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 utils/sqlite/transaction.hpp 30 /// A RAII model for SQLite transactions. 31 32 #if !defined(UTILS_SQLITE_TRANSACTION_HPP) 33 #define UTILS_SQLITE_TRANSACTION_HPP 34 35 #include "utils/sqlite/transaction_fwd.hpp" 36 37 #include <memory> 38 39 #include "utils/sqlite/database_fwd.hpp" 40 41 namespace utils { 42 namespace sqlite { 43 44 45 /// A RAII model for an SQLite 3 statement. 46 /// 47 /// A transaction is automatically rolled back when it goes out of scope unless 48 /// it has been explicitly committed. 49 class transaction { 50 struct impl; 51 52 /// Pointer to the shared internal implementation. 53 std::shared_ptr< impl > _pimpl; 54 55 explicit transaction(database&); 56 friend class database; 57 58 public: 59 ~transaction(void); 60 61 void commit(void); 62 void rollback(void); 63 }; 64 65 66 } // namespace sqlite 67 } // namespace utils 68 69 #endif // !defined(UTILS_SQLITE_TRANSACTION_HPP) 70