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diff --git a/qpid/cpp/src/qpid/ha/BrokerReplicator.h b/qpid/cpp/src/qpid/ha/BrokerReplicator.h
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+++ b/qpid/cpp/src/qpid/ha/BrokerReplicator.h
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+#ifndef QPID_HA_REPLICATOR_H
+#define QPID_HA_REPLICATOR_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 "qpid/broker/Exchange.h"
+#include "qpid/types/Variant.h"
+#include <boost/shared_ptr.hpp>
+
+namespace qpid {
+
+namespace broker {
+class Broker;
+class Link;
+class Bridge;
+class SessionHandler;
+}
+
+namespace ha {
+
+/**
+ * Replicate configuration on a backup broker.
+ *
+ * Implemented as an exchange that subscribes to receive QMF
+ * configuration events from the primary. It configures local queues
+ * exchanges and bindings to replicate the primary.
+ * It also creates QueueReplicators for newly replicated queues.
+ *
+ * THREAD SAFE: Has no mutable state.
+ *
+ */
+class BrokerReplicator : public broker::Exchange
+{
+  public:
+    BrokerReplicator(const boost::shared_ptr<broker::Link>&);
+    ~BrokerReplicator();
+    std::string getType() const;
+
+    // Exchange methods
+    bool bind(boost::shared_ptr<broker::Queue>, const std::string&, const framing::FieldTable*);
+    bool unbind(boost::shared_ptr<broker::Queue>, const std::string&, const framing::FieldTable*);
+    void route(broker::Deliverable&, const std::string&, const framing::FieldTable*);
+    bool isBound(boost::shared_ptr<broker::Queue>, const std::string* const, const framing::FieldTable* const);
+
+  private:
+    void initializeBridge(broker::Bridge&, broker::SessionHandler&);
+
+    void doEventQueueDeclare(types::Variant::Map& values);
+    void doEventQueueDelete(types::Variant::Map& values);
+    void doEventExchangeDeclare(types::Variant::Map& values);
+    void doEventExchangeDelete(types::Variant::Map& values);
+    void doEventBind(types::Variant::Map&);
+    void doEventUnbind(types::Variant::Map&);
+
+    void doResponseQueue(types::Variant::Map& values);
+    void doResponseExchange(types::Variant::Map& values);
+    void doResponseBind(types::Variant::Map& values);
+
+    void startQueueReplicator(const boost::shared_ptr<broker::Queue>&);
+
+    broker::Broker& broker;
+    boost::shared_ptr<broker::Link> link;
+};
+}} // namespace qpid::broker
+
+#endif  /*!QPID_HA_REPLICATOR_H*/