_BACKEND_HPP 34*b0d29bc4SBrooks Davis 35*b0d29bc4SBrooks Davis #include "store/write_backend_fwd.hpp" 36*b0d29bc4SBrooks Davis 37*b0d29bc4SBrooks Davis #include <memory> 38*b0d29bc4SBrooks Davis 39*b0d29bc4SBrooks Davis #include "store/metadata_fwd.hpp" 40*b0d29bc4SBrooks Davis #include "store/write_transaction_fwd.hpp" 41*b0d29bc4SBrooks Davis #include "utils/fs/path_fwd.hpp" 42*b0d29bc4SBrooks Davis #include "utils/sqlite/database_fwd.hpp" 43*b0d29bc4SBrooks Davis 44*b0d29bc4SBrooks Davis namespace store { 45*b0d29bc4SBrooks Davis 46*b0d29bc4SBrooks Davis 47*b0d29bc4SBrooks Davis namespace detail { 48*b0d29bc4SBrooks Davis 49*b0d29bc4SBrooks Davis 50*b0d29bc4SBrooks Davis utils::fs::path schema_file(void); 51*b0d29bc4SBrooks Davis metadata initialize(utils::sqlite::database&); 52*b0d29bc4SBrooks Davis 53*b0d29bc4SBrooks Davis 54*b0d29bc4SBrooks Davis } // anonymous namespace 55*b0d29bc4SBrooks Davis 56*b0d29bc4SBrooks Davis 57*b0d29bc4SBrooks Davis /// Public interface to the database store for write-only operations. 58*b0d29bc4SBrooks Davis class write_backend { 59*b0d29bc4SBrooks Davis struct impl; 60*b0d29bc4SBrooks Davis 61*b0d29bc4SBrooks Davis /// Pointer to the shared internal implementation. 62*b0d29bc4SBrooks Davis std::shared_ptr< impl > _pimpl; 63*b0d29bc4SBrooks Davis 64*b0d29bc4SBrooks Davis friend class metadata; 65*b0d29bc4SBrooks Davis 66*b0d29bc4SBrooks Davis write_backend(impl*); 67*b0d29bc4SBrooks Davis 68*b0d29bc4SBrooks Davis public: 69*b0d29bc4SBrooks Davis ~write_backend(void); 70*b0d29bc4SBrooks Davis 71*b0d29bc4SBrooks Davis static write_backend open_rw(const utils::fs::path&); 72*b0d29bc4SBrooks Davis void close(void); 73*b0d29bc4SBrooks Davis 74*b0d29bc4SBrooks Davis utils::sqlite::database& database(void); 75*b0d29bc4SBrooks Davis write_transaction start_write(void); 76*b0d29bc4SBrooks Davis }; 77*b0d29bc4SBrooks Davis 78*b0d29bc4SBrooks Davis 79*b0d29bc4SBrooks Davis } // namespace store 80*b0d29bc4SBrooks Davis 81*b0d29bc4SBrooks Davis #endif // !defined(STORE_WRITE_BACKEND_HPP) 82