int main(int argc, char *argv[])
{
QApplication app(argc, argv);
app.addLibraryPath("../../../../qsparql/plugins");
QSparqlConnectionOptions options;
options.setHostName("dbpedia.org");
QSparqlConnection connection("QSPARQL_ENDPOINT", options);
QWidget mainWidget;
SparqlQueryText queryText(connection);
QPushButton button(QLatin1String("Run Query"));
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(&button);
layout->addWidget(&queryText);
mainWidget.setLayout(layout);
mainWidget.resize(600, 300);
QObject::connect(&button, SIGNAL(clicked()), &queryText, SLOT(runQuery()));
mainWidget.show();
app.exec();
return 0;
}
ObjectIterator Connection::execQuery(const tchar* query) const
{
ASSERT(isOpen());
WCL::ComStr language(L"WQL");
WCL::ComStr queryText(query);
long flags(WBEM_FLAG_RETURN_IMMEDIATELY | WBEM_FLAG_FORWARD_ONLY);
IEnumWbemClassObjectPtr enumerator;
// Execute it.
HRESULT result = m_services->ExecQuery(language.Get(), queryText.Get(), flags,
nullptr, AttachTo(enumerator));
if (FAILED(result))
throw Exception(result, m_services, TXT("Failed to execute a WMI query"));
return ObjectIterator(enumerator, *this);
}