library/cpp/messagebus/message_ptr_and_header.h


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#pragma once

#include "message.h"
#include "nondestroying_holder.h"

#include <util/generic/noncopyable.h>
#include <util/generic/utility.h>

namespace NBus { 
    namespace NPrivate { 
        struct TBusMessagePtrAndHeader : TNonCopyable { 
            TNonDestroyingHolder<TBusMessage> MessagePtr; 
            TBusHeader Header; 
            ui32 LocalFlags; 

            TBusMessagePtrAndHeader() 
                : LocalFlags() 
            { 
            } 

            explicit TBusMessagePtrAndHeader(TBusMessage* messagePtr)
                : MessagePtr(messagePtr)
                , Header(*MessagePtr->GetHeader()) 
                , LocalFlags(MessagePtr->LocalFlags) 
            { 
            } 

            void Swap(TBusMessagePtrAndHeader& that) { 
                DoSwap(MessagePtr, that.MessagePtr); 
                DoSwap(Header, that.Header); 
                DoSwap(LocalFlags, that.LocalFlags); 
            } 
        }; 

    } 
}