Apache Qpid C++ API
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qpid/framing/AMQCommandControlBody.h

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00001 #ifndef QPID_FRAMING_AMQCOMMANDCONTROLBODY_H
00002 #define QPID_FRAMING_AMQCOMMANDCONTROLBODY_H
00003 
00004 /*
00005  *
00006  * Licensed to the Apache Software Foundation (ASF) under one
00007  * or more contributor license agreements.  See the NOTICE file
00008  * distributed with this work for additional information
00009  * regarding copyright ownership.  The ASF licenses this file
00010  * to you under the Apache License, Version 2.0 (the
00011  * "License"); you may not use this file except in compliance
00012  * with the License.  You may obtain a copy of the License at
00013  * 
00014  *   http://www.apache.org/licenses/LICENSE-2.0
00015  * 
00016  * Unless required by applicable law or agreed to in writing,
00017  * software distributed under the License is distributed on an
00018  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
00019  * KIND, either express or implied.  See the License for the
00020  * specific language governing permissions and limitations
00021  * under the License.
00022  *
00023  */
00024 
00025 #include "qpid/amqp_0_10/helpers.h"
00026 #include "qpid/framing/AMQBody.h"
00027 
00028 namespace qpid {
00029 namespace framing {
00030 
00035 template <class T> class AMQCommandControlBody : public AMQBody, public T
00036 {
00037   public:
00038     virtual uint8_t type() const { return 100+T::SEGMENT_TYPE; }
00039 
00040     virtual void encode(Buffer& buffer) const {
00041         Codec::encode(buffer.getIterator(), static_cast<const T&>(*this));
00042     }
00043     virtual void decode(Buffer& buffer, uint32_t=0) {
00044         Codec::decode(buffer.getIterator(), static_cast<T&>(*this));
00045     }
00046     virtual uint32_t encodedSize() const {
00047         Codec::size(buffer.getIterator(), static_cast<const T&>(*this));
00048     }
00049 
00050     virtual void print(std::ostream& out) const {
00051         out << static_cast<const T&>(*this) << endl;
00052     }
00053     virtual void AMQBody::accept(AMQBodyConstVisitor&) const { assert(0); }
00054 };
00055 
00056 class CommandBody : public AMQCommandControlBody<amqp_0_10::Command> {
00057     using Command::accept;      // Hide AMQBody::accept
00058     virtual Command* getCommand() { return this; }
00059     virtual const Command* getCommand() const { return this; }
00060 };
00061 
00062 class ControlBody : public AMQCommandControlBody<amqp_0_10::Control> {
00063     using Control::accept;      // Hide AMQBody::accept
00064     virtual Control* getControl() { return this; }
00065     virtual const Control* getControl() const { return this; }
00066 };
00067 
00068 }} // namespace qpid::framing
00069 
00070 #endif  

Qpid C++ API Reference
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