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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_NOTIFICATION_H
#define JSONDB_NOTIFICATION_H
#include <QObject>
#include <QJSValue>
#include "jsondbobject.h"
#include "jsondbpartitionglobal.h"
#include "jsondbquery.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE_JSONDB_PARTITION
class JsonDbObjectTable;
class JsonDbOwner;
class JsonDbPartition;
class JsonDbQuery;
class Q_JSONDB_PARTITION_EXPORT JsonDbNotification : public QObject {
Q_OBJECT
public:
enum Action { None = 0x0000, Create = 0x0001, Update = 0x0002, Remove = 0x0004, StateChange = 0x0008 };
Q_DECLARE_FLAGS(Actions, Action)
JsonDbNotification(const JsonDbOwner *owner, const JsonDbQuery &query, QStringList actions, qint32 initialStateNumber = -1);
~JsonDbNotification();
void notifyIfMatches(JsonDbObjectTable *objectTable, const JsonDbObject &oldObject, const JsonDbObject &newObject,
Action action, quint32 stateNumber);
void notifyStateChange();
inline const JsonDbOwner *owner() const { return mOwner; }
inline Actions actions() const { return mActions; }
inline const JsonDbQuery &parsedQuery() const { return mCompiledQuery; }
inline JsonDbPartition *partition() const { return mPartition; }
inline void setPartition(JsonDbPartition *partition){ mPartition = partition; }
inline JsonDbObjectTable *objectTable() const { return mObjectTable; }
inline void setObjectTable(JsonDbObjectTable *objectTable) { mObjectTable = objectTable; }
inline qint32 initialStateNumber() const { return mInitialStateNumber; }
inline void setInitialStateNumber(qint32 stateNumber) { mInitialStateNumber = stateNumber; }
inline quint32 lastStateNumber() const { return mLastStateNumber; }
inline void setLastStateNumber(quint32 stateNumber) { mLastStateNumber = stateNumber; }
Q_SIGNALS:
void notified(const QJsonObject &object, quint32 stateNumber, JsonDbNotification::Action action);
private:
const JsonDbOwner *mOwner;
JsonDbQuery mCompiledQuery;
Actions mActions;
JsonDbPartition *mPartition;
JsonDbObjectTable *mObjectTable;
qint32 mInitialStateNumber;
quint32 mLastStateNumber;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(JsonDbNotification::Actions)
QT_END_NAMESPACE_JSONDB_PARTITION
QT_END_HEADER
#endif // JSONDB_NOTIFICATION_H
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