| /******************************************************************************* |
| * Copyright (c) 2008 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.equinox.internal.p2.ui.viewers; |
| |
| import java.util.EventListener; |
| |
| /** |
| * A listening interface used to signal when fetching begins and |
| * ends. Used by clients who wish to coordinate fetching with other |
| * capabilities of the viewer. |
| * |
| * @since 3.4 |
| * |
| */ |
| public interface DeferredQueryTreeListener extends EventListener { |
| |
| public void fetchingDeferredChildren(Object parent, Object placeHolder); |
| |
| public void finishedFetchingDeferredChildren(Object parent, Object placeHolder); |
| } |
