it_bus/binary_buffer_nillable.h

#ifndef _IT_BUS_BINARY_BUFFER_NILLABLE_H_
#define _IT_BUS_BINARY_BUFFER_NILLABLE_H_

// @Copyright 2003 IONA Technologies, Plc. All Rights Reserved.
//

#include <it_bus/binary_buffer.h>
#include <it_bus/api_defines.h>
#include <it_bus/no_data_exception.h>

namespace IT_Bus
{
    class IT_BUS_API BinaryBufferNillable 
    {
      public:
        BinaryBufferNillable();

        BinaryBufferNillable(
            const BinaryBufferNillable& other
        );

        BinaryBufferNillable(
            const BinaryBuffer& other
        );

        virtual ~BinaryBufferNillable();

        BinaryBufferNillable&
        operator=(
            const BinaryBufferNillable& other
        );

        virtual Boolean
        is_nil() const;

        virtual void
        set_nil();

        virtual const IT_Bus::BinaryBuffer&
        get() const IT_THROW_DECL((NoDataException));
        
        virtual IT_Bus::BinaryBuffer&
        get() IT_THROW_DECL((NoDataException));
        
        virtual void
        set(
            const IT_Bus::BinaryBuffer& data
        );

        virtual void
        reset();

      private:
        Boolean              m_is_nil;
        IT_Bus::BinaryBuffer m_data;
    };
}

#endif  

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