/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Base class for Sensor conditions

*

*/

#ifndef CSENSORCONDITIONBASE_H

#define CSENSORCONDITIONBASE_H

#include <e32base.h>

class CSensorConditionBase : public CBase

{

public:

    /**

     * Destructor

     */

    virtual ~CSensorConditionBase();

protected:

    /**

     * Constructor

     */

    CSensorConditionBase(TInt aChannelId);

public: // New methods

    /**

     * Evaluate condition

     * @param aData value this conditions is matched against

     * @return ETrue if matched, EFalse if not

     */

    virtual TBool Evaluate(TReal aValue, TInt aChannelId) = 0;

    inline TInt GetChannelId()

    {

        return iChannelId;

    };

protected: // Member data

    /**

     * ID number of the channel this condition is interested in

     */

    TInt iChannelId;

};

#endif // CSENSORCONDITIONBASE_H