81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
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/*
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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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#include "Algebras/Distributed2/Dist2Helper.h"
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#include "Algebras/DBService/DBServiceManager.hpp"
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#include "Algebras/DBService/DebugOutput.hpp"
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#include "Algebras/DBService/OperatorUseIncrementalMetadataUpdate.hpp"
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using namespace std;
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namespace DBService
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{
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ListExpr OperatorUseIncrementalMetadataUpdate::mapType(ListExpr nestedList)
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{
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print(nestedList, std::cout);
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if (!nl->HasLength(nestedList, 1))
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{
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ErrorReporter::ReportError(
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"expected one argument");
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return nl->TypeError();
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}
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if(!CcBool::checkType(nl->First(nestedList)))
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{
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ErrorReporter::ReportError(
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"first argument must be bool");
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return nl->TypeError();
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}
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return listutils::basicSymbol<CcBool>();
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}
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int OperatorUseIncrementalMetadataUpdate::mapValue(Word* args,
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Word& result,
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int message,
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Word& local,
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Supplier s)
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{
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bool currentValue = DBServiceManager::isUsingIncrementalMetadataUpdate();
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print("currentValue", currentValue, std::cout);
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bool newValue = static_cast<CcBool*>(args[0].addr)->GetValue();
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print("newValue", newValue, std::cout);
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if(currentValue != newValue)
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{
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DBServiceManager::useIncrementalMetadataUpdate(newValue);
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}
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result = qp->ResultStorage(s);
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// return whether the update mode was changed
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static_cast<CcBool*>(result.addr)->Set(true, (currentValue != newValue));
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return 0;
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}
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}
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