QtSparql  0.2.6
qsparql_tracker_direct_sync_result_p.h
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39 
40 #ifndef QSPARQL_TRACKER_DIRECT_SYNC_RESULT_P_H
41 #define QSPARQL_TRACKER_DIRECT_SYNC_RESULT_P_H
42 
43 #include <tracker-sparql.h>
44 #include "qsparql_tracker_direct_result_p.h"
45 
46 QT_BEGIN_HEADER
47 
48 QT_BEGIN_NAMESPACE
49 
50 class QTrackerDirectDriverPrivate;
52 
53 // A sync and forward-only Result class. The instance of this class is retreved
54 // with QTrackerDirectDriver::syncExec().
55 class QTrackerDirectSyncResult : public QTrackerDirectResult
56 {
57  Q_OBJECT
58 public:
59  explicit QTrackerDirectSyncResult(QTrackerDirectDriverPrivate* p,
60  const QString& query,
62  const QSparqlQueryOptions& options);
63  ~QTrackerDirectSyncResult();
64 
65  // Implementation of the QSparqlResult interface
66  virtual bool next();
67 
68  virtual QSparqlResultRow current() const;
69  virtual QSparqlBinding binding(int i) const;
70  virtual QVariant value(int i) const;
71  virtual QString stringValue(int i) const;
72 
73  virtual bool isFinished() const;
74  virtual bool hasFeature(QSparqlResult::Feature feature) const;
75  virtual void waitForFinished();
76 
77 public Q_SLOTS:
78  virtual void exec();
79 
80 private:
81  TrackerSparqlCursor* cursor;
82  mutable int n_columns;
83  bool isAsync;
84 
85  Q_INVOKABLE void startFetcher();
86 
87  virtual void stopAndWait();
88  virtual void run();
89  void runQuery();
90  void updateQuery();
91  void selectQuery();
92  void terminate();
93 };
94 
95 QT_END_NAMESPACE
96 
97 QT_END_HEADER
98 
99 #endif // QSPARQL_TRACKER_DIRECT_SYNC_RESULT_P_H
QSparqlBinding
The QSparqlBinding class handles a binding between a SPARQL query variable name and the value of the ...
Definition: qsparqlbinding.h:62
QSparqlResultRow
The QSparqlResultRow class encapsulates a row in the results of a query.
Definition: qsparqlresultrow.h:64
QSparqlResult::Feature
Feature
Definition: qsparqlresult.h:72
QSparqlQueryOptions
Encapsulates query execution options given to QSparqlConnection::exec(const QSparqlQuery&,...
Definition: qsparqlqueryoptions.h:61
QSparqlQuery::StatementType
StatementType
Definition: qsparqlquery.h:67