//
// ConnectionHandle.cpp
//
// $Id: //poco/Main/Data/ODBC/src/ConnectionHandle.cpp#2 $
//
// Library: ODBC
// Package: ODBC
// Module:  ConnectionHandle
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Data/ODBC/ConnectionHandle.h"
#include "Poco/Data/ODBC/Utility.h"
#include "Poco/Data/ODBC/ODBCException.h"


namespace Poco {
namespace Data {
namespace ODBC {


ConnectionHandle::ConnectionHandle(EnvironmentHandle* pEnvironment): 
	_pEnvironment(pEnvironment ? pEnvironment : new EnvironmentHandle),
	_hdbc(SQL_NULL_HDBC), 
	_ownsEnvironment(pEnvironment ? false : true)
{
	if (Utility::isError(SQLAllocHandle(SQL_HANDLE_DBC, 
		_pEnvironment->handle(), 
		&_hdbc))) 
	{
		throw ODBCException("Could not allocate connection handle.");
	}
}


ConnectionHandle::~ConnectionHandle()
{
	SQLDisconnect(_hdbc);
	SQLRETURN rc = SQLFreeHandle(SQL_HANDLE_DBC, _hdbc);

	if (_ownsEnvironment) delete _pEnvironment;

	poco_assert (!Utility::isError(rc));
}


} } } // namespace Poco::Data::ODBC