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#ifndef QPID_FRAMING_AMQBODY_H
#define QPID_FRAMING_AMQBODY_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/framing/amqp_types.h"
#include "qpid/RefCounted.h"
#include "qpid/framing/BodyFactory.h"
#include <boost/intrusive_ptr.hpp>
#include <ostream>
#include "qpid/CommonImportExport.h"
namespace qpid {
namespace framing {
class Buffer;
class AMQMethodBody;
class AMQHeaderBody;
class AMQContentBody;
class AMQHeartbeatBody;
struct AMQBodyConstVisitor {
virtual ~AMQBodyConstVisitor() {}
virtual void visit(const AMQHeaderBody&) = 0;
virtual void visit(const AMQContentBody&) = 0;
virtual void visit(const AMQHeartbeatBody&) = 0;
virtual void visit(const AMQMethodBody&) = 0;
};
class QPID_COMMON_CLASS_EXTERN AMQBody : public RefCounted {
public:
AMQBody() {}
QPID_COMMON_EXTERN virtual ~AMQBody();
// Make AMQBody copyable even though RefCounted.
AMQBody(const AMQBody&) : RefCounted() {}
AMQBody& operator=(const AMQBody&) { return *this; }
virtual uint8_t type() const = 0;
virtual void encode(Buffer& buffer) const = 0;
virtual void decode(Buffer& buffer, uint32_t=0) = 0;
virtual uint32_t encodedSize() const = 0;
virtual void print(std::ostream& out) const = 0;
virtual void accept(AMQBodyConstVisitor&) const = 0;
virtual AMQMethodBody* getMethod() { return 0; }
virtual const AMQMethodBody* getMethod() const { return 0; }
/** Match if same type and same class/method ID for methods */
static bool match(const AMQBody& , const AMQBody& );
virtual boost::intrusive_ptr<AMQBody> clone() const = 0;
};
QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream& out, const AMQBody& body) ;
enum BodyTypes {
METHOD_BODY = 1,
HEADER_BODY = 2,
CONTENT_BODY = 3,
HEARTBEAT_BODY = 8
};
}} // namespace qpid::framing
#endif /*!QPID_FRAMING_AMQBODY_H*/
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