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diff --git a/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangedDataObjectList.h b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangedDataObjectList.h
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+++ b/sdo-cpp/branches/sdo-cpp-pre2.1/runtime/core/src/commonj/sdo/ChangedDataObjectList.h
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+/*
+ * 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
+ *   
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* $Rev$ $Date$ */
+
+#ifndef _CHANGEDDATAOBJECTLIST_H_
+#define _CHANGEDDATAOBJECTLIST_H_
+
+
+#include "commonj/sdo/RefCountingPointer.h"
+
+#include <vector>
+
+/**
+ * namespace commonj is the root namespace for SDO
+ */
+
+namespace commonj{
+
+/**
+ * sdo is the namespace holding the SDO core
+ */
+
+namespace sdo{
+
+class DataObject;
+
+/** 
+ * 
+ * A list for holding a record of changes which have happened 
+ * during logging in a change summary.
+ */
+
+class ChangedDataObjectList
+{
+
+public:
+
+/** \enum ChangeType
+ * 
+ * An enum for create, change or delete types in a change record
+ */
+    enum ChangeType
+    {
+        Undefined,
+        Create,
+        Change,
+        Delete
+    };
+
+/**  [] is the index operator.
+ * 
+ * Gets the nth element of a list
+ */
+    virtual SDO_API DataObjectPtr operator[] (unsigned int pos) = 0;
+    virtual SDO_API const DataObjectPtr operator[] (unsigned int pos) const = 0;
+
+/**  size() returns the number of list elements.
+ * 
+ * Returns the number of list elements
+ */
+
+    virtual SDO_API unsigned int size () const = 0;
+
+/**  getType() returns the type of a list element.
+ * 
+ * The type of change is one of the enum ChangeType, being a 
+ * creation, a deletion or an update.
+ */
+
+    virtual SDO_API ChangeType getType(unsigned int index) = 0;
+
+};
+};
+};
+#endif
+