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#ifndef QPID_BROKER_MESSAGEINTERCEPTOR_H
#define QPID_BROKER_MESSAGEINTERCEPTOR_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 "Observers.h"
namespace qpid {
namespace broker {
class Message;
/**
* Interface for classes that want to modify a message as it is processed by the queue.
*/
class MessageInterceptor
{
public:
virtual ~MessageInterceptor() {}
/** Modify a message before it is recorded in durable store */
virtual void record(Message&) {}
/** Modify a message as it is being published onto the queue. */
virtual void publish(Message&) {}
};
class MessageInterceptors : public Observers<MessageInterceptor> {
public:
void record(Message& m) {
each(boost::bind(&MessageInterceptor::record, _1, boost::ref(m)));
}
void publish(Message& m) {
each(boost::bind(&MessageInterceptor::publish, _1, boost::ref(m)));
}
};
}} // namespace qpid::broker
#endif /*!QPID_BROKER_MESSAGEINTERCEPTOR_H*/
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