| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "sql/transaction.h" |
| |
| #include "base/logging.h" |
| #include "sql/connection.h" |
| |
| namespace sql { |
| |
| Transaction::Transaction(Connection* connection) |
| : connection_(connection), |
| is_open_(false) { |
| } |
| |
| Transaction::~Transaction() { |
| if (is_open_) |
| connection_->RollbackTransaction(); |
| } |
| |
| bool Transaction::Begin() { |
| DCHECK(!is_open_) << "Beginning a transaction twice!"; |
| is_open_ = connection_->BeginTransaction(); |
| return is_open_; |
| } |
| |
| void Transaction::Rollback() { |
| DCHECK(is_open_) << "Attempting to roll back a nonexistent transaction. " |
| << "Did you remember to call Begin() and check its return?"; |
| is_open_ = false; |
| connection_->RollbackTransaction(); |
| } |
| |
| bool Transaction::Commit() { |
| DCHECK(is_open_) << "Attempting to commit a nonexistent transaction. " |
| << "Did you remember to call Begin() and check its return?"; |
| is_open_ = false; |
| return connection_->CommitTransaction(); |
| } |
| |
| } // namespace sql |