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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#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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