95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
/*
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//paragraph [1] Title: [{\Large \bf] [}]
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//[ue] [\"{u}]
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//[us] [\_]
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//[_] [\_]
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[1] The DBServiceAlgebra:\newline{Fault-Tolerant Query Execution in SECONDO}
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\tableofcontents
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\newpage
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1 Core Components
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1.1 \textit{DBServiceAlgebra}
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The \textit{DBServiceAlgebra} registers the \textit{DBService} functionality
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with the \textit{AlgebraManager}.
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----
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This file is part of SECONDO.
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Copyright (C) 2017,
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Faculty of Mathematics and 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_DBSERVICE_DBSERVICEALGEBRA_HPP_
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#define ALGEBRAS_DBSERVICE_DBSERVICEALGEBRA_HPP_
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#include "Algebra.h"
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#include "NList.h"
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#include "QueryProcessor.h"
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extern NestedList* nl;
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extern QueryProcessor* qp;
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namespace DBService
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{
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/*
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1.1.1 Class Definition
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*/
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class DBServiceAlgebra: public Algebra
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{
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public:
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/*
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1.1.1.1 Constructor
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In the constructor, the implemented operators are registered at the
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~DBServiceAlgebra~ so that they can be recognized by the ~QueryProcessor~.
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*/
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DBServiceAlgebra();
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};
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} /* namespace DBService */
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/*
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1.1.1 Algebra Initialization
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This function initializes the \textit{DBServiceAlgebra} so that it can expose
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its functionality to the SECONDO system.
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*/
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extern "C" Algebra*
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InitializeDBServiceAlgebra(NestedList* nlRef, QueryProcessor* qpRef)
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{
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return new DBService::DBServiceAlgebra;
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}
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#endif /* ALGEBRAS_DBSERVICE_DBSERVICEALGEBRA_HPP_ */
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