/*

* Copyright (c) 2004-2009 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:

* Name          : CRequestQueue.h

* Part of       : ServerResolver

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CREQUESTQUEUE_H

#define CREQUESTQUEUE_H

//INCLUDES

#include <e32base.h>

#include <e32std.h>

#include "_sipcodecdefs.h"

// FORWARD DECLARATIONS

class CServerQuery;

class MSIPServerResolverObserver;

// CLASS DEFINITION

/**

 * CRequestQueue implements a

 */

class CRequestQueue : public CBase

	{

	public:// Constructors and destructor

		/**

	 	* Creates a new CRequestQueue instance

	 	* @returns a new instance of CRequestQueue

	 	*/

		static CRequestQueue* NewL();

		/**

	 	* Creates a new CRequestQueue instance 

	 	* and pushes it to CleanupStack

	 	* @returns a new instance of CRequestQueue

	 	*/

		static CRequestQueue* NewLC();

		/**

	 	* Destructor.

	 	*/

		~CRequestQueue();

	public:

		void AddL( CServerQuery& aQuery );

		CServerQuery* NextQuery();

		void CancelQuery( MSIPServerResolverObserver* aObserver );

	private:// Constructors and destructor

		CRequestQueue();

	private:// data

		TSglQue<CServerQuery> iList;

		TSglQueIter<CServerQuery> iListIter;

	private: // For testing purposes

		UNIT_TEST(CHostResolverTest)

	};

#endif // end of CREQUESTQUEUE_H

// End of File