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diff --git a/cpp/src/qpid/broker/Cluster.h b/cpp/src/qpid/broker/Cluster.h
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-#ifndef QPID_BROKER_CLUSTER_H
-#define QPID_BROKER_CLUSTER_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 <boost/intrusive_ptr.hpp>
-
-namespace qpid {
-
-namespace framing {
-class FieldTable;
-}
-
-namespace broker {
-
-class Message;
-struct QueuedMessage;
-class Queue;
-class Exchange;
-
-/**
- * NOTE: this is part of an experimental cluster implementation that is not
- * yet fully functional. The original cluster implementation remains in place.
- * See ../cluster/new-cluster-design.txt
- *
- * Interface for cluster implementations. Functions on this interface are
- * called at relevant points in the Broker's processing.
- */
-class Cluster
-{
- public:
- virtual ~Cluster() {}
-
- // Messages
-
- /** In Exchange::route, before the message is enqueued. */
- virtual void routing(const boost::intrusive_ptr<Message>&) = 0;
-
- /** A message is delivered to a queue.
- * Called before actually pushing the message to the queue.
- *@return If true the message should be pushed to the queue now.
- * otherwise the cluster code will push the message when it is replicated.
- */
- virtual bool enqueue(Queue& queue, const boost::intrusive_ptr<Message>&) = 0;
-
- /** In Exchange::route, after all enqueues for the message. */
- virtual void routed(const boost::intrusive_ptr<Message>&) = 0;
-
- /** A message is acquired by a local consumer, it is unavailable to replicas. */
- virtual void acquire(const QueuedMessage&) = 0;
- /** A locally-acquired message is accepted, it is removed from all replicas. */
- virtual void accept(const QueuedMessage&) = 0;
-
- /** A locally-acquired message is rejected, and may be re-routed. */
- virtual void reject(const QueuedMessage&) = 0;
- /** Re-routing (if any) is complete for a rejected message. */
- virtual void rejected(const QueuedMessage&) = 0;
-
- /** A locally-acquired message is released by the consumer and re-queued. */
- virtual void release(const QueuedMessage&) = 0;
-
- /** A message is removed from the queue. It could have been
- * accepted, rejected or dropped for other reasons e.g. expired or
- * replaced on an LVQ.
- */
- virtual void drop(const QueuedMessage&) = 0;
-
- // Consumers
-
- /** A new consumer subscribes to a queue. */
- virtual void consume(const Queue&, size_t consumerCount) = 0;
- /** A consumer cancels its subscription to a queue */
- virtual void cancel(const Queue&, size_t consumerCount) = 0;
-
- // Wiring
-
- /** A queue is created */
- virtual void create(const Queue&) = 0;
- /** A queue is destroyed */
- virtual void destroy(const Queue&) = 0;
- /** An exchange is created */
- virtual void create(const Exchange&) = 0;
- /** An exchange is destroyed */
- virtual void destroy(const Exchange&) = 0;
- /** A binding is created */
- virtual void bind(const Queue&, const Exchange&, const std::string& key, const framing::FieldTable& args) = 0;
-};
-
-}} // namespace qpid::broker
-
-#endif /*!QPID_BROKER_CLUSTER_H*/