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Sample reg. JSON performance

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* DB JSON vs. swift JSON
* Database reader: own function for stringToDatastoreResponse so it can be reused
This commit is contained in:
Klaus Basan
2016-10-20 02:29:48 +02:00
parent 7279772cab
commit 14469f2d4e
6 changed files with 94 additions and 29 deletions
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39
samples/blackmisc/samplesperformance.cpp
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@@ -11,6 +11,9 @@
//! \ingroup sampleblackmisc
#include "samplesperformance.h"
#include "blackcore/db/databasereader.h"
#include "blackconfig/buildconfig.h"
#include "blackmisc/simulation/aircraftmodellist.h"
#include "blackmisc/aviation/aircraftsituation.h"
#include "blackmisc/aviation/aircraftsituationlist.h"
#include "blackmisc/aviation/altitude.h"
@@ -41,6 +44,9 @@ using namespace BlackMisc;
using namespace BlackMisc::Aviation;
using namespace BlackMisc::Geo;
using namespace BlackMisc::PhysicalQuantities;
using namespace BlackMisc::Simulation;
using namespace BlackConfig;
using namespace BlackCore::Db;
namespace BlackSample
{
@@ -342,6 +348,39 @@ namespace BlackSample
return 0;
}
int CSamplesPerformance::samplesJsonModel(QTextStream &out)
{
const QString dir = CBuildConfig::getSwiftStaticDbFilesDir();
const QString file = QDir(dir).filePath("models.json");
QFile modelFile(file);
Q_ASSERT_X(modelFile.exists(), Q_FUNC_INFO, "Model file does not exist");
out << "Load DB JSON file " << modelFile.fileName() << endl;
const QString data = CFileUtils::readFileToString(modelFile.fileName());
Q_ASSERT_X(!data.isEmpty(), Q_FUNC_INFO, "Model file empty");
// DB format, all models denormalized in DB JSON format
CDatabaseReader::JsonDatastoreResponse response = CDatabaseReader::stringToDatastoreResponse(data);
QTime timer;
timer.start();
const CAircraftModelList dbModels = CAircraftModelList::fromDatabaseJson(response);
int ms = timer.elapsed();
out << "Read via DB JSON format: " << dbModels.size() << " models in " << ms << "ms" << endl;
// swift JSON format
const QJsonObject swiftJsonObject = dbModels.toJson();
out << "Converted to swift JSON" << endl;
CAircraftModelList swiftModels;
timer.start();
swiftModels.convertFromJson(swiftJsonObject);
ms = timer.elapsed();
out << "Read via swift JSON format: " << swiftModels.size() << " models in " << ms << "ms" << endl;
Q_ASSERT_X(swiftModels.size() == dbModels.size(), Q_FUNC_INFO, "Mismatching container size");
return 0;
}
int CSamplesPerformance::samplesString(QTextStream &out)
{
QTime timer;