Mercurial > hg > orthanc
diff Core/SQLite/Transaction.cpp @ 0:3959d33612cc
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Jul 2012 14:32:22 +0200 |
parents | |
children | db4d996ea264 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Core/SQLite/Transaction.cpp Thu Jul 19 14:32:22 2012 +0200 @@ -0,0 +1,84 @@ +/** + * Palantir - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012 Medical Physics Department, CHU of Liege, + * Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "Transaction.h" + +namespace Palantir +{ + namespace SQLite + { + Transaction::Transaction(Connection& connection) : + connection_(connection), + isOpen_(false) + { + } + + Transaction::~Transaction() + { + if (isOpen_) + { + connection_.RollbackTransaction(); + } + } + + void Transaction::Begin() + { + if (isOpen_) + { + throw PalantirException("SQLite: Beginning a transaction twice!"); + } + + isOpen_ = connection_.BeginTransaction(); + if (!isOpen_) + { + throw PalantirException("SQLite: Unable to create a transaction"); + } + } + + void Transaction::Rollback() + { + if (!isOpen_) + { + throw PalantirException("SQLite: Attempting to roll back a nonexistent transaction. " + "Did you remember to call Begin()?"); + } + + isOpen_ = false; + + connection_.RollbackTransaction(); + } + + void Transaction::Commit() + { + if (!isOpen_) + { + throw PalantirException("SQLite: Attempting to roll back a nonexistent transaction. " + "Did you remember to call Begin()?"); + } + + isOpen_ = false; + + if (!connection_.CommitTransaction()) + { + throw PalantirException("SQLite: Failure when committing the transaction"); + } + } + } +}