QxOrm  1.2.3
C++ Object Relational Mapping library
QxPropertyBag.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** http://sourceforge.net/projects/qxorm/
00005 ** Original file by Lionel Marty
00006 **
00007 ** This file is part of the QxOrm library
00008 **
00009 ** This software is provided 'as-is', without any express or implied
00010 ** warranty. In no event will the authors be held liable for any
00011 ** damages arising from the use of this software.
00012 **
00013 ** GNU Lesser General Public License Usage
00014 ** This file must be used under the terms of the GNU Lesser
00015 ** General Public License version 2.1 as published by the Free Software
00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
00017 ** packaging of this file.  Please review the following information to
00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00020 **
00021 ** If you have questions regarding the use of this file, please contact :
00022 ** contact@qxorm.com
00023 **
00024 ****************************************************************************/
00025 
00026 #ifndef _QX_PROPERTY_BAG_H_
00027 #define _QX_PROPERTY_BAG_H_
00028 
00029 #ifdef _MSC_VER
00030 #pragma once
00031 #endif
00032 
00040 #include <boost/shared_ptr.hpp>
00041 
00042 #include <QtCore/qhash.h>
00043 #include <QtCore/qstring.h>
00044 #include <QtCore/qvariant.h>
00045 
00046 namespace qx {
00047 
00052 class QxPropertyBag
00053 {
00054 
00055 protected:
00056 
00057    typedef QHash<QString, QVariant> type_hash_prop_bag;
00058    typedef boost::shared_ptr<type_hash_prop_bag> type_hash_prop_bag_ptr;
00059 
00060    type_hash_prop_bag_ptr m_lstPropertyBag;  
00061 
00062 public:
00063 
00064    QxPropertyBag() { ; }
00065    virtual ~QxPropertyBag() { ; }
00066 
00067    void setPropertyBag(const QString & key, const QVariant & value)  { initPropertyBag(); m_lstPropertyBag->insert(key, value); }
00068    QVariant getPropertyBag(const QString & key) const                { return ((m_lstPropertyBag && m_lstPropertyBag->contains(key)) ? m_lstPropertyBag->value(key) : QVariant()); }
00069    void removePropertyBag(const QString & key)                       { if (m_lstPropertyBag) { m_lstPropertyBag->remove(key); } }
00070    void clearPropertyBag()                                           { if (m_lstPropertyBag) { m_lstPropertyBag->clear(); } }
00071    long countPropertyBag() const                                     { return (m_lstPropertyBag ? m_lstPropertyBag->count() : 0); }
00072    QList<QString> getAllPropertyBagKeys() const                      { return (m_lstPropertyBag ? m_lstPropertyBag->keys() : QList<QString>()); }
00073 
00074 private:
00075 
00076    inline void initPropertyBag()
00077    { if (! m_lstPropertyBag) { m_lstPropertyBag.reset(new type_hash_prop_bag()); } }
00078 
00079 };
00080 
00081 } // namespace qx
00082 
00083 #endif // _QX_PROPERTY_BAG_H_