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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */