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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 __com_sun_star_rdf_XMetadatable_idl__
+#define __com_sun_star_rdf_XMetadatable_idl__
+
+#include <com/sun/star/lang/IllegalArgumentException.idl>
+#include <com/sun/star/beans/StringPair.idl>
+#include <com/sun/star/rdf/XURI.idl>
+
+
+
+module com {   module sun {   module star {   module rdf {
+
+/** marks an object representing an ODF element that may have RDF meta data
+    attached.
+
+    <p>
+    To make using ODF elements as part of RDF statements more convenient,
+    this interface inherits from XURI.
+    The URI is constructed by concatenating the URI of the document, the
+    stream name, a fragment separator, and the XML ID.
+    </p>
+
+    <p>
+    Note that using the XURI interface on an instance of
+    XMetadatable may have the side effect of creating a metadata
+    reference for the instance.
+    </p>
+
+    @since OOo 3.2
+
+    @see XRepository
+    @see XDocumentMetadataAccess
+ */
+interface XMetadatable : XURI
+{
+    /** a metadata reference, comprising the stream name and the XML ID.
+
+        <p>
+        Note that this metadata reference must be unique for the ODF document.
+        This implies that the XML ID part must be unique for every stream.
+        A pair of two empty strings signifies "no metadata reference".
+        For example: Pair("content.xml", "foo-element-1")
+        </p>
+
+        @throws com::sun::star::lang::IllegalArgumentException
+            if the given metadata reference is invalid, or not unique
+     */
+    [attribute] com::sun::star::beans::StringPair MetadataReference {
+        set raises ( com::sun::star::lang::IllegalArgumentException );
+    };
+
+    /** creates a metadata reference for this object, if necessary.
+
+        <p>
+        If this object already has a metadata reference, do nothing;
+        otherwise, create metadata reference with a fresh, unique XML ID
+        and assign it to the MetadataReference attribute.
+        </p>
+     */
+    void ensureMetadataReference();
+
+};
+
+
+}; }; }; };
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */