95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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1.1.1 Class Implementation
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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 "NestedList.h"
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#include "StandardTypes.h"
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#include "Algebras/DBService2/DBServiceManager.hpp"
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#include "Algebras/DBService2/OperatorCheckDBServiceStatus.hpp"
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#include "Algebras/DBService2/DebugOutput.hpp"
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#include "Algebras/FText/FTextAlgebra.h"
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#include <sstream>
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#include <loguru.hpp>
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extern boost::recursive_mutex nlparsemtx;
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namespace DBService
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{
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ListExpr OperatorCheckDBServiceStatus::mapType(ListExpr nestedList)
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{
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print(nestedList, std::cout);
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// ensure to have only one access to the catalog
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LOG_F(INFO, "%s", "Acquiring lock for nlparsemtx...");
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boost::lock_guard<boost::recursive_mutex> guard(nlparsemtx);
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LOG_F(INFO, "%s", "Successfully acquired lock for nlparsemtx...");
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if (!nl->HasLength(nestedList, 0))
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{
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ErrorReporter::ReportError(
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"expected signature: (empty signature)");
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return nl->TypeError();
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}
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return listutils::basicSymbol<FText>();
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}
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int OperatorCheckDBServiceStatus::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 dbServiceStarted = DBServiceManager::isActive();
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std::string r;
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if(dbServiceStarted)
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{
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DBServiceManager* dbService = DBServiceManager::getInstance();
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std::stringstream out;
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if(dbService){
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dbService->printMetadata(out);
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} else {
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out << "DBService is started, but instance not found."
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<< endl;
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}
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r = out.str();
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}
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LOG_F(INFO, "%s", "Acquiring lock for nlparsemtx...");
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boost::lock_guard<boost::recursive_mutex> guard(nlparsemtx);
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LOG_F(INFO, "%s", "Successfully acquired lock for nlparsemtx...");
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//TODO Is here locking needed when accessing the qp?
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result = qp->ResultStorage(s);
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static_cast<FText*>(result.addr)->Set(dbServiceStarted,r);
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return 0;
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}
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} /* namespace DBService */
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