1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #ifndef TRANSITION_H_

    20 #define TRANSITION_H_

    21 

    22 #include <e32base.h>

    23 

    24 /** RSupplierRelations represents the buffer supplier links in a graph */

    25 typedef RArray<RArray<TInt> > RSupplierRelations;

    26 

    27 void CloseSupplierRelations(TAny* aPtr);

    28 

    29 /*

    30 

    31 For example, consider the following graph: (<-- indicates direction of buffer supply)

    32 

    33 	| 0 | <-- 1 <-- 2

    34 	| 0 | --> 3 <-- 4 --> 5

    35 	  

    36 	The supplier relations table is:

    37 	

    38 	0: 3

    39 	1: 0

    40 	2: 1

    41 	3:

    42 	4: 3, 5

    43 	5:

    44 	

    45 	A valid transition order for this graph is { 3, 0, 1, 2, 5, 4 }

    46 

    47 */

    48 

    49 void FindTransitionOrderL(const RSupplierRelations& aSupplierRelations, RArray<TInt>& aOrder);

    50 

    51 #endif /*TRANSITION_H_*/