121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#ifndef ALGEBRAS_NESTEDRELATION2_NR2ALOCALINFO_H_
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#define ALGEBRAS_NESTEDRELATION2_NR2ALOCALINFO_H_
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#include "Progress.h"
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#include "Nr2aHelper.h"
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namespace nr2a {
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template <class T>
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class Nr2aLocalInfo
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{
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public:
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Nr2aLocalInfo();
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virtual ~Nr2aLocalInfo();
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virtual void setCostEstimator(T* costEstimator);
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virtual T* getCostEstimator() const;
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virtual void UnitReceived();
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virtual void UnitProcessed();
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ProgressInfo base;
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uint64_t m_unitsProcessed;
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double m_totalTimeProcessed;
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clock_t m_firstClock;
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clock_t m_lastClock;
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protected:
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virtual void SetUnitsProcessed(const uint64_t unitsProcessed);
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private:
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T* m_costEstimator;
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};
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template <class T>
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Nr2aLocalInfo<T>::Nr2aLocalInfo()
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:m_unitsProcessed(0), m_totalTimeProcessed(0),
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m_firstClock(0), m_lastClock(0), m_costEstimator(NULL)
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{
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}
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template <class T>
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Nr2aLocalInfo<T>::~Nr2aLocalInfo()
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{
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//intentionally left blank
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}
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template <class T>
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/*virtual*/ void
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Nr2aLocalInfo<T>::setCostEstimator
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(T* costEstimator)
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{
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m_costEstimator = costEstimator;
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}
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template <class T>
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/*virtual*/ T*
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Nr2aLocalInfo<T>::getCostEstimator() const
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{
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return m_costEstimator;
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}
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template <class T>
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void Nr2aLocalInfo<T>::UnitReceived()
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{
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m_lastClock = clock();
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if (m_firstClock == 0)
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{
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m_firstClock = m_lastClock;
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}
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}
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template <class T>
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void Nr2aLocalInfo<T>::UnitProcessed()
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{
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// m_totalTimeProcessed +=
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// Nr2aHelper::MillisecondsElapsedSince(m_lastClock);
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m_totalTimeProcessed = Nr2aHelper::MillisecondsElapsedSince(m_firstClock);
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m_unitsProcessed++;
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m_lastClock = 0;
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}
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template <class T>
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void Nr2aLocalInfo<T>::SetUnitsProcessed(const uint64_t unitsProcessed)
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{
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m_totalTimeProcessed = Nr2aHelper::MillisecondsElapsedSince(m_firstClock);
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assert(unitsProcessed >= m_unitsProcessed);
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m_unitsProcessed = unitsProcessed;
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m_lastClock = 0;
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}
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} /* namespace nr2a */
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#endif /* ALGEBRAS_NESTEDRELATION2_NR2ALOCALINFO_H_ */
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