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 * Trace model listener

    17 *

    18 */

    19 package com.nokia.tracecompiler.engine.rules;

    20 

    21 import com.nokia.tracecompiler.model.Trace;

    22 import com.nokia.tracecompiler.model.TraceCompilerException;

    23 import com.nokia.tracecompiler.model.TraceModelListener;

    24 import com.nokia.tracecompiler.model.TraceObject;

    25 import com.nokia.tracecompiler.model.TraceParameter;

    26 import com.nokia.tracecompiler.rules.FillerParameterRule;

    27 

    28 /**

    29  * Trace model listener

    30  * 

    31  */

    32 final class RulesEngineModelListener implements TraceModelListener {

    33 

    34 	/**

    35 	 * Rules engine

    36 	 */

    37 	private final RulesEngine engine;

    38 

    39 	/**

    40 	 * Constructor

    41 	 * 

    42 	 * @param engine

    43 	 *            rules engine

    44 	 */

    45 	RulesEngineModelListener(RulesEngine engine) {

    46 		this.engine = engine;

    47 	}

    48 

    49 	/*

    50 	 * (non-Javadoc)

    51 	 * 

    52 	 * @see com.nokia.tracecompiler.model.TraceModelListener#

    53 	 *      objectAdded(com.nokia.tracecompiler.model.TraceObject,

    54 	 *      com.nokia.tracecompiler.model.TraceObject)

    55 	 */

    56 	public void objectAdded(TraceObject owner, TraceObject object) {

    57 		// Updated in objectCreationComplete

    58 	}

    59 

    60 

    61 	/* (non-Javadoc)

    62 	 * @see com.nokia.tracecompiler.model.TraceModelListener#objectRemoved(com.nokia.tracecompiler.model.TraceObject, com.nokia.tracecompiler.model.TraceObject)

    63 	 */

    64 	public void objectRemoved(TraceObject owner, TraceObject object) throws TraceCompilerException {

    65 		if (owner instanceof Trace && object instanceof TraceParameter) {

    66 			engine.checkParameterTypes((Trace) owner);

    67 			if (object.getExtension(FillerParameterRule.class) == null) {

    68 				engine.checkFillerParameters((Trace) owner);

    69 			}

    70 		}

    71 	}

    72 

    73 	/*

    74 	 * (non-Javadoc)

    75 	 * 

    76 	 * @see com.nokia.tracecompiler.model.TraceModelListener#

    77 	 *      propertyUpdated(com.nokia.tracecompiler.model.TraceObject, int)

    78 	 */

    79 	public void propertyUpdated(TraceObject object, int property) throws TraceCompilerException {

    80 		if (object.getModel().isValid() && object.isComplete()

    81 				&& object instanceof TraceParameter

    82 				&& property == TraceModelListener.TYPE) {

    83 			Trace owner = ((TraceParameter) object).getTrace();

    84 			if (owner.isComplete()) {

    85 				engine.checkParameterTypes(owner);

    86 				engine.checkFillerParameters(owner);

    87 			}

    88 		}

    89 	}

    90 

    91 	/*

    92 	 * (non-Javadoc)

    93 	 * 

    94 	 * @see com.nokia.tracecompiler.model.TraceModelListener#

    95 	 *      objectCreationComplete(com.nokia.tracecompiler.model.TraceObject)

    96 	 */

    97 	public void objectCreationComplete(TraceObject object) throws TraceCompilerException {

    98 		if (object.getModel().isValid()) {

    99 			if (object instanceof TraceParameter) {

   100 				Trace owner = ((TraceParameter) object).getTrace();

   101 				if (owner.isComplete()) {

   102 					engine.checkParameterTypes(owner);

   103 					// When adding fillers, the check is not done

   104 					if (object.getExtension(FillerParameterRule.class) == null) {

   105 						engine.checkFillerParameters(owner);

   106 					}

   107 				}

   108 			} else if (object instanceof Trace) {

   109 				// When a trace with multiple parameters is created, the

   110 				// above branch does not get entered since the trace is not

   111 				// yet complete. Check is made after trace is complete

   112 				if (((Trace) object).getParameterCount() > 0) {

   113 					engine.checkParameterTypes((Trace) object);

   114 					engine.checkFillerParameters((Trace) object);

   115 				}

   116 			}

   117 		}

   118 	}

   119 }