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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: GlobalRef.hxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef CONNECTIVITY_GLOBALREF_HXX
#define CONNECTIVITY_GLOBALREF_HXX
#include "java/LocalRef.hxx"
#include "java/lang/Object.hxx"
/** === begin UNO includes === **/
/** === end UNO includes === **/
#include <jvmaccess/virtualmachine.hxx>
//........................................................................
namespace connectivity { namespace jdbc
{
//........................................................................
//====================================================================
//= GlobalRef
//====================================================================
/** helper class to hold a local ref to a JNI object
*/
template< typename T >
class GlobalRef
{
public:
GlobalRef()
:m_object( NULL )
{
}
GlobalRef( const GlobalRef& _source )
:m_object( NULL )
{
*this = _source;
}
GlobalRef& operator=( const GlobalRef& _source )
{
if ( &_source == this )
return *this;
SDBThreadAttach t;
set( t.env(), _source.get() );
return *this;
}
~GlobalRef()
{
reset();
}
void reset()
{
if ( m_object != NULL )
{
SDBThreadAttach t;
t.env().DeleteGlobalRef( m_object );
m_object = NULL;
}
}
void set( JNIEnv& _environment, T _object )
{
if ( m_object != NULL )
_environment.DeleteGlobalRef( m_object );
m_object = _object;
if ( m_object )
m_object = static_cast< T >( _environment.NewGlobalRef( m_object ) );
}
void set( LocalRef< T >& _object )
{
set( _object.env(), _object.release() );
}
T get() const
{
return m_object;
}
bool is() const
{
return m_object != NULL;
}
private:
T m_object;
};
//........................................................................
} } // namespace connectivity::jdbc
//........................................................................
#endif // CONNECTIVITY_GLOBALREF_HXX
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