| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.context.core; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Ranks elements by their degree-of-interest. |
| * |
| * @author Mik Kersten |
| * @since 2.0 |
| */ |
| public class InterestComparator<T> implements Comparator<T> { |
| |
| public int compare(T e1, T e2) { |
| if (e1 instanceof IInteractionElement && e2 instanceof IInteractionElement) { |
| IInteractionElement info1 = (IInteractionElement) e1; |
| IInteractionElement info2 = (IInteractionElement) e2; |
| float v1 = info1.getInterest().getValue(); |
| float v2 = info2.getInterest().getValue(); |
| if (v1 >= v2) { |
| return -1; |
| } |
| if (v1 < v2) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| } |