LbmSortedAggExecStream.h

Go to the documentation of this file.

/*
// $Id: //open/dev/fennel/lucidera/bitmap/LbmSortedAggExecStream.h#4 $
// Fennel is a library of data storage and processing components.
// Copyright (C) 2005-2009 LucidEra, Inc.
// Copyright (C) 2005-2009 The Eigenbase Project
//
// 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_LbmAggExecStream_Included
#define Fennel_LbmAggExecStream_Included

#include "fennel/exec/SortedAggExecStream.h"
#include "fennel/exec/AggInvocation.h"
#include "fennel/exec/AggComputer.h"
#include "fennel/lucidera/bitmap/LbmByteSegment.h"
#include "fennel/tuple/TupleDataWithBuffer.h"

FENNEL_BEGIN_NAMESPACE

struct LbmSortedAggExecStreamParams : public SortedAggExecStreamParams
{
};

class FENNEL_LBM_EXPORT LbmSortedAggExecStream
    : public SortedAggExecStream
{
protected:
    virtual AggComputer *newAggComputer(
        AggFunction aggFunction,
        TupleAttributeDescriptor const *pAttrDesc);

public:
    // implement ExecStream
    virtual void prepare(LbmSortedAggExecStreamParams const &params);
};

FENNEL_END_NAMESPACE

#endif

// End LbmSortedAggExecStream.h

---