/home/aconway/svn/qpid/cpp/src/qpid/broker/DeliveryRecord.h

00001 /*
00002  *
00003  * Licensed to the Apache Software Foundation (ASF) under one
00004  * or more contributor license agreements.  See the NOTICE file
00005  * distributed with this work for additional information
00006  * regarding copyright ownership.  The ASF licenses this file
00007  * to you under the Apache License, Version 2.0 (the
00008  * "License"); you may not use this file except in compliance
00009  * with the License.  You may obtain a copy of the License at
00010  * 
00011  *   http://www.apache.org/licenses/LICENSE-2.0
00012  * 
00013  * Unless required by applicable law or agreed to in writing,
00014  * software distributed under the License is distributed on an
00015  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00016  * KIND, either express or implied.  See the License for the
00017  * specific language governing permissions and limitations
00018  * under the License.
00019  *
00020  */
00021 #ifndef _DeliveryRecord_
00022 #define _DeliveryRecord_
00023 
00024 #include <algorithm>
00025 #include <list>
00026 #include "AccumulatedAck.h"
00027 #include "BrokerMessage.h"
00028 #include "Prefetch.h"
00029 #include "BrokerQueue.h"
00030 
00031 namespace qpid {
00032     namespace broker {
00033         class Channel;
00034 
00038         class DeliveryRecord{
00039             mutable Message::shared_ptr msg;
00040             mutable Queue::shared_ptr queue;
00041             std::string consumerTag;
00042             uint64_t deliveryTag;
00043             bool pull;
00044 
00045         public:
00046             DeliveryRecord(Message::shared_ptr msg, Queue::shared_ptr queue, const std::string consumerTag, const uint64_t deliveryTag);
00047             DeliveryRecord(Message::shared_ptr msg, Queue::shared_ptr queue, const uint64_t deliveryTag);
00048             
00049             void discard(TransactionContext* ctxt = 0) const;
00050             bool matches(uint64_t tag) const;
00051             bool coveredBy(const AccumulatedAck* const range) const;
00052             void requeue() const;
00053             void redeliver(Channel* const) const;
00054             void addTo(Prefetch* const prefetch) const;
00055             void subtractFrom(Prefetch* const prefetch) const;
00056         };
00057 
00058         typedef std::list<DeliveryRecord>::iterator ack_iterator; 
00059     }
00060 }
00061 
00062 
00063 #endif

Generated on Tue Apr 17 14:22:03 2007 for Qpid by  doxygen 1.4.7