QxOrm  1.4.5
C++ Object Relational Mapping library
QxPropertyBag.h
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00001 /****************************************************************************
00002 **
00003 ** https://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
00007 **
00008 ** This software is provided 'as-is', without any express or implied
00009 ** warranty. In no event will the authors be held liable for any
00010 ** damages arising from the use of this software
00011 **
00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
00014 ** accordance with the commercial license agreement provided with the
00015 ** Software or, alternatively, in accordance with the terms contained in
00016 ** a written agreement between you and Lionel Marty
00017 **
00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
00020 ** General Public License version 3.0 as published by the Free Software
00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
00022 ** packaging of this file. Please review the following information to
00023 ** ensure the GNU General Public License version 3.0 requirements will be
00024 ** met : http://www.gnu.org/copyleft/gpl.html
00025 **
00026 ** If you are unsure which license is appropriate for your use, or
00027 ** if you have questions regarding the use of this file, please contact :
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00031 
00032 #ifndef _QX_PROPERTY_BAG_H_
00033 #define _QX_PROPERTY_BAG_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QtCore/qhash.h>
00047 #include <QtCore/qstring.h>
00048 #include <QtCore/qvariant.h>
00049 
00050 namespace qx {
00051 
00056 class QxPropertyBag
00057 {
00058 
00059 protected:
00060 
00061    typedef QHash<QString, QVariant> type_hash_prop_bag;
00062    typedef std::shared_ptr<type_hash_prop_bag> type_hash_prop_bag_ptr;
00063 
00064    type_hash_prop_bag_ptr m_lstPropertyBag;  
00065 
00066 public:
00067 
00068    QxPropertyBag() { ; }
00069    virtual ~QxPropertyBag() { ; }
00070 
00071    void setPropertyBag(const QString & key, const QVariant & value)  { initPropertyBag(); m_lstPropertyBag->insert(key, value); }
00072    QVariant getPropertyBag(const QString & key) const                { return ((m_lstPropertyBag && m_lstPropertyBag->contains(key)) ? m_lstPropertyBag->value(key) : QVariant()); }
00073    void removePropertyBag(const QString & key)                       { if (m_lstPropertyBag) { m_lstPropertyBag->remove(key); } }
00074    void clearPropertyBag()                                           { if (m_lstPropertyBag) { m_lstPropertyBag->clear(); } }
00075    long countPropertyBag() const                                     { return (m_lstPropertyBag ? m_lstPropertyBag->count() : 0); }
00076    QList<QString> getAllPropertyBagKeys() const                      { return (m_lstPropertyBag ? m_lstPropertyBag->keys() : QList<QString>()); }
00077 
00078 private:
00079 
00080    inline void initPropertyBag()
00081    { if (! m_lstPropertyBag) { m_lstPropertyBag.reset(new type_hash_prop_bag()); } }
00082 
00083 };
00084 
00085 } // namespace qx
00086 
00087 #endif // _QX_PROPERTY_BAG_H_