Files
secondo/Algebras/ContinuousQueries/ContinuousQueriesAlgebra.cpp
2026-01-23 17:03:45 +08:00

86 lines
2.3 KiB
C++

/*
----
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
----
//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
//characters [1] Type: [] []
//characters [2] Type: [] []
//[ae] [\"{a}]
//[oe] [\"{o}]
//[ue] [\"{u}]
//[ss] [{\ss}]
//[Ae] [\"{A}]
//[Oe] [\"{O}]
//[Ue] [\"{U}]
//[x] [$\times $]
//[->] [$\rightarrow $]
//[toc] [\tableofcontents]
[1] Implementation of the operators for creating a Secondo Stram Processor.
[toc]
1 ContinuousQueries class implementation
*/
#include "ContinuousQueriesAlgebra.h"
namespace continuousqueries {
extern Operator createSSPHandler_Op;
extern Operator createSSPCoordinator_Op;
extern Operator createSSPStreamSupplier_Op;
extern Operator foreverStream_Op;
extern Operator foreverQueries_Op;
extern Operator relFromTupleBinStr_Op;
ContinuousQueriesAlgebra::ContinuousQueriesAlgebra() {
AddOperator(&createSSPCoordinator_Op);
createSSPCoordinator_Op.SetUsesArgsInTypeMapping();
AddOperator(&createSSPHandler_Op);
createSSPHandler_Op.SetUsesArgsInTypeMapping();
AddOperator(&createSSPStreamSupplier_Op);
createSSPStreamSupplier_Op.SetUsesArgsInTypeMapping();
AddOperator(&foreverStream_Op);
foreverStream_Op.SetUsesArgsInTypeMapping();
AddOperator(&foreverQueries_Op);
foreverQueries_Op.SetUsesArgsInTypeMapping();
AddOperator(&relFromTupleBinStr_Op);
relFromTupleBinStr_Op.SetUsesArgsInTypeMapping();
}
extern "C"
Algebra* InitializeContinuousQueriesAlgebra(NestedList* nlRef,
QueryProcessor* qpRef) {
return new ContinuousQueriesAlgebra();
}
} /* namespace continuousqueries */