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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: autoobject.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2005-09-08 03:42:21 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef CONFIGMGR_AUTOOBJECT_HXX
#define CONFIGMGR_AUTOOBJECT_HXX
#ifndef CONFIGMGR_UTILITY_HXX_
#include "utility.hxx"
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
namespace configmgr
{
////////////////////////////////////////////////////////////////////////////////
using ::rtl::OUString;
//-----------------------------------------------------------------------------
template < class Object >
class AutoObject : Noncopyable
{
public:
typedef Object object_type;
typedef Object * Ptr;
public:
AutoObject() : m_pObject(NULL) {}
AutoObject(Object * _obj) : m_pObject(_obj) {}
~AutoObject() { delete m_pObject; }
bool is() const;
Ptr get() const;
Ptr getOrCreate();
osl::Mutex & mutex() const { return m_aMutex; }
private:
Ptr internalCreate();
private:
mutable osl::Mutex m_aMutex;
Ptr m_pObject;
};
//-----------------------------------------------------------------------------
template < class Object >
inline
Object * AutoObject<Object>::get() const
{
// osl::MutexGuard aGuard(m_aMutex);
return m_pObject;
}
//-----------------------------------------------------------------------------
template < class Object >
inline
bool AutoObject<Object>::is() const
{
return get() != NULL;
}
//-----------------------------------------------------------------------------
template < class Object >
Object * AutoObject<Object>::getOrCreate()
{
Object * p = get();
return p ? p : internalCreate();
}
//-----------------------------------------------------------------------------
template < class Object >
Object * AutoObject<Object>::internalCreate()
{
osl::MutexGuard aGuard(m_aMutex);
if (m_pObject == NULL)
m_pObject = new Object();
return m_pObject;
}
//-----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
} // namespace configmgr
#endif
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