ac9212feed
Conflicts: connectivity/source/inc/odbc/OConnection.hxx Change-Id: I5ca98359e18cf1b27bf53037dde211774d798626 Reviewed-on: https://gerrit.libreoffice.org/8245 Tested-by: Caolán McNamara <caolanm@redhat.com> Reviewed-by: Caolán McNamara <caolanm@redhat.com>
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef CONNECTIVITY_LOCALREF_HXX
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#define CONNECTIVITY_LOCALREF_HXX
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#include <jvmaccess/virtualmachine.hxx>
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namespace connectivity { namespace jdbc
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{
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//= LocalRef
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/** helper class to hold a local ref to a JNI object
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Note that this class never actually calls NewLocalRef. It is assumed that all objects
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passed are already acquired with a local ref (as it usually is the case if you obtain
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the object from an JNI method).
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*/
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template< typename T >
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class LocalRef
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{
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public:
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explicit LocalRef( JNIEnv& environment )
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:m_environment( environment )
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,m_object( NULL )
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{
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}
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LocalRef( JNIEnv& environment, T object )
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:m_environment( environment )
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,m_object( object )
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{
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}
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~LocalRef()
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{
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reset();
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}
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T release()
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{
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T t = m_object;
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m_object = NULL;
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return t;
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}
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void set( T object ) { reset(); m_object = object; }
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void reset()
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{
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if ( m_object != NULL )
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{
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m_environment.DeleteLocalRef( m_object );
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m_object = NULL;
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}
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}
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JNIEnv& env() const { return m_environment; }
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T get() const { return m_object; }
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bool is() const { return m_object != NULL; }
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private:
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LocalRef(LocalRef &); // not defined
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void operator =(LocalRef &); // not defined
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protected:
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JNIEnv& m_environment;
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T m_object;
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};
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} } // namespace connectivity::jdbc
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#endif // CONNECTIVITY_LOCALREF_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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