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

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00001 #ifndef _AMQMethodBody_
00002 #define _AMQMethodBody_
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 #include "amqp_types.h"
00025 #include "AMQBody.h"
00026 #include "qpid/framing/ProtocolVersion.h"
00027 #include "qpid/shared_ptr.h"
00028 
00029 #include <ostream>
00030 
00031 #include <assert.h>
00032 
00033 namespace qpid {
00034 namespace framing {
00035 
00036 class Buffer;
00037 class AMQP_ServerOperations;
00038 class MethodBodyConstVisitor;
00039 
00040 class AMQMethodBody : public AMQBody {
00041   public:
00042     AMQMethodBody() {}
00043     virtual ~AMQMethodBody();
00044 
00045     virtual void accept(MethodBodyConstVisitor&) const = 0;
00046     
00047     virtual MethodId amqpMethodId() const = 0;
00048     virtual ClassId  amqpClassId() const = 0;
00049     virtual bool isContentBearing() const = 0;
00050     virtual bool resultExpected() const = 0;    
00051     virtual bool responseExpected() const = 0;    
00052 
00053     template <class T> bool isA() const {
00054         return amqpClassId()==T::CLASS_ID && amqpMethodId()==T::METHOD_ID;
00055     }
00056 
00057     virtual uint32_t encodedSize() const = 0;
00058     virtual uint8_t type() const { return METHOD_BODY; }
00059 
00060     virtual bool isSync() const { return false; /*only ModelMethods can have the sync flag set*/ }
00061     virtual void setSync(bool) const { /*only ModelMethods can have the sync flag set*/ }
00062 
00063     AMQMethodBody* getMethod() { return this; }
00064     const AMQMethodBody* getMethod() const { return this; }
00065     void accept(AMQBodyConstVisitor& v) const { v.visit(*this); }
00066 };
00067 
00068 
00069 }} // namespace qpid::framing
00070 
00071 
00072 #endif

Qpid C++ API Reference
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