Mercurial > hg > orthanc-webviewer
diff Orthanc/SQLite/Transaction.cpp @ 0:02f7a0400a91
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Feb 2015 13:45:35 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Orthanc/SQLite/Transaction.cpp Wed Feb 25 13:45:35 2015 +0100 @@ -0,0 +1,106 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * + * Copyright (C) 2012-2015 Sebastien Jodogne <s.jodogne@gmail.com>, + * 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. + **/ + + +#if ORTHANC_SQLITE_STANDALONE != 1 +#include "../PrecompiledHeaders.h" +#endif + +#include "Transaction.h" +#include "OrthancSQLiteException.h" + +namespace Orthanc +{ + namespace SQLite + { + Transaction::Transaction(Connection& connection) : + connection_(connection), + isOpen_(false) + { + } + + Transaction::~Transaction() + { + if (isOpen_) + { + connection_.RollbackTransaction(); + } + } + + void Transaction::Begin() + { + if (isOpen_) + { + throw OrthancSQLiteException("SQLite: Beginning a transaction twice!"); + } + + isOpen_ = connection_.BeginTransaction(); + if (!isOpen_) + { + throw OrthancSQLiteException("SQLite: Unable to create a transaction"); + } + } + + void Transaction::Rollback() + { + if (!isOpen_) + { + throw OrthancSQLiteException("SQLite: Attempting to roll back a nonexistent transaction. " + "Did you remember to call Begin()?"); + } + + isOpen_ = false; + + connection_.RollbackTransaction(); + } + + void Transaction::Commit() + { + if (!isOpen_) + { + throw OrthancSQLiteException("SQLite: Attempting to roll back a nonexistent transaction. " + "Did you remember to call Begin()?"); + } + + isOpen_ = false; + + if (!connection_.CommitTransaction()) + { + throw OrthancSQLiteException("SQLite: Failure when committing the transaction"); + } + } + } +}