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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 JSONDBPARTITION_H1
#define JSONDBPARTITION_H1
#include <QObject>
#include <QScopedPointer>
#include <QMap>
#include <QPointer>
#include <QJSValue>
#include <QJSEngine>
#include <QQmlListProperty>
#include <QJsonDbConnection>
#include <QJsonDbWriteRequest>
#include <QJsonDbWatcher>
QT_BEGIN_NAMESPACE_JSONDB
class JsonDbNotify;
class JsonDbPartitionPrivate;
class JsonDbQueryObject;
class JsonDbPartition: public QObject
{
Q_OBJECT
Q_ENUMS(State)
public:
enum ConflictResolutionMode {
RejectStale = QJsonDbWriteRequest::RejectStale,
Replace = QJsonDbWriteRequest::Replace
};
enum State { None, Online, Offline, Error };
JsonDbPartition(const QString &partitionName=QString(), QObject *parent=0);
~JsonDbPartition();
Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
Q_PROPERTY(State state READ state NOTIFY stateChanged)
Q_INVOKABLE int create(const QJSValue &object,
const QJSValue &options = QJSValue(QJSValue::UndefinedValue),
const QJSValue &callback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE int update(const QJSValue &object,
const QJSValue &options = QJSValue(QJSValue::UndefinedValue),
const QJSValue &callback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE int remove(const QJSValue &object,
const QJSValue &options = QJSValue(QJSValue::UndefinedValue),
const QJSValue &callback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE int find(const QString &query,
const QJSValue &options = QJSValue(QJSValue::UndefinedValue),
const QJSValue &callback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE QT_PREPEND_NAMESPACE_JSONDB(JsonDbNotify)* createNotification(const QString &query);
Q_INVOKABLE QT_PREPEND_NAMESPACE_JSONDB(JsonDbQueryObject)* createQuery(const QString &query, int limit, QVariantMap bindings);
QString name() const;
void setName(const QString &partitionName);
State state() const { return _state; }
Q_PROPERTY(QQmlListProperty<QObject> childElements READ childElements)
Q_CLASSINFO("DefaultProperty", "childElements")
QQmlListProperty<QObject> childElements();
Q_ENUMS(ConflictResolutionMode)
Q_SIGNALS:
void nameChanged(const QString &partitionName);
void stateChanged(JsonDbPartition::State state);
private:
QString _name;
QString _file;
QString _uuid;
State _state;
QJsonDbWatcher *partitionWatcher;
QList<QPointer<QJsonDbWatcher> > watchers;
QList<QObject*> childQMLElements;
QMap<JsonDbQueryObject*, QJSValue> findCallbacks;
QMap<JsonDbQueryObject*, int> findIds;
QMap<QJsonDbWriteRequest*, QJSValue> writeCallbacks;
void updateNotification(JsonDbNotify *notify);
void removeNotification(JsonDbNotify *notify);
void init();
void call(QMap<QJsonDbWriteRequest*, QJSValue> &callbacks, QJsonDbWriteRequest *request);
void callErrorCallback(QMap<QJsonDbWriteRequest*, QJSValue> &callbacks, QJsonDbWriteRequest *request,
QtJsonDb::QJsonDbRequest::ErrorCode code, const QString &message);
private Q_SLOTS:
void queryFinished();
void partitionQueryFinished();
void partitionQueryError();
void queryStatusChanged();
void requestFinished();
void requestError(QtJsonDb::QJsonDbRequest::ErrorCode code, const QString &message);
void notificationsAvailable();
void notificationError(QtJsonDb::QJsonDbWatcher::ErrorCode code, const QString &message);
friend class JsonDbNotify;
friend class JsonDbQueryObject;
};
QJSValue qjsonobject_list_to_qjsvalue(const QList<QJsonObject> &list);
QT_END_NAMESPACE_JSONDB
#endif
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