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/*
* Copyright (C) 2014 Aaron Seigo <aseigo@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "datasetdefinition.h"
#include "state.h"
#include "common/storage.h"
#include <QHash>
#include <QVariant>
namespace HAWD
{
class Dataset
{
public:
class Row
{
public:
Row(const Row &other);
Row &operator=(const Row &rhs);
void setValue(const QString &column, const QVariant &value);
QVariant value(const QString &column);
void annotate(const QString ¬e);
qint64 key() const;
QByteArray toBinary() const;
QString toString() const;
private:
Row();
Row(const Dataset &dataset, qint64 key = 0);
void fromBinary(QByteArray &binary);
qint64 m_key;
QHash<QString, DataDefinition> m_columns;
QHash<QString, QVariant> m_data;
QString m_annotation;
const Dataset *m_dataset;
friend class Dataset;
};
Dataset(const DatasetDefinition &definition);
Dataset(const QString &name, const State &state);
~Dataset();
bool isValid();
const DatasetDefinition &definition() const;
qint64 insertRow(const Row &row);
void removeRow(const Row &row);
Row row(qint64 key = 0);
Row lastRow();
//TODO: row cursor
private:
DatasetDefinition m_definition;
Storage m_storage;
};
} // namespace HAWD
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