1 /*

     2 * Copyright (c) 2007 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 * Interface which can be added to a TraceObject to prevent parameter addition

    17 *

    18 */

    19 package com.nokia.tracebuilder.rules;

    20 

    21 import com.nokia.tracebuilder.model.TraceObjectRule;

    22 

    23 /**

    24  * Interface which can be used to restrict changes to the parameters of trace

    25  * objects

    26  * 

    27  */

    28 public interface TraceParameterRestrictionRule extends TraceObjectRule {

    29 

    30 	/**

    31 	 * Called before showing add parameter dialog to user. If this returns

    32 	 * false, an error message is displayed

    33 	 * 

    34 	 * @return true if the dialog can be shown, false if an error message needs

    35 	 *         to be displayed

    36 	 */

    37 	public boolean canAddParameters();

    38 

    39 	/**

    40 	 * Called before removing a parameter. If this returns false, the parameter

    41 	 * is not removed and error message is displayed

    42 	 * 

    43 	 * @return true if the dialog can be shown, false if an error message needs

    44 	 *         to be displayed

    45 	 */

    46 	public boolean canRemoveParameters();

    47 

    48 }