| /****************************************************************************** |
| * Copyright (c) 2006 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.gmf.runtime.diagram.core.listener; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.notify.Notification; |
| |
| /** |
| * Defines an EMF {@link Notification} listener; any class interested in |
| * listening to pre-commit events from the {@link DiagramEventBroker} which |
| * implements this interface. the transactionAboutToCommit method will get |
| * called by the |
| * {@link DiagramEventBroker#handleTransactionAboutToCommitEvent(Notification)} |
| * |
| * @author cmahoney |
| */ |
| public interface NotificationPreCommitListener { |
| |
| /** |
| * Will be called when a Notification event gets sent from the |
| * DiagramEventBroker during the firing of pre-commit events. |
| * |
| * @param notification |
| * the notification object |
| */ |
| public Command transactionAboutToCommit(Notification notification); |
| |
| } |
