class MainObjectArrayPtr
{
protected:
class MainObjectArray
{
friend MainObjectArrayPtr;
protected:
QuantumFile *m_QuantumFile;
SVector<MainObjectBlockPtr> m_BlockPtr;
ObjectNumber m_MainObjectCount;
ArrayIndex m_MainObjectBlockCount;
ArrayIndex m_CurrentLowestFreeObject;
int m_ReferenceCount;

public:
MainObjectArray();
MainObjectArray(QuantumFile *p_QuantumFile);
~MainObjectArray();

MainObjectEntry Get(ArrayIndex p_Index);

void Set(ArrayIndex p_Index, MainObjectEntry p_Entry);

ObjectNumber FindAvailableObject();

ObjectNumber GetMainObjectCount() {return m_MainObjectCount;}

ModifiableElement GetModifiableElement(ArrayIndex p_MainObjectNumber, 
	ArrayIndex p_ElementIndex);

AccessVector<Ulong> GetAccessVectorUlong(
        ArrayIndex p_MainObjectNumber, ArrayIndex p_ElementIndex);

void SetModified(ArrayIndex p_MainObjectNumber,
	ArrayIndex p_ElementIndex);

int PutElement(ObjectNumber p_MainObjectNumber, 
	ArrayIndex p_ElementIndex, ModifiableElement p_Element);

void CreateMainObject(ModifiableElement p_ObjectName, 
	ObjectNumber p_ObjectNumber, ArrayIndex p_ElementCount=100,
	ArrayIndex p_MaxElementCount=UINT_MAX-1);

ArrayIndex GetMainObjectElementCount(ArrayIndex p_MainObjectNumber);

ArrayIndex GetMainObjectMaxElementCount(ArrayIndex p_MainObjectNumber);

ObjectNumber FindObjectByName(ModifiableElement p_ObjectName);

ArrayIndex GrowMainObject(ObjectNumber p_ObjectNumber, ArrayIndex p_NewElementCount);
};

MainObjectArray *m_MOA;

public:
MainObjectArrayPtr();
MainObjectArrayPtr(const MainObjectArrayPtr& p_MOAP);
MainObjectArrayPtr(QuantumFile *p_QuantumFile);
MainObjectArray *operator->();
MainObjectArrayPtr& operator=(const MainObjectArrayPtr& p_MOAP);
~MainObjectArrayPtr();
}; // end of MainObjectArray