103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of 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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//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
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//characters [1] Type: [] []
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//characters [2] Type: [] []
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//[ae] [\"{a}]
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//[oe] [\"{o}]
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//[ue] [\"{u}]
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//[ss] [{\ss}]
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//[Ae] [\"{A}]
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//[Oe] [\"{O}]
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//[Ue] [\"{U}]
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//[x] [$\times $]
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//[->] [$\rightarrow $]
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//[toc] [\tableofcontents]
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[1] Implementation of the Worker type: Loop
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The Worker receives the queries from the Coordinator and tuples from the
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stream supplier. After checking all queries with the tuple, the nomo handler
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is informed.
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[toc]
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1 WorkerLoop class implementation
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see WorkerLoop.cpp for details.
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*/
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#ifndef __WORKERLOOP_H__
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#define __WORKERLOOP_H__
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#include "../Generic/WorkerGen.h"
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// #include "../Tcp/TcpClient.h"
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// #include "../Tcp/TcpServer.h"
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// #include "../Protocols.h"
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// #include <map>
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// #include <string>
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// #include <chrono>
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// #include <thread>
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// #include <mutex>
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// #include <iostream>
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// #include <condition_variable>
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// #include "ListUtils.h"
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// #include "Algebras/Relation-C++/RelationAlgebra.h"
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namespace continuousqueries {
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class WorkerLoop: public WorkerGen {
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public:
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// Create
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WorkerLoop(int id, std::string attrliststr, TcpClient* coordinationClient);
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~WorkerLoop();
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struct queryStruct {
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int id;
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std::string funText;
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ArgVectorPointer funargs;
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OpTree tree;
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};
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void TightLoop();
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bool filterTuple(Tuple* tuple, OpTree& tree,
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ArgVectorPointer& funargs);
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void addQuery(int id, std::string function);
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void showStatus();
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private:
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std::map<int, queryStruct> _queries;
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ListExpr _attrlist;
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TupleType* _tt;
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};
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}
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#endif |