| #ifndef QPID_BROKER_MESSAGEDEQUE_H |
| #define QPID_BROKER_MESSAGEDEQUE_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/Messages.h" |
| #include "qpid/broker/QueuedMessage.h" |
| #include <deque> |
| |
| namespace qpid { |
| namespace broker { |
| |
| /** |
| * Provides the standard FIFO queue behaviour. |
| */ |
| class MessageDeque : public Messages |
| { |
| public: |
| MessageDeque(); |
| size_t size(); |
| bool deleted(const QueuedMessage&); |
| void release(const QueuedMessage&); |
| bool acquire(const framing::SequenceNumber&, QueuedMessage&); |
| bool find(const framing::SequenceNumber&, QueuedMessage&); |
| bool browse(const framing::SequenceNumber&, QueuedMessage&, bool); |
| bool consume(QueuedMessage&); |
| bool push(const QueuedMessage& added, QueuedMessage& removed); |
| |
| void foreach(Functor); |
| void removeIf(Predicate); |
| |
| private: |
| typedef std::deque<QueuedMessage> Deque; |
| Deque messages; |
| size_t available; |
| size_t head; |
| |
| size_t index(const framing::SequenceNumber&); |
| void clean(); |
| }; |
| }} // namespace qpid::broker |
| |
| #endif /*!QPID_BROKER_MESSAGEDEQUE_H*/ |