| /******************************************************************************* |
| * Copyright (c) 2007, 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.director; |
| |
| import org.eclipse.equinox.internal.provisional.p2.query.Collector; |
| |
| /** |
| * A collector that short-circuits on the first match. |
| */ |
| public class HasMatchCollector extends Collector { |
| private boolean hasMatch = false; |
| |
| public boolean accept(Object object) { |
| hasMatch = true; |
| return false; |
| } |
| |
| public boolean isEmpty() { |
| return !hasMatch; |
| } |
| |
| } |
