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137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
//
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// SessionImpl.cpp
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//
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// $Id: //poco/Main/Data/SQLite/src/SessionImpl.cpp#5 $
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//
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// Library: SQLite
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// Package: SQLite
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// Module: SessionImpl
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Data/SQLite/SessionImpl.h"
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#include "Poco/Data/SQLite/Utility.h"
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#include "Poco/Data/SQLite/SQLiteStatementImpl.h"
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#include "sqlite3.h"
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#include <cstdlib>
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namespace Poco {
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namespace Data {
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namespace SQLite {
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const std::string SessionImpl::DEFERRED_BEGIN_TRANSACTION("BEGIN DEFERRED");
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const std::string SessionImpl::COMMIT_TRANSACTION("COMMIT");
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const std::string SessionImpl::ABORT_TRANSACTION("ROLLBACK");
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SessionImpl::SessionImpl(const std::string& fileName):
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_dbFileName(fileName),
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_pDB(0),
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_connected(false),
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_isTransaction(false)
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{
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open();
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}
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SessionImpl::~SessionImpl()
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{
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close();
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}
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Poco::Data::StatementImpl* SessionImpl::createStatementImpl()
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{
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poco_check_ptr (_pDB);
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return new SQLiteStatementImpl(*this, _pDB);
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}
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void SessionImpl::begin()
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{
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SQLiteStatementImpl tmp(*this, _pDB);
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tmp.add(DEFERRED_BEGIN_TRANSACTION);
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tmp.execute();
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_isTransaction = true;
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}
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void SessionImpl::commit()
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{
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SQLiteStatementImpl tmp(*this, _pDB);
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tmp.add(COMMIT_TRANSACTION);
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tmp.execute();
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_isTransaction = false;
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}
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void SessionImpl::rollback()
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{
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SQLiteStatementImpl tmp(*this, _pDB);
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tmp.add(ABORT_TRANSACTION);
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tmp.execute();
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_isTransaction = false;
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}
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void SessionImpl::open()
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{
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int rc = sqlite3_open(_dbFileName.c_str(), &_pDB);
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if (rc != 0)
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{
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close();
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Utility::throwException(rc);
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}
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_connected = true;
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}
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void SessionImpl::close()
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{
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if (_pDB)
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{
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sqlite3_close(_pDB);
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_pDB = 0;
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}
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_connected = false;
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}
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bool SessionImpl::isConnected()
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{
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return _connected;
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}
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} } } // namespace Poco::Data::SQLite
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