/*******************************************************************************
* Copyright (c) 2009, 2011 SAP AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* SAP AG - initial API and implementation
******************************************************************************/
package org.eclipse.ocl.examples.impactanalyzer.deltaPropagation;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EParameter;
import org.eclipse.ocl.EvaluationEnvironment;
import org.eclipse.ocl.expressions.VariableExp;
public interface VariableValueNotFoundInfo {
String getVariableName();
/**
* If the request for the undefined variable was triggered by evaluating a {@link VariableExp}, this
* expression is returned. In some cases the {@link EvaluationEnvironment#getValueOf(String)} method is called
* without a particular variable expression at hand, e.g., in order to look up the context object which is the
* value of the "self" variable for which not always a variable expression is available. In those cases,
* <code>null</code> will be returned.
*/
VariableExp<EClassifier, EParameter> getVariableExp();
}