| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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.core.internal.databinding.observable.tree; |
| |
| /** |
| * Request monitor used to collect the number of children for an element in a lazy |
| * observable tree. |
| * |
| * @since 3.3 |
| */ |
| public interface IChildrenCountUpdate extends IViewerUpdate { |
| |
| /** |
| * Returns the parent elements that children counts have been requested for |
| * as tree paths. An empty path identifies the root element. |
| * |
| * @return parent elements as tree paths |
| */ |
| public TreePath[] getParents(); |
| |
| /** |
| * Sets the number of children for the given parent. |
| * |
| * @param parentPath |
| * parent element or empty path for root element |
| * @param numChildren |
| * number of children |
| */ |
| public void setChildCount(TreePath parentPath, int numChildren); |
| } |