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secondo/Algebras/AlgebraTemplate.cpp.txt
2026-01-23 17:03:45 +08:00

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/*
----
This file is part of SECONDO.
Copyright (C) 2004, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO 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.
SECONDO 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 SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
*/
/*
Replace XXX and xxx by sufficent names and define an unique id for
a new algebra in the file Algebras/AlgebraList.i.cfg. Moreover, add a new
entry in makefile.algebras.
*/
#include "Algebra.h"
#include "NestedList.h"
#include "QueryProcessor.h"
extern NestedList* nl;
extern QueryProcessor *qp;
class XXXAlgebra : public Algebra
{
public:
XXXAlgebra() : Algebra()
{
}
~XXXAlgebra() {}
};
XXXAlgebra xxxAlgebra;
/*
5 Initialization
*/
extern "C"
Algebra*
InitializeXXXAlgebra(NestedList *nlRef, QueryProcessor *qpRef)
{
nl = nlRef;
qp = qpRef;
return (&xxxAlgebra);
}