videoscheduler/SchedulerServer/inc/MCsePluginControllerObserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    Observer to inform common scheduling engine when plugin is*
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*/
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#ifndef __MCSEPLUGINCONTROLLEROBSERVER_H__
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#define __MCSEPLUGINCONTROLLEROBSERVER_H__
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class CCseSchedulerPluginControllerBase;
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// CLASS DECLARATION
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/**
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* MCsePluginControllerObserver
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* This class offers plugin controller some of the engine's utilities.
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*/
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class MCsePluginControllerObserver
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    {
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    public: // New functions                
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        /**
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        * Method to inform succesfully completed schedules.
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        * @param    aDbIdentifier   Identifier of the schedule that has
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        *                           completed.
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        */
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        virtual void ScheduleCompletedSuccesfullyL( const TUint32 aDbIdentifier ) = 0;
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        /**
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        * Method to inform failed schedules.
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        * @param    aDbIdentifier   Identifier of the schedule that has
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        *                           completed.
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        */
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        virtual void ScheduleCompletedWithErrorL( const TUint32 aDbIdentifier,
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                                                  TUint32 aErrorCode ) = 0;
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        /**
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        * Orders engine to increase run count of given shedule.
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        * @param    aDbIdentifier   Identifier of the schedule who's run
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        *                           needs to be incremented.
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        */                                                 
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        virtual void IncreaseScheduleRunCountL( const TUint32 aDbIdentifier ) = 0;
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        /**
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        * Asks from engine if given schedule can be run
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        * @param    aDbIdentifier   Identifier of the schedule to be checked.
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        * @return boolean value representing if schedule can be run or not.
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        */
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        virtual TBool IsAllowedToRun( const TUint32 aDbIdentifier ) = 0;
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        /**
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        * Reports not valid schedule to engine (schedule cannot be run anymore).
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        * @param    aDbIdentifier   Reported schedules identifier.        
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        */
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        virtual void ScheduleNotValid( const TUint32 aDbIdentifier ) = 0;
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        /**
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        * Requests rescheduling for plugin controllers        
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        */
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        virtual void RequestReschedule( ) = 0;
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        /**
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         * Signals when plugin controller clearing is done.        
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         */
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        virtual void ClearingDone( ) = 0;
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    };
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#endif // __MCSEPLUGINCONTROLLEROBSERVER_H__
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// End of File