| /****************************************************************************** |
| * Copyright (c) 2002, 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.common.ui.services.dnd.internal.core; |
| |
| import org.eclipse.gmf.runtime.common.core.service.IOperation; |
| import org.eclipse.gmf.runtime.common.ui.services.dnd.core.IListenerContext; |
| |
| /** |
| * The abstract parent of all drag and drop listener operations. This class |
| * maintains a reference to the <code>IListenerContext</code>. |
| * |
| * @author Vishy Ramaswamy |
| */ |
| public abstract class ListenerOperation |
| implements IOperation { |
| |
| /** |
| * Attribute for the <code>IListenerContext</code>. |
| */ |
| private final IListenerContext context; |
| |
| /** |
| * Create a ListenerOperation. |
| * |
| * @param aContext |
| * the IListenerContext to keep a reference to |
| */ |
| public ListenerOperation(IListenerContext aContext) { |
| assert null != aContext : "aContext cannot be null"; //$NON-NLS-1$ |
| this.context = aContext; |
| } |
| |
| /** |
| * Returns the context. |
| * |
| * @return The <code>context</code> instance variable |
| */ |
| public final IListenerContext getContext() { |
| return context; |
| } |
| } |