gzDistEvaluator.h

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//*****************************************************************************
// File         : gzDistEvaluator.h
// Module       : gzDistribution
// Description  : Declaration of gzDistEvaluatorInterface
// Author       : Christian Andersson
// Product      : GizmoDistribution 2.1.1
//
// Copyright © 2004 - Saab Training Systems AB, Sweden
//
// NOTE:    GizmoDistribution is a toolkit used for implementing distributed
//          objects and events in C++
//
//
// Revision History...
//
// Who  Date    Description
//
// CAN  040203  Created file
//
//******************************************************************************
#ifndef __GZ_DIST_EVALUATOR_H__
#define __GZ_DIST_EVALUATOR_H__

// Includes
#include "gzDistBase.h"


// Evaluator types (for internal use)
enum gzDistEvaluatorType
{
    GZ_DIST_EVALUATOR_NEW_OBJECT = 1,       // Evaluation of new objects
    GZ_DIST_EVALUATOR_REMOVE_OBJECT,        // Evaluation of removed objects
    GZ_DIST_EVALUATOR_UPDATE_OBJECT,        // Evaluation of updated objects
    GZ_DIST_EVALUATOR_REMOVE_ATTRIBUTES     // Evaluation of removed attributes in objects
};


//******************************************************************************
// Class    : gzDistEvaluatorInterface
//
// Purpose  : The base def class of a gzDistributionSession.
//
// Notes    : -
//
// Revision History...
//
// Who  Date    Description
//
// CAN  040203  Created
//
//******************************************************************************

class gzDistEvaluatorInterface : public gzDistThreadSafeReference
{
    public:

        GZ_DIST_EXPORT virtual ~gzDistEvaluatorInterface();


        GZ_DIST_EXPORT virtual gzBool onNewObject(gzDistObject* object, gzDistSession* session);


        GZ_DIST_EXPORT virtual gzBool onRemoveObject(gzDistObject* object);


        GZ_DIST_EXPORT virtual gzBool onUpdateObject(gzDistTransaction* transaction, gzDistObject* object);


        GZ_DIST_EXPORT virtual gzBool onRemoveAttributes(gzDistTransaction* transaction, gzDistObject* object);


        GZ_DIST_EXPORT virtual gzVoid onResult(gzBool result);


        GZ_DIST_EXPORT gzType* getEvaluatorClassType();

    protected:


        GZ_DIST_EXPORT gzDistEvaluatorInterface(gzType* classType);

    private:

        // The type to evaluate
        gzType* m_classType;
};


#endif

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