| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jem.internal.instantiation.base; |
| /* |
| * $RCSfile: FeatureValueProvider.java,v $ |
| * $Revision: 1.3 $ $Date: 2005/02/15 22:36:09 $ |
| */ |
| |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| /** |
| * Implementers of this interface (an EMF EObject subclass) provide a visiter |
| * capability to the set features on the EObject. This way only the set features |
| * are presented to the visitor. This can save a lot of time. |
| * |
| * @since 1.1.0 |
| */ |
| public interface FeatureValueProvider { |
| /** |
| * The interface for the visiter callback. |
| * |
| * @since 1.1.0 |
| */ |
| public interface Visitor{ |
| /** |
| * Called for each set feature on the FeatureValueProvider. |
| * |
| * @param feature |
| * @param value |
| * |
| * @since 1.1.0 |
| */ |
| void isSet(EStructuralFeature feature, Object value); |
| } |
| |
| /** |
| * Visit the set features. |
| * @param aVisitor |
| * |
| * @since 1.1.0 |
| */ |
| void visitSetFeatures(Visitor aVisitor); |
| } |