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/****************************************************************************
**
** http://www.qxorm.com/
** http://sourceforge.net/projects/qxorm/
** Original file by Lionel Marty
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software.
**
** GNU Lesser General Public License Usage
** This file must be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file 'license.lgpl.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you have questions regarding the use of this file, please contact :
** contact@qxorm.com
**
****************************************************************************/
#include <QxPrecompiled.h>
#include <QxCommon/QxCache.h>
#include <QxMemLeak/mem_leak.h>
namespace qx {
namespace cache {
namespace detail {
bool QxCache::insert(const QString & sKey, const boost::any & pObj, long lCost /* = 1 */)
{
if (sKey.isEmpty()) { qAssert(false); return false; }
this->remove(sKey);
QMutexLocker locker(& m_oMutexCache);
lCost = ((lCost < 0) ? 0 : lCost);
boost::any obj(pObj);
type_qx_cache item = std::make_pair(lCost, obj);
bool bInsertOk = m_cache.insert(sKey, item);
if (bInsertOk) { m_lCurrCost += lCost; updateCost(); }
return bInsertOk;
}
bool QxCache::remove(const QString & sKey)
{
QMutexLocker locker(& m_oMutexCache);
if (! this->exist(sKey)) { return false; }
long lCost = m_cache.getByKey(sKey).first;
bool bRemoveOk = m_cache.removeByKey(sKey);
if (bRemoveOk) { m_lCurrCost -= lCost; }
return bRemoveOk;
}
void QxCache::updateCost()
{
while ((m_lCurrCost > m_lMaxCost) && (m_cache.count() > 0))
{
QString sKey = m_cache.getKeyByIndex(0);
long lCost = m_cache.getByIndex(0).first;
m_cache.removeByIndex(0);
m_lCurrCost -= lCost;
QString sMsg = QString("qx::cache auto remove object in cache '") + sKey + QString("'");
qDebug("[QxOrm] %s", qPrintable(sMsg));
}
}
} // namespace detail
} // namespace cache
} // namespace qx
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