// $Revision: 1.4 $
//------------------------------------------------------------------------------
//
// Copyright (C) 1995 Taligent, Inc. All rights reserved.
//
// Project:			StockBrowser
// File:			StockCaller.h
// Build/Version:	1.0.0
//
// Description:		TStockCaller is derived from MRemoteCaller and is the "sender"
//					in any remote procedure call involving the Stock Server.
//
//------------------------------------------------------------------------------

#ifndef TaligentSamples_STOCKCALLER
#define TaligentSamples_STOCKCALLER

class TStockCaller;

#ifndef TaligentSamples_STOCKDATABASE
#include "StockDatabase.h"
#endif

#ifndef Taligent_REMOTECALLER
#include <Taligent/RemoteCaller.h>
#endif

#ifndef Taligent_MESSAGESTREAMSTRANSPORT
#include <Taligent/MessageStreamsTransport.h>
#endif

#ifndef Taligent_SERVICEACCESS
#include <Taligent/ServiceAccess.h>
#endif

class TStockDay;
class TLocalServiceReference;
class TNetworkServiceReference;
class TNetworkName;

//==============================================================================
// TStockCaller

class TStockCaller : public TStockDatabase, public MRemoteCaller {
public:
	TaligentTypeExtensionDeclarationsMacro(TStockCaller)

public:
	// CreateLocalServiceReference creates a local reference to the service
	// provided by this dispatcher. Since MRemoteCallers have knowledge of the
	// type of dispatcher they connect to, it is not unreasonable to have the
	// dispatcher return an appropriate service reference.
	static TLocalServiceReference*		CreateLocalServiceReference();

	// CreateNetworkServiceReference creates a network reference to the service
	// provided by this dispatcher. Since MRemoteCallers have knowledge of the
	// type of dispatcher they connect to, it is not unreasonable to have the
	// dispatcher return an appropriate service reference.
	static TNetworkServiceReference*	CreateNetworkServiceReference(
											const TNetworkName& netName);	

						TStockCaller(TServiceReference* adoptedReference);
						TStockCaller(const TStockCaller& source);
	virtual 			~TStockCaller();

	virtual TStream&	operator>>=(TStream& toStream) const;
	virtual TStream&	operator<<=(TStream& fromStream);

	//..........................................................................
	// MStockDatabase overrides

	virtual void		CopyAvailableNames(TCollectionOf<TStandardText>& collectionToFill);
	virtual void		CopyAllStocks(TCollectionOf<TStockData>& collectionToFill);
	virtual TStockData*	CopyStock(const TStandardText& stockName);
	virtual bool		CopyStockData(const TStandardText& stockName,
							TCollectionOf<TStockDay>& collectionToFill,
							const TRangeOfDays& range = TRangeOfDays::kAllDays);
	virtual TPseudoTimeStamp
						GetTimeStamp();

protected:
						TStockCaller();

private:
	void				Init(TServiceReference* adopted);
	TStockCaller&		operator=(const TStockCaller& source);
	
	enum				{kOriginalVersion};

	TDeleterFor<TServiceReference>			fServiceReference;
	TDeleterFor<TMessageStreamsTransport>	fTransport;

	MRemoteCallerDeclarationsMacro(TStockDispatcher)
};

#endif