qsparqlerror.h

/***************************************************************************/
#ifndef QSPARQLERROR_H
#define QSPARQLERROR_H
 
#include <qsparql.h>
 
#include <QtCore/qstring.h>
 
QT_BEGIN_HEADER
 
QT_BEGIN_NAMESPACE
 
QT_MODULE(Sparql)
 
// TODO: how to differentiate between fatal and non-fatal errors. (Fatal =
// doesn't make sense to try to exec() anything ever, non-fatal: exec:in the
// next query, or the same query again, makes sense.)
 
class QString;
 
class Q_SPARQL_EXPORT QSparqlError
{
public:
    enum ErrorType {
        NoError,
        ConnectionError,
        StatementError, // = syntax error
        TransactionError,
        BackendError, // other error sent by the backend
        UnknownError
    };
    QSparqlError(const QString& message = QString(),
                 ErrorType type = NoError,
                 int number = -1);
    QSparqlError(const QSparqlError& other);
    QSparqlError& operator=(const QSparqlError& other);
    ~QSparqlError();
 
    QString message() const;
    void setMessage(const QString& message);
    ErrorType type() const;
    void setType(ErrorType type);
    int number() const;
    void setNumber(int number);
    bool isValid() const;
 
private:
    QString errorMessage;
    ErrorType errorType;
    int errorNumber;
};
 
#ifndef QT_NO_DEBUG_STREAM
Q_SPARQL_EXPORT QDebug operator<<(QDebug, const QSparqlError &);
#endif
 
QT_END_NAMESPACE
 
QT_END_HEADER
 
#endif // QSPARQLERROR_H