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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtAddOn.JsonDb module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef JSONDB_INDEX_H
+#define JSONDB_INDEX_H
+
+#include <QObject>
+#include <QJSEngine>
+#include <QPointer>
+#include <QStringList>
+
+#include <qjsonarray.h>
+#include <qjsonobject.h>
+#include <qjsonvalue.h>
+
+#include "jsondbobject.h"
+
+#include "jsondbpartitionglobal.h"
+#include "jsondbobjectkey.h"
+#include "jsondbbtree.h"
+#include "jsondbcollator.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE_JSONDB_PARTITION
+
+class JsonDbPartition;
+class JsonDbObjectTable;
+
+class Q_JSONDB_PARTITION_EXPORT JsonDbIndex : public QObject
+{
+    Q_OBJECT
+public:
+    JsonDbIndex(const QString &fileName, const QString &indexName, const QString &propertyName,
+                const QString &propertyType, const QStringList &objectType, const QString &locale, const QString &collation,
+                const QString &casePreference, Qt::CaseSensitivity caseSensitivity,
+                JsonDbObjectTable *objectTable);
+    ~JsonDbIndex();
+
+    QString propertyName() const { return mPropertyName; }
+    QStringList fieldPath() const { return mPath; }
+    QString propertyType() const { return mPropertyType; }
+    QStringList objectType() const { return mObjectType; }
+
+    JsonDbBtree *bdb();
+
+    bool setPropertyFunction(const QString &propertyFunction);
+    void indexObject(const ObjectKey &objectKey, JsonDbObject &object, quint32 stateNumber);
+    void deindexObject(const ObjectKey &objectKey, JsonDbObject &object, quint32 stateNumber);
+    QList<QJsonValue> indexValues(JsonDbObject &object);
+
+    quint32 stateNumber() const;
+
+    JsonDbBtree::Transaction *begin();
+    bool commit(quint32);
+    bool abort();
+    bool clearData();
+
+    void checkIndex();
+    void setCacheSize(quint32 cacheSize);
+    bool open();
+    void close();
+    bool exists() const;
+
+    static bool validateIndex(const JsonDbObject &newIndex, const JsonDbObject &oldIndex, QString &message);
+    static QString determineName(const JsonDbObject &index);
+
+private:
+    QJsonValue indexValue(const QJsonValue &v);
+
+private slots:
+    void propertyValueEmitted(QJSValue);
+
+private:
+    JsonDbObjectTable *mObjectTable;
+    QString mFileName;
+    QString mIndexName;
+    QString mPropertyName;
+    QStringList mPath;
+    QString mPropertyType;
+    QStringList mObjectType;
+    QString mLocale;
+    QString mCollation;
+    QString mCasePreference;
+    Qt::CaseSensitivity mCaseSensitivity;
+#ifndef NO_COLLATION_SUPPORT
+    JsonDbCollator mCollator;
+#endif
+    quint32 mStateNumber;
+    QScopedPointer<JsonDbBtree> mBdb;
+    QJSEngine *mScriptEngine;
+    QJSValue   mPropertyFunction;
+    QList<QJsonValue> mFieldValues;
+    quint32 mCacheSize;
+};
+
+class IndexSpec {
+public:
+    QString name;
+    QString propertyName;
+    QStringList path;
+    QString propertyType;
+    QString locale;
+    QString collation;
+    QString casePreference;
+    Qt::CaseSensitivity caseSensitivity;
+    QStringList objectType;
+    bool    lazy;
+    QPointer<JsonDbIndex> index;
+};
+
+QT_END_NAMESPACE_JSONDB_PARTITION
+
+QT_END_HEADER
+
+#endif // JSONDB_INDEX_H