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diff --git a/include/connectivity/ConnectionWrapper.hxx b/include/connectivity/ConnectionWrapper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_CONNECTIVITY_CONNECTIONWRAPPER_HXX
+#define INCLUDED_CONNECTIVITY_CONNECTIONWRAPPER_HXX
+
+#include <cppuhelper/implbase2.hxx>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XUnoTunnel.hpp>
+#include <connectivity/CommonTools.hxx>
+#include <connectivity/dbtoolsdllapi.hxx>
+
+namespace com::sun::star::beans { struct PropertyValue; }
+namespace com::sun::star::sdbc { class XConnection; }
+namespace com::sun::star::uno { class XComponentContext; }
+
+namespace connectivity
+{
+
+
+    //= OConnectionWrapper - wraps all methods to the real connection from the driver
+    //= but when disposed it doesn't dispose the real connection
+
+    typedef ::cppu::ImplHelper2<        css::lang::XServiceInfo,
+                                        css::lang::XUnoTunnel
+                                > OConnection_BASE;
+
+    class OOO_DLLPUBLIC_DBTOOLS OConnectionWrapper :     public OConnection_BASE
+    {
+    protected:
+        css::uno::Reference< css::uno::XAggregation >   m_xProxyConnection;
+        css::uno::Reference< css::sdbc::XConnection >   m_xConnection;
+        css::uno::Reference< css::lang::XTypeProvider > m_xTypeProvider;
+        css::uno::Reference< css::lang::XUnoTunnel >    m_xUnoTunnel;
+        css::uno::Reference< css::lang::XServiceInfo >  m_xServiceInfo;
+
+        virtual ~OConnectionWrapper();
+        void setDelegation(css::uno::Reference< css::uno::XAggregation >& _rxProxyConnection,oslInterlockedCount& _rRefCount);
+        void setDelegation(const css::uno::Reference< css::sdbc::XConnection >& _xConnection
+            ,const css::uno::Reference< css::uno::XComponentContext>& _rxContext
+            ,oslInterlockedCount& _rRefCount);
+        // must be called from derived classes
+        void disposing();
+    public:
+        OConnectionWrapper( );
+
+        // XServiceInfo
+        DECLARE_SERVICE_INFO();
+        virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& _rType ) override;
+        virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;
+
+        // css::lang::XUnoTunnel
+        virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
+        static css::uno::Sequence< sal_Int8 > getUnoTunnelId();
+        /** method to create unique ids
+            @param  _rURL
+                The URL.
+            @param  _rInfo
+                The info property of the datasource. It will be resorted if needed.
+            @param  _pBuffer
+                Here we store the digest. Must not NULL.
+            @param  _rUserName
+                The user name.
+            @param  _rPassword
+                The password.
+        */
+        static void createUniqueId( const OUString& _rURL
+                    ,css::uno::Sequence< css::beans::PropertyValue >& _rInfo
+                    ,sal_uInt8* _pBuffer
+                    ,const OUString& _rUserName = OUString()
+                    ,const OUString& _rPassword = OUString());
+    };
+}
+#endif // INCLUDED_CONNECTIVITY_CONNECTIONWRAPPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */