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diff --git a/cpp/src/qpid/ha/Role.h b/cpp/src/qpid/ha/Role.h
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+++ b/cpp/src/qpid/ha/Role.h
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+#ifndef QPID_HA_ROLE_H
+#define QPID_HA_ROLE_H
+
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <string>
+
+namespace qpid {
+struct Url;
+
+namespace ha {
+
+/**
+ * A HaBroker has a role, e.g. Primary, Backup, StandAlone.
+ * Role subclasses define the actions of the broker in each role.
+ * The Role interface allows the HaBroker to pass management actions
+ * to be implemented by the role.
+ */
+class Role
+{
+  public:
+    /** Log prefix appropriate to the role */
+    virtual std::string getLogPrefix() const = 0;
+
+    /** QMF promote method handler.
+     * @return The new role if promoted, 0 if not. Caller takes ownership.
+     */
+    virtual Role* promote() = 0;
+
+    virtual void setBrokerUrl(const Url& url) = 0;
+
+  private:
+};
+}} // namespace qpid::ha
+
+#endif  /*!QPID_HA_ROLE_H*/