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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "cachemapobject3.hxx"
#include "osl/diagnose.h"
#include "osl/interlck.h"
#include "osl/mutex.hxx"
#include "rtl/ref.hxx"
#include "rtl/ustring.hxx"
#ifndef INCLUDED_MEMORY
#include <memory>
#define INCLUDED_MEMORY
#endif
using ucb::cachemap::Object3;
using ucb::cachemap::ObjectContainer3;
inline
Object3::Object3(rtl::Reference< ObjectContainer3 > const & rContainer):
m_xContainer(rContainer),
m_nRefCount(0)
{
OSL_ASSERT(m_xContainer.is());
}
inline Object3::~Object3() SAL_THROW(())
{}
void Object3::release() SAL_THROW(())
{
if (osl_decrementInterlockedCount(&m_nRefCount) == 0)
{
m_xContainer->releaseElement(this);
delete this;
}
}
void ObjectContainer3::releaseElement(Object3 * pElement) SAL_THROW(())
{
OSL_ASSERT(pElement);
osl::MutexGuard aGuard(m_aMutex);
if (pElement->m_aContainerIt != m_aMap.end())
m_aMap.erase(pElement->m_aContainerIt);
}
ObjectContainer3::ObjectContainer3()
{}
ObjectContainer3::~ObjectContainer3() SAL_THROW(())
{}
rtl::Reference< Object3 > ObjectContainer3::get(rtl::OUString const & rKey)
{
osl::MutexGuard aGuard(m_aMutex);
Map::iterator aIt(m_aMap.find(rKey));
if (aIt == m_aMap.end())
{
std::auto_ptr< Object3 > xElement(new Object3(this));
aIt = m_aMap.insert(Map::value_type(rKey, xElement.get())).first;
aIt->second->m_aContainerIt = aIt;
xElement.release();
return aIt->second;
}
else if (osl_incrementInterlockedCount(&aIt->second->m_nRefCount) > 1)
{
rtl::Reference< Object3 > xElement(aIt->second);
osl_decrementInterlockedCount(&aIt->second->m_nRefCount);
return xElement;
}
else
{
osl_decrementInterlockedCount(&aIt->second->m_nRefCount);
aIt->second->m_aContainerIt = m_aMap.end();
aIt->second = new Object3(this);
aIt->second->m_aContainerIt = aIt;
return aIt->second;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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