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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtAddOn.JsonDb module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QJSONDB_READ_REQUEST_H
#define QJSONDB_READ_REQUEST_H
#include <QObject>
#include <QJsonValue>
#include <QJsonObject>
#include <QtJsonDb/qjsondbrequest.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE_JSONDB
class QJsonDbReadRequestPrivate;
class Q_JSONDB_EXPORT QJsonDbReadRequest : public QJsonDbRequest
{
Q_OBJECT
Q_PROPERTY(QString query READ query WRITE setQuery)
Q_PROPERTY(int queryLimit READ queryLimit WRITE setQueryLimit)
Q_PROPERTY(quint32 stateNumber READ stateNumber)
Q_PROPERTY(QString sortKey READ sortKey)
public:
QJsonDbReadRequest(QObject *parent = 0);
QJsonDbReadRequest(const QString &query, QObject *parent = 0);
~QJsonDbReadRequest();
enum ErrorCode {
NoError = QJsonDbRequest::NoError,
InvalidRequest = QJsonDbRequest::InvalidRequest,
OperationNotPermitted = QJsonDbRequest::OperationNotPermitted,
InvalidPartition = QJsonDbRequest::InvalidPartition,
DatabaseConnectionError = QJsonDbRequest::DatabaseConnectionError,
PartitionUnavailable = QJsonDbRequest::PartitionUnavailable,
MissingQuery = QJsonDbRequest::MissingQuery,
InvalidMessage= QJsonDbRequest::InvalidMessage,
InvalidLimit = QJsonDbRequest::InvalidLimit
};
QString query() const;
void setQuery(const QString &);
int queryLimit() const;
void setQueryLimit(int limit);
void bindValue(const QString &placeHolder, const QJsonValue &val);
QJsonValue boundValue(const QString &placeHolder) const;
QMap<QString,QJsonValue> boundValues() const;
void clearBoundValues();
// query results. Data is only available after started() was emitted.
quint32 stateNumber() const;
QString sortKey() const;
protected:
QJsonDbReadRequest(QJsonDbReadRequestPrivate *dd, QObject *parent);
private:
Q_DISABLE_COPY(QJsonDbReadRequest)
Q_DECLARE_PRIVATE(QJsonDbReadRequest)
friend class QJsonDbConnectionPrivate;
};
class QJsonDbReadObjectRequestPrivate;
class Q_JSONDB_EXPORT QJsonDbReadObjectRequest : public QJsonDbReadRequest
{
Q_OBJECT
Q_PROPERTY(QUuid uuid READ uuid WRITE setUuid)
public:
QJsonDbReadObjectRequest(QObject *parent = 0);
QJsonDbReadObjectRequest(const QUuid &uuid, QObject *parent = 0);
QUuid uuid() const;
void setUuid(const QUuid &uuid);
Q_SIGNALS:
void objectAvailable(const QJsonObject &object);
void objectUnavailable(const QUuid &);
private:
Q_DISABLE_COPY(QJsonDbReadObjectRequest)
Q_DECLARE_PRIVATE(QJsonDbReadObjectRequest)
Q_PRIVATE_SLOT(d_func(), void _q_onFinished())
};
QT_END_NAMESPACE_JSONDB
QT_END_HEADER
#endif // QJSONDB_READ_REQUEST_H
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