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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: cachewritescheduler.hxx,v $
* $Revision: 1.7 $
*
* 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.
*
************************************************************************/
#ifndef CONFIGMGR_CACHEWRITESCHEDULER_HXX
#define CONFIGMGR_CACHEWRITESCHEDULER_HXX
#include "datalock.hxx"
#include "requestoptions.hxx"
#include "timestamp.hxx"
#include "utility.hxx"
#ifndef INCLUDED_SET
#include <set>
#define INCLUDED_SET
#endif
#include <vos/timer.hxx>
#ifndef _VOS_REF_HXX_
#include <vos/ref.hxx>
#endif
#include <osl/mutex.hxx>
// -----------------------------------------------------------------------------
namespace configmgr
{
class RequestOptions;
namespace backend { class ComponentRequest; class CacheController; }
// Write down the Cache, much less complex than caching Nodes
// (better control)
class OCacheWriteScheduler
{
typedef std::set< RequestOptions, lessRequestOptions > CacheWriteList; // fire and forget!
class Timer : public vos::OTimer
{
public:
OCacheWriteScheduler* pParent;
Timer(OCacheWriteScheduler& _rParent) : pParent(&_rParent) {};
// vos::OTimer
virtual void SAL_CALL onShot();
// stop the scheduling
void dispose() {
stop();
pParent = NULL;
}
};
friend void Timer::onShot();
private:
vos::ORef<Timer> m_xTimer;
backend::CacheController &m_rTreeManager;
CacheWriteList m_aWriteList;
TimeInterval m_aWriteInterval;
public:
//-------- Construction and destruction -----------------------------------
explicit
OCacheWriteScheduler(backend::CacheController& _rTreeManager, TimeInterval const& _aWriteInterval)
: m_rTreeManager(_rTreeManager)
, m_aWriteInterval(_aWriteInterval)
{
m_xTimer = new Timer(*this);
}
~OCacheWriteScheduler();
//-------- Delay and Interval ---------------------------------------------
/// retrieves the recurrance interval used for cleanup
TimeInterval const& getWriteInterval() const
{
UnoApiLock aLock;
return m_aWriteInterval;
}
static TimeStamp implGetScheduleTime(TimeStamp const& aBaseTime, TimeInterval const& aDelay)
{
return aBaseTime + aDelay;
}
//-------- Control of execution ------------------------------------------
void scheduleWrite(backend::ComponentRequest _aComponent) SAL_THROW((com::sun::star::uno::Exception));
/// stop pending activities for one set of options (do not discard them)
bool clearTasks(RequestOptions const& _xOptions);
/// stop and discard pending activities
void stopAndWriteCache();
private:
// vos::OTimer
void onTimerShot();
void runWriter();
void implStartBefore(TimeStamp const& _aTime);
void writeOneTreeFoundByOption(RequestOptions const& _aOption) SAL_THROW((com::sun::star::uno::Exception));
};
} // namespace configmgr
#endif // CONFIGMGR_DISPOSETIMER_HXX
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