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/* |
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* Copyright (c) 2007-2008 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 "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: This file contains the header file of MIAUpdateAnyNode class |
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* |
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*/ |
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#ifndef IA_UPDATE_ANY_NODE_H |
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#define IA_UPDATE_ANY_NODE_H |
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class MIAUpdateBaseNode; |
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/** |
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* MIAUpdateAnyNode |
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* This interface provides enumerations for the node types. |
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* Classes that implement this interface provide information |
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* about their type. By using the type information, |
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* a MIAUpdateAnyNode object can be static casted to a more |
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* specific object if necessary. This can be usefull, for example, |
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* when arrays for MIAUpdateAnyNode objects are used. Also, |
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* a function to get the base node is provided. So, common |
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* information for all the nodes can be gotten through this |
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* interface without casting the object. |
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* |
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* @see MIAUpdateBaseNode |
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* @see MIAUpdateNormalNode |
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* @see MIAUpdateFwNode |
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*/ |
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class MIAUpdateAnyNode |
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{ |
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public: |
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/** |
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* These enumerations provide known node types that |
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* can be interpreted as known more specific interfaces. |
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*/ |
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enum TNodeType |
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{ |
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/** |
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* Node type is not defined. |
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* Static casting of the node should be avoided. |
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*/ |
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ENodeTypeNotDefined, |
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/** |
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* Node is normal node. |
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* @see MIAUpdateNode |
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*/ |
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ENodeTypeNormal, |
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/** |
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* Node is firmware node. |
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* @see MIAUpdateFwNode |
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*/ |
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ENodeTypeFw |
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}; |
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/** |
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* @return TNodeType Describes the type of the node. |
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*/ |
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virtual TNodeType NodeType() const = 0; |
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/** |
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* @return MIAUpdateBaseNode& Base interface for nodes. |
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* This interface provides common details for all the different nodes. |
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*/ |
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virtual MIAUpdateBaseNode& Base() = 0; |
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protected: |
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/** |
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* Protected destructor to prevent deletion. |
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*/ |
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virtual ~MIAUpdateAnyNode() { } |
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}; |
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#endif // IA_UPDATE_ANY_NODE_H |