| /********************************************************************** |
| * Copyright (c) 2005, 2014 IBM Corporation, Ericsson |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| * Bernd Hufmann - Updated for TMF |
| **********************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.views.uml2sd.util; |
| |
| import java.io.Serializable; |
| import java.util.Comparator; |
| |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.GraphNode; |
| import org.eclipse.tracecompass.tmf.ui.views.uml2sd.core.SyncMessage; |
| |
| /** |
| * Synchronous message comparator Compare two syncMessages only taking into account the event occurrence when their |
| * appear.<br> |
| * |
| * The message with the greater event occurrence is considered to be the greater.<br> |
| * |
| * @version 1.0 |
| * @author sveyrier |
| * |
| */ |
| public class SortSyncMessageComparator implements Comparator<GraphNode>, Serializable { |
| |
| // ------------------------------------------------------------------------ |
| // Constants |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Serial version UID |
| */ |
| private static final long serialVersionUID = 4781250984753283718L; |
| |
| // ------------------------------------------------------------------------ |
| // Methods |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| public int compare(GraphNode arg0, GraphNode arg1) { |
| if (arg0 instanceof SyncMessage && arg1 instanceof SyncMessage) { |
| SyncMessage m1 = (SyncMessage) arg0; |
| SyncMessage m2 = (SyncMessage) arg1; |
| if (m1.getEventOccurrence() > m2.getEventOccurrence()) { |
| return 1; |
| } else if (m1.getEventOccurrence() == m2.getEventOccurrence()) { |
| return 0; |
| } else { |
| return -1; |
| } |
| } |
| return 0; |
| } |
| } |