171 lines
7.0 KiB
C++
171 lines
7.0 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: transactionguard.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: obo $ $Date: 2006-09-16 14:14:21 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_framework.hxx"
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//_________________________________________________________________________________________________________________
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// my own includes
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//_________________________________________________________________________________________________________________
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#ifndef __FRAMEWORK_THREADHELP_TRANSACTIONGUARD_HXX_
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#include <threadhelp/transactionguard.hxx>
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#endif
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//_________________________________________________________________________________________________________________
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// interface includes
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// other includes
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// const
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// namespace
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//_________________________________________________________________________________________________________________
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namespace framework{
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//_________________________________________________________________________________________________________________
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// non exported const
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// non exported declarations
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//_________________________________________________________________________________________________________________
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//_________________________________________________________________________________________________________________
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// definitions
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//_________________________________________________________________________________________________________________
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/*-************************************************************************************************************//**
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@short ctors
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@descr Use these ctor methods to initialize the guard right.
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Given reference must be valid - otherwise crashes could occure!
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@attention It's not neccessary to lock any mutex here! Because a ctor should not be called
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from different threads at the same time ... this class use no refcount mechanism!
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@seealso -
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@param "pManager" pointer to transaction manager for using to register a request
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@param "rManager" same as reference
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@param "eMode" enable/disable throwing of exceptions for rejected calls
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@param "eReason" returns reason for rejected calls if "eMode=E_NOEXCEPTIONS"!
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@return -
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@onerror -
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*//*-*************************************************************************************************************/
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TransactionGuard::TransactionGuard( ITransactionManager* pManager, EExceptionMode eMode, ERejectReason* eReason )
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: m_pManager( pManager )
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{
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// If exception mode is set to E_HARDEXCETIONS we don't need a buffer to return reason!
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// We handle it private. If a call is rejected, our manager throw some exceptions ... and the reason
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// could be ignorable ...
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if( eReason == NULL )
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{
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ERejectReason eMyReason;
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m_pManager->acquire( eMode, eMyReason );
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}
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else
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{
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m_pManager->acquire( eMode, *eReason );
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}
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}
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//*****************************************************************************************************************
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TransactionGuard::TransactionGuard( ITransactionManager& rManager, EExceptionMode eMode, ERejectReason* eReason )
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: m_pManager( &rManager )
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{
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// If exception mode is set to E_HARDEXCETIONS we don't need a buffer to return reason!
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// We handle it private. If a call is rejected, our manager throw some exceptions ... and the reason
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// could be ignorable ...
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if( eReason == NULL )
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{
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ERejectReason eMyReason;
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m_pManager->acquire( eMode, eMyReason );
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}
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else
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{
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m_pManager->acquire( eMode, *eReason );
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}
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}
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/*-************************************************************************************************************//**
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@short dtor
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@descr We must release the transaction manager and can forget his pointer.
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@seealso -
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@param -
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@return -
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@onerror -
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*//*-*************************************************************************************************************/
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TransactionGuard::~TransactionGuard()
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{
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stop();
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}
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/*-************************************************************************************************************//**
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@short stop current transaction
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@descr We must release the transaction manager and can forget his pointer.
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@attention We don't support any start() method here - because it is not easy to
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detect if a transaction already started or not!
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(combination of EExceptionMode and ERejectReason)
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@seealso -
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@param -
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@return -
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@onerror -
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*//*-*************************************************************************************************************/
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void TransactionGuard::stop()
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{
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if( m_pManager != NULL )
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{
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m_pManager->release();
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m_pManager = NULL;
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}
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}
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} // namespace framework
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