LbmSortedAggExecStream.h

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00001 /*
00002 // $Id: //open/dev/fennel/lucidera/bitmap/LbmSortedAggExecStream.h#4 $
00003 // Fennel is a library of data storage and processing components.
00004 // Copyright (C) 2005-2009 LucidEra, Inc.
00005 // Copyright (C) 2005-2009 The Eigenbase Project
00006 //
00007 // This program is free software; you can redistribute it and/or modify it
00008 // under the terms of the GNU General Public License as published by the Free
00009 // Software Foundation; either version 2 of the License, or (at your option)
00010 // any later version approved by The Eigenbase Project.
00011 //
00012 // This program is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 //
00017 // You should have received a copy of the GNU General Public License
00018 // along with this program; if not, write to the Free Software
00019 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 */
00021 
00022 #ifndef Fennel_LbmAggExecStream_Included
00023 #define Fennel_LbmAggExecStream_Included
00024 
00025 #include "fennel/exec/SortedAggExecStream.h"
00026 #include "fennel/exec/AggInvocation.h"
00027 #include "fennel/exec/AggComputer.h"
00028 #include "fennel/lucidera/bitmap/LbmByteSegment.h"
00029 #include "fennel/tuple/TupleDataWithBuffer.h"
00030 
00031 FENNEL_BEGIN_NAMESPACE
00032 
00036 struct LbmSortedAggExecStreamParams : public SortedAggExecStreamParams
00037 {
00038 };
00039 
00056 class FENNEL_LBM_EXPORT LbmSortedAggExecStream
00057     : public SortedAggExecStream
00058 {
00059 protected:
00060     virtual AggComputer *newAggComputer(
00061         AggFunction aggFunction,
00062         TupleAttributeDescriptor const *pAttrDesc);
00063 
00064 public:
00065     // implement ExecStream
00066     virtual void prepare(LbmSortedAggExecStreamParams const &params);
00067 };
00068 
00069 FENNEL_END_NAMESPACE
00070 
00071 #endif
00072 
00073 // End LbmSortedAggExecStream.h

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