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diff --git a/dbaccess/source/ui/inc/ConnectionLineData.hxx b/dbaccess/source/ui/inc/ConnectionLineData.hxx
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+++ b/dbaccess/source/ui/inc/ConnectionLineData.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 .
+ */
+#pragma once
+
+#include "QEnumTypes.hxx"
+#include <vector>
+
+#include <rtl/ref.hxx>
+#include <salhelper/simplereferenceobject.hxx>
+#include <rtl/ustring.hxx>
+
+namespace dbaui
+{
+
+    // ConnData     ---------->*    ConnLineData
+    //    ^1                            ^1
+    //    |                             |
+    //  Conn        ---------->*    ConnLine
+
+    /**
+        the class OConnectionLineData contains the data of a connection
+        e.g. the source and the destination field
+    **/
+    class OConnectionLineData : public ::salhelper::SimpleReferenceObject
+    {
+        OUString m_aSourceFieldName;
+        OUString m_aDestFieldName;
+
+        friend bool operator==(const OConnectionLineData& lhs, const OConnectionLineData& rhs);
+        friend bool operator!=(const OConnectionLineData& lhs, const OConnectionLineData& rhs) { return !(lhs == rhs); }
+    protected:
+        virtual ~OConnectionLineData() override;
+    public:
+        OConnectionLineData();
+        OConnectionLineData( const OUString& rSourceFieldName, const OUString& rDestFieldName );
+        OConnectionLineData( const OConnectionLineData& rConnLineData );
+        // provide a copy of own instance (this is somehow more acceptable for me compared to a virtual assignment operator
+        void CopyFrom(const OConnectionLineData& rSource);
+
+        // member access (write)
+        void SetFieldName(EConnectionSide nWhich, const OUString& strFieldName)
+        {
+            if (nWhich==JTCS_FROM)
+                m_aSourceFieldName = strFieldName;
+            else
+                m_aDestFieldName = strFieldName;
+        }
+        void SetSourceFieldName( const OUString& rSourceFieldName){ SetFieldName(JTCS_FROM, rSourceFieldName); }
+        void SetDestFieldName( const OUString& rDestFieldName ){ SetFieldName(JTCS_TO, rDestFieldName); }
+
+        // member access (read)
+        const OUString& GetFieldName(EConnectionSide nWhich) const { return (nWhich == JTCS_FROM) ? m_aSourceFieldName : m_aDestFieldName; }
+        OUString const & GetSourceFieldName() const { return GetFieldName(JTCS_FROM); }
+        OUString const & GetDestFieldName() const { return GetFieldName(JTCS_TO); }
+
+        void Reset();
+        OConnectionLineData& operator=( const OConnectionLineData& rConnLineData );
+    };
+
+    typedef ::rtl::Reference< OConnectionLineData >     OConnectionLineDataRef;
+    typedef std::vector< OConnectionLineDataRef > OConnectionLineDataVec;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */