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#ifndef _broker_MessageDistributor_h
#define _broker_MessageDistributor_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/types/Variant.h"
/** Abstraction used by Queue to determine the next "most desirable" message to provide to
* a particular consuming client
*/
namespace qpid {
namespace broker {
class Message;
class MessageDistributor
{
public:
virtual ~MessageDistributor() {};
/**
* Determine whether the named consumer can take ownership of the specified message.
* @param consumer the name of the consumer that is attempting to acquire the message
* @param target the message to be acquired
* @return true if ownership is permitted, false if ownership cannot be assigned.
*/
virtual bool acquire(const std::string& consumer, Message& target) = 0;
/** hook to add any interesting management state to the status map */
virtual void query(qpid::types::Variant::Map&) const = 0;
};
}}
#endif
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