/*

* Copyright (c) 2007 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:

*

* Interface implemented by trace model extensions that need to store themselves 

* into persistent storage along with other model elements

*

*/

package com.nokia.tracecompiler.model;

/**

 * Interface implemented by trace model extensions that need to store themselves

 * into persistent storage along with other model elements. The storage format

 * is left to the implementation. When loading, the trace provider calls

 * TraceObjectFactory.createExtension with the storage name. The object factory

 * returns an instance of this interface and the provider calls setData to

 * initialize this.

 * 

 */

public interface TraceModelPersistentExtension extends TraceModelExtension {

	/**

	 * Gets the name used when storing this extension

	 * 

	 * @return the storage name

	 */

	public String getStorageName();

	/**

	 * Gets the data of this extension

	 * 

	 * @return the extension data

	 */

	public String getData();

	/**

	 * Sets the data of this extension

	 * 

	 * @param data

	 *            the data

	 * @return true if extension should be added to model, false if not

	 */

	public boolean setData(String data);

}