/*************************************************************************
 *
 *  $RCSfile: BStatement.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: jl $ $Date: 2001-03-21 13:38:44 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the License); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an AS IS basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
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 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/
#ifndef CONNECTIVITY_ADABAS_STATEMENT_HXX
#include "adabas/BStatement.hxx"
#endif
#ifndef CONNECTIVITY_ADABAS_RESULTSET_HXX
#include "adabas/BResultSet.hxx"
#endif
#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
#include <com/sun/star/lang/DisposedException.hpp>
#endif


using namespace connectivity::adabas;
using namespace connectivity::odbc;
//------------------------------------------------------------------------------
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdbcx;
using namespace com::sun::star::container;
using namespace com::sun::star::io;
using namespace com::sun::star::util;


Reference< XResultSet > OAdabasStatement::getResultSet (sal_Bool checkCount) throw( SQLException)
{
    ::osl::MutexGuard aGuard( m_aMutex );
    if (OStatement_BASE::rBHelper.bDisposed)
        throw DisposedException();

    if (m_xResultSet.get().is())  // if resultset already retrieved,
    {
        // throw exception to avoid sequence error
        throw SQLException(::rtl::OUString::createFromAscii("Invalid state for getResultSet"),*this,
            ::rtl::OUString(),0,Any());
    }

    OAdabasResultSet* pRs = NULL;
    sal_Int32 numCols = 1;

    // If we already know we have result columns, checkCount
    // is false.  This is an optimization to prevent unneeded
    // calls to getColumnCount

    if (checkCount)
        numCols = getColumnCount ();

    // Only return a result set if there are result columns

    if (numCols > 0)
    {
        OSL_ENSURE(m_aStatementHandle,"StatementHandle is null!");
        pRs = new OAdabasResultSet(m_aStatementHandle,this);

        // Save a copy of our last result set
        // Changed to save copy at getResultSet.
        //m_xResultSet = rs;
    }
    else
        clearMyResultSet ();

    return pRs;
}