15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sql/transaction.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sql/connection.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace sql { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Transaction::Transaction(Connection* connection) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : connection_(connection), 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_open_(false) { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Transaction::~Transaction() { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_open_) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) connection_->RollbackTransaction(); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Transaction::Begin() { 23e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK(!is_open_) << "Beginning a transaction twice!"; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_open_ = connection_->BeginTransaction(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return is_open_; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Transaction::Rollback() { 29e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK(is_open_) << "Attempting to roll back a nonexistent transaction. " 30e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch << "Did you remember to call Begin() and check its return?"; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_open_ = false; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) connection_->RollbackTransaction(); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool Transaction::Commit() { 36e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch DCHECK(is_open_) << "Attempting to commit a nonexistent transaction. " 37e5d81f57cb97b3b6b7fccc9c5610d21eb81db09dBen Murdoch << "Did you remember to call Begin() and check its return?"; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_open_ = false; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return connection_->CommitTransaction(); 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace sql 43