CacheParams.h

Go to the documentation of this file.

/*
// $Id: //open/dev/fennel/cache/CacheParams.h#11 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Portions Copyright (C) 1999-2009 John V. Sichi
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version approved by The Eigenbase Project.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef Fennel_CacheParams_Included
#define Fennel_CacheParams_Included

#include "fennel/device/DeviceAccessSchedulerParams.h"

FENNEL_BEGIN_NAMESPACE

class ConfigMap;

class FENNEL_CACHE_EXPORT CacheParams
{
public:
    static ParamName paramMaxPages;
    static ParamName paramPagesInit;
    static ParamName paramPageSize;
    static ParamName paramIdleFlushInterval;
    static ParamName paramFreshmenQueuePercentage;
    static ParamName paramPageHistoryQueuePercentage;
    static ParamName paramPrefetchPagesMax;
    static ParamName paramPrefetchThrottleRate;

    static uint defaultMemPagesMax;
    static uint defaultMemPagesInit;
    static uint defaultPageSize;
    static uint defaultIdleFlushInterval;
    static uint defaultFreshmenQueuePercentage;
    static uint defaultPageHistoryQueuePercentage;
    static uint defaultPrefetchPagesMax;
    static uint defaultPrefetchThrottleRate;

    DeviceAccessSchedulerParams schedParams;

    uint nMemPagesMax;

    uint cbPage;

    uint nMemPagesInit;

    uint idleFlushInterval;

    uint freshmenQueuePercentage;

    uint pageHistoryQueuePercentage;

    uint prefetchPagesMax;

    uint prefetchThrottleRate;

    explicit CacheParams();

    void readConfig(ConfigMap const &configMap);
};

FENNEL_END_NAMESPACE

#endif

// End CacheParams.h

---