/home/aconway/svn/qpid/cpp/src/qpid/broker/MessageStore.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 _MessageStore_
00022 #define _MessageStore_
00023 
00024 #include "PersistableExchange.h"
00025 #include "PersistableMessage.h"
00026 #include "PersistableQueue.h"
00027 #include "RecoveryManager.h"
00028 #include "TransactionalStore.h"
00029 
00030 namespace qpid {
00031 namespace broker {
00032 
00038 class MessageStore : public TransactionalStore{
00039 public:
00043     virtual void create(const PersistableQueue& queue) = 0;
00047     virtual void destroy(const PersistableQueue& queue) = 0;
00048     
00052     virtual void create(const PersistableExchange& exchange) = 0;
00056     virtual void destroy(const PersistableExchange& exchange) = 0;
00057     
00061     virtual void recover(RecoveryManager& queues) = 0;
00062     
00072     virtual void stage(PersistableMessage& msg) = 0;
00073             
00080     virtual void destroy(PersistableMessage& msg) = 0;
00081 
00085     virtual void appendContent(PersistableMessage& msg, const std::string& data) = 0;
00086     
00095     virtual void loadContent(PersistableMessage& msg, std::string& data, uint64_t offset, uint32_t length) = 0;
00096     
00108     virtual void enqueue(TransactionContext* ctxt, PersistableMessage& msg, const PersistableQueue& queue) = 0;
00120     virtual void dequeue(TransactionContext* ctxt, PersistableMessage& msg, const PersistableQueue& queue) = 0;
00121     
00122     virtual ~MessageStore(){}
00123 };
00124 
00125 }
00126 }
00127 
00128 
00129 #endif

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