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/*
* Copyright (C) 2013-2015, 2019 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU Lesser General Public
* License (LGPLv3) as published by the Free Software Foundation.
*
* Konclude 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 (Lesser) General Public License for more details.
*
* You should have received a copy of the GNU (Lesser) General Public
* License along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef KONCLUDE_REDLAND_INTEGRATION
#ifndef KONCLUDE_PARSER_CSPARQLREDLANDRASQALREASONINGBGPQUERYPARSER_H
#define KONCLUDE_PARSER_CSPARQLREDLANDRASQALREASONINGBGPQUERYPARSER_H
// Libraries includes
#include <librdf.h>
#include <QRegularExpression>
// Namespace includes
#include "CQueryParser.h"
#include "COntologyParser.h"
#include "CSPARQLQueryBuilder.h"
#include "COntologyBuilder.h"
#include "CSPARQLExtendedMappingBuildingParser.h"
#include "CSPARQLQueryParser.h"
// Other includes
#include "Parser/Expressions/CQuerySPARQLBasicGraphPatternExpression.h"
#include "Parser/Expressions/COrderingVariableExpression.h"
#include "Config/CConfigDataReader.h"
#include "Parser/Expressions/CFilteringTermExpression.h"
// Logger includes
#include "Logger/CLogger.h"
using namespace Konclude::Logger;
namespace Konclude {
using namespace Config;
namespace Parser {
using namespace Expression;
/*!
*
* \class CSPARQLRedlandRasqalReasoningBGPQueryParser
* \author Andreas Steigmiller
* \version 0.1
* \brief TODO
*
*/
class CSPARQLRedlandRasqalReasoningBGPQueryParser : public CSPARQLExtendedMappingBuildingParser {
// public methods
public:
//! Constructor
CSPARQLRedlandRasqalReasoningBGPQueryParser(CSPARQLQueryBuilder *queryBuilder, COntologyBuilder* ontoBuilder, CConcreteOntology* ontology, CConfigurationBase* config);
//! Destructor
virtual ~CSPARQLRedlandRasqalReasoningBGPQueryParser();
class CRedlandRasqalBGPSubQueryData {
public:
rasqal_graph_pattern* bgp = nullptr;
int tripleStartPos = 0;
int tripleEndPos = 0;
bool completelyHandledResultsTransfer = false;
cint64 subQueryId = 0;
QList<cint64> dependentSubQueryIds;
};
QHash<QString, CRedlandRasqalBGPSubQueryData*> parseBGPReasoningSubQueries(librdf_world* world, librdf_query* redlandQuery, rasqal_query* rasqalQuery, const QString& queryText, const QString& knowledgeBase, bool defaultKnowledgeBase, cint64& nextSubQueryId);
// protected variables
protected:
class CBGPSubQueryGenerationData {
public:
CRedlandRasqalBGPSubQueryData* bgpData = nullptr;
cint64 subQueryId = 0;
QList<CRDFStringTriple*> connectedTripleStringList;
QList<CRDFStringTriple> convertingStringTriplesList;
QSet<cint64> usedtriplePosSet;
QList<CRDFStringTriple> additionalIntegratingStringTriplesList;
QSet<QString> connectedVariableSet;
QStringList subQueryVarStringList;
QSet<QString> distinguishedVariableSet;
QStringList distinguishedVariableStringList;
QSet<QString> additionalIntegratedVariableSet;
};
// protected methods
protected:
bool identifySubBGPsDistinctComputable(rasqal_graph_pattern * basicGrapPattern, QSet<rasqal_graph_pattern*>& distinctSubBGPsSet);
bool identifyHandlingKnowledgeBaseRelevantBGPs(rasqal_graph_pattern* grapPattern, bool rootPattern, QSet<rasqal_graph_pattern*>& kbRelevantBGPsSet, const QString& kbName, bool defaultKB);
bool checkSingleBGPResultsDirectUsable(bool singleBGPResultsDirectlyUsable, rasqal_graph_pattern * basicGrapPattern, rasqal_query* rasqalQuery);
bool identifyBGPBasedSubQueryTriples(rasqal_graph_pattern* grapPattern);
bool identifyBGPBasedSubQueries(rasqal_graph_pattern* grapPattern);
CBGPSubQueryGenerationData* createSubQueryGenerationData(rasqal_query *query, CSPARQLRedlandRasqalReasoningBGPQueryParser::CRedlandRasqalBGPSubQueryData* bgpData);
bool generateBGPBasedSubQueries(const QStringList& projectedVarList);
bool integrateFollowingSubQueryRestrictions(CBGPSubQueryGenerationData* subQueryBGPData, CBGPSubQueryGenerationData* followingSubQueryBGPData);
// protected variables
protected:
CSPARQLQueryBuilder* mQueryBuilder;
QString mQueryText;
librdf_query* mRedlandQuery;
rasqal_query* mRasqalQuery;
rasqal_world* mRasqalWorld;
librdf_world* mRedlandWorld;
raptor_world* mRaptorWorld;
cint64 mNextSubQueryId = 0;
QSet<rasqal_graph_pattern*> mKnowledgeBaseRelevantBGPsSet;
bool mQueryContainsSelectAll = false;
QSet<rasqal_graph_pattern*> mDistinctSubBGPsSet;
bool mSingleBGPResultsDirectlyUsable = false;
QList<CQuerySPARQLBasicGraphPatternExpression*> mSPARQLBGPQueryList;
CConfigurationBase* mConfig;
bool mConfWriteQueryStructure = false;
bool mConfForceDistinctSubQueries = false;
bool mConfReduceBGPSubQueryAnswerVariables = false;
bool mConfPropagateBGPSubQueryDistinct = false;
bool mConfMinimizeBGPTriples = false;
bool mConfAllowResultStreamingFromSingleSubQuery = false;
bool mConfSubQueriesDependencyIdentification = false;
bool mConfSubQueriesFollowingRestrictionsIntegration = false;
bool mConfWriteSubQueryTriples = false;
QHash<cint64, CBGPSubQueryGenerationData*> mIdSubQueryIdDataHash;
QHash<rasqal_graph_pattern*, CBGPSubQueryGenerationData*> mBGPSubQueryIdDataHash;
QHash<QString, CRedlandRasqalBGPSubQueryData*> mBGPSubQueryNameHash;
// private methods
private:
// private variables
private:
};
}; // end namespace Parser
}; // end namespace Konclude
#endif // KONCLUDE_PARSER_CSPARQLREDLANDRASQALREASONINGBGPQUERYPARSER_H
#endif // KONCLUDE_REDLAND_INTEGRATION
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