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#ifndef QPID_BROKER_LVQ_H
#define QPID_BROKER_LVQ_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/Queue.h"
namespace qpid {
namespace broker {
class MessageMap;
/**
* Subclass of queue that handles last-value-queue semantics in
* conjunction with the MessageMap class. This requires an existing
* message to be 'replaced' by a newer message with the same key.
*/
class Lvq : public virtual Queue
{
public:
Lvq(const std::string&, std::auto_ptr<MessageMap>, const QueueSettings&, MessageStore* const, management::Manageable*, Broker*);
void push(Message& msg, bool isRecovery=false);
private:
MessageMap& messageMap;
};
}} // namespace qpid::broker
#endif /*!QPID_BROKER_LVQ_H*/
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