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#ifndef _framing_MethodContext_h
#define _framing_MethodContext_h
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed 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 <boost/shared_ptr.hpp>
#include "OutputHandler.h"
#include "ProtocolVersion.h"
namespace qpid {
namespace framing {
class BodyHandler;
class AMQMethodBody;
class ChannelAdapter;
/**
* Invocation context for an AMQP method.
*
* It provides the method being processed and the channel on which
* it arrived.
*
* All Handler functions take a MethodContext as the last parameter.
*/
struct MethodContext
{
typedef boost::shared_ptr<AMQMethodBody> BodyPtr;
MethodContext(ChannelAdapter* ch=0, BodyPtr method=BodyPtr())
: channel(ch), methodBody(method) {}
/**
* Channel on which the method being processed arrived.
* 0 if the method was constructed by the caller
* rather than received from a channel.
*/
ChannelAdapter* channel;
/**
* Body of the method being processed.
* It's useful for passing around instead of unpacking all its parameters.
* It's also provides the request ID when constructing a response.
*/
BodyPtr methodBody;
/**
* Return methodBody's request ID.
* It is an error to call this if methodBody is not a request.
*/
RequestId getRequestId() const;
};
// FIXME aconway 2007-02-01: Method context only required on Handler
// functions, not on Proxy functions. If we add set/getChannel(ChannelAdapter*)
// on AMQBody and set it during decodeing then we could get rid of the context.
}} // namespace qpid::framing
#endif /*!_framing_MethodContext_h*/
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