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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 JSONDB_CONNECTION_P_H
#define JSONDB_CONNECTION_P_H
#include <QObject>
#include <QVariantMap>
#include <QSet>
#include <QStringList>
#include <QLocalSocket>
#include <QTcpSocket>
#include <QScopedPointer>
#include "jsondb-global.h"
QT_BEGIN_NAMESPACE_JSONDB
class JsonDbConnectionPrivate;
class Q_ADDON_JSONDB_EXPORT JsonDbConnection : public QObject
{
Q_OBJECT
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
public:
enum Status {
// maintain the order to match QML Component enum values (just in case)
Disconnected = 0,
Null = Disconnected,
Ready = 1,
Connecting = 2,
Error = 3,
Authenticating = 4
};
static JsonDbConnection *instance();
static QVariantMap makeCreateRequest(const QVariant &, const QString &partitionName = QString());
static QVariantMap makeUpdateRequest(const QVariant &, const QString &partitionName = QString());
static QVariantMap makeRemoveRequest(const QVariant &, const QString &partitionName = QString());
static QVariantMap makeQueryRequest(const QString &, int offset = 0, int limit = -1, const QString &partitionName = QString());
static QVariantMap makeQueryRequest(const QString &, int offset, int limit,
const QVariantMap &bindings,
const QString &partitionName = QString());
static QVariantMap makeNotification(const QString &, const QVariantList &, const QString &partitionName = QString());
static QVariantMap makeChangesSinceRequest(int stateNumber, const QStringList &types = QStringList(), const QString &partitionName = QString());
JsonDbConnection(QObject *parent = 0);
~JsonDbConnection();
Status status() const;
QString errorString() const;
// One-shot functions allow you to avoid constructing a JsonDbClient
QT_DEPRECATED
void oneShot( const QVariantMap& dbrequest, QObject *receiver=0,
const char *responseSlot=0, const char *errorSlot=0);
// Synchronized calls pause execution until successful
QVariant sync(const QVariantMap &dbrequest);
void connectToServer(const QString &socketName = QString());
void connectToHost(const QString &hostname, quint16 port);
void disconnectFromServer();
// General purpose request
int request(const QVariantMap &request);
bool request(int requestId, const QVariantMap &request);
bool isConnected() const;
Q_DECL_DEPRECATED inline bool connected() const
{ return isConnected(); }
int makeRequestId();
bool waitForConnected(int msecs = 30000);
bool waitForDisconnected(int msecs = 30000);
bool waitForBytesWritten(int msecs = 30000);
signals:
void notified(const QString ¬ify_uuid, const QVariant &object, const QString &action);
void response(int id, const QVariant &data);
void error(int id, int code, const QString &message);
void connected();
void disconnected();
// signals for properties
void statusChanged();
private:
Q_DISABLE_COPY(JsonDbConnection)
Q_DECLARE_PRIVATE(JsonDbConnection)
QScopedPointer<JsonDbConnectionPrivate> d_ptr;
Q_PRIVATE_SLOT(d_func(), void _q_onConnected())
Q_PRIVATE_SLOT(d_func(), void _q_onDisconnected())
Q_PRIVATE_SLOT(d_func(), void _q_onError(QLocalSocket::LocalSocketError))
Q_PRIVATE_SLOT(d_func(), void _q_onReceiveMessage(QJsonObject))
};
QT_END_NAMESPACE_JSONDB
#endif /* JSONDB_CONNECTION_P_H */
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