Mercurial > hg > orthanc
view Core/SQLite/Transaction.h @ 1173:3b372ab992ec db-changes
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 22 Sep 2014 13:53:21 +0200 |
parents | 2d0a347e8cfc |
children | 9b9026560a5f |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, * Belgium * * Copyright (c) 2012 The Chromium Authors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc., the name of the CHU of Liege, * nor the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **/ #pragma once #include "Connection.h" namespace Orthanc { namespace SQLite { class Transaction : public boost::noncopyable { private: Connection& connection_; // True when the transaction is open, false when it's already been committed // or rolled back. bool isOpen_; public: explicit Transaction(Connection& connection); ~Transaction(); // Returns true when there is a transaction that has been successfully begun. bool IsOpen() const { return isOpen_; } // Begins the transaction. This uses the default sqlite "deferred" transaction // type, which means that the DB lock is lazily acquired the next time the // database is accessed, not in the begin transaction command. void Begin(); // Rolls back the transaction. This will happen automatically if you do // nothing when the transaction goes out of scope. void Rollback(); // Commits the transaction, returning true on success. void Commit(); }; } }