MultiReadStream.h

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//==============================================================================================
//  FILENAME    :   MultiReadStream.h
//  AUTHOR      :   Hurwood
//  PROJECT     :   PDSerialization
//
//  CREATION    :   2005-09-08
//  Copyright (C) MicroStrategy, Inc. 2005
//==============================================================================================
#ifndef MSerialization_MultiReadStream_h
#define MSerialization_MultiReadStream_h

#include "PDSerialization.h"
#include "ReadDataStream.h"
#include "WriteDataStream.h"
#include "ReadBlockStream.h"
#include "DataType/DataType/BinaryCollection.h"
#include "Base/Defines/SmartPtrI.h"
#include "Base/Defines/ReturnPtrI.h"
#include "Base/Interfaces/ReferenceCounted.h"
#include "Synch/Defines/ReferenceCountedImplementation.h"
#include "Base/Interfaces/BaseMemoryContract.h"

namespace MSerialization
{

    class DLL_PDSERIALIZATION_EXIM MultiReadStream :
        public MBase::ReferenceCounted
    {
    public:
        typedef MBase::SmartPtrI<MultiReadStream> Ptr;
        typedef MBase::ReturnPtrI<MultiReadStream> ReturnPtr;

    static ReturnPtr Create(MDataType::BinaryCollection* ipCollection);

    static ReturnPtr Create(WriteDataStream* ipWriteStream);

    ReadDataStream* GetAsReadDataStream(MBase::MemoryContract* ipMemCon = 0);

    ReadBlockStream* GetAsReadBlockStream(MBase::MemoryContract* ipMemCon = 0);

    void WriteBinaryToStream(WriteDataStream* ipWriteStream);

    /*
        return the number of binary
    */
    unsigned Int32 GetBinaryCount();

    /*
        caller does not assume ownership of this binary
    */
    const MDataType::Binary* GetBinaryByIndex(unsigned Int32 iIndex);

    protected:

        virtual ~MultiReadStream() throw() {}

    private:

        MultiReadStream(MDataType::BinaryCollection* ipCollection);

        MDataType::BinaryCollectionPtr mBinaryCollectionPtr;

        // Support reference counting
        REFERENCE_COUNTED_IMPLEMENTATION
    };

}

#endif // MSerialization_MultiReadStream_h