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#ifndef _broker_FifoDistributor_h
#define _broker_FifoDistributor_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.
*
*/
/** Simple MessageDistributor for FIFO Queues - the HEAD message is always the next
* available message for consumption.
*/
#include "qpid/broker/MessageDistributor.h"
namespace qpid {
namespace broker {
class Messages;
class FifoDistributor : public MessageDistributor
{
public:
FifoDistributor(Messages& container);
/** Locking Note: all methods assume the caller is holding the Queue::messageLock
* during the method call.
*/
/** MessageDistributor interface */
bool nextConsumableMessage( Consumer::shared_ptr& consumer, QueuedMessage& next );
bool allocate(const std::string& consumer, const QueuedMessage& target);
bool nextBrowsableMessage( Consumer::shared_ptr& consumer, QueuedMessage& next );
void query(qpid::types::Variant::Map&) const;
private:
Messages& messages;
};
}}
#endif
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