| /******************************************************************************* |
| * Copyright (c) 2009 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.publisher; |
| |
| import org.eclipse.equinox.internal.provisional.p2.query.Collector; |
| |
| /** |
| * Collect a single element and stop the Query |
| */ |
| public class SingleElementCollector extends Collector { |
| |
| public boolean accept(Object object) { |
| super.accept(object); |
| return false; |
| } |
| |
| public Object getElement() { |
| if (!isEmpty()) |
| return iterator().next(); |
| return null; |
| } |
| } |