/usr/share/cruisecontrol-bin-2.6.1/projects/qpid-trunk/cpp/src/qpid/broker/MessageBuilder.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 _MessageBuilder_
00022 #define _MessageBuilder_
00023 
00024 #include "qpid/framing/FrameHandler.h"
00025 #include "qpid/framing/SequenceNumber.h"
00026 #include "qpid/RefCounted.h"
00027 
00028 #include <boost/intrusive_ptr.hpp>
00029 
00030 namespace qpid {
00031     namespace broker {
00032         class Message;
00033         class MessageStore;
00034 
00035         class MessageBuilder : public framing::FrameHandler{
00036         public:
00037             MessageBuilder(MessageStore* const store, uint64_t stagingThreshold);
00038             void handle(framing::AMQFrame& frame);
00039             boost::intrusive_ptr<Message> getMessage() { return message; }
00040             void start(const framing::SequenceNumber& id);
00041             void end();
00042         private:
00043             enum State {DORMANT, METHOD, HEADER, CONTENT};
00044             State state;
00045             boost::intrusive_ptr<Message> message;
00046             MessageStore* const store;
00047             const uint64_t stagingThreshold;
00048             bool staging;
00049 
00050             void checkType(uint8_t expected, uint8_t actual);
00051         };
00052     }
00053 }
00054 
00055 
00056 #endif
00057 

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