| /******************************************************************************* |
| * Copyright (c) 2008-2011 Chair for Applied Software Engineering, |
| * Technische Universitaet Muenchen. |
| * 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: |
| * koegel |
| ******************************************************************************/ |
| package org.eclipse.emf.emfstore.internal.client.model.util; |
| |
| /** |
| * Command that can buffer a result for later retrieval. |
| * |
| * @author koegel |
| * @param <T> result type |
| * @param <E> exception type |
| */ |
| public abstract class EMFStoreCommandWithResultAndException<T, E> extends EMFStoreCommandWithResult<T> { |
| |
| private E exception; |
| |
| /** |
| * Get the exception that occured during command execution if any. |
| * |
| * @return the exception or null |
| */ |
| public E getException() { |
| return exception; |
| } |
| |
| /** |
| * Set the exception that occured during the command execution. |
| * |
| * @param exception the exception |
| */ |
| protected void setException(E exception) { |
| this.exception = exception; |
| } |
| |
| /** |
| * Determine if an exception occured during command execution. |
| * |
| * @return true if an exception has occured |
| */ |
| public boolean hasException() { |
| return exception != null; |
| } |
| } |