| /******************************************************************************* |
| * Copyright (c) 2013, 2015 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: |
| * Patrick Tasse - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model; |
| |
| /** |
| * A null time event. Used to represent an event that should not be drawn, |
| * for example as a zoomed event that overshadows an underlying event. |
| */ |
| public class NullTimeEvent extends TimeEvent { |
| |
| /** |
| * Standard constructor |
| * |
| * @param entry |
| * The entry matching this event |
| * @param time |
| * The timestamp of this event |
| * @param duration |
| * The duration of the event |
| */ |
| public NullTimeEvent(ITimeGraphEntry entry, long time, long duration) { |
| super(entry, time, duration); |
| } |
| |
| @Override |
| public ITimeEvent splitBefore(long splitTime) { |
| return (splitTime > fTime ? |
| new NullTimeEvent(fEntry, fTime, Math.min(fDuration, splitTime - fTime)) : |
| null); |
| } |
| |
| @Override |
| public ITimeEvent splitAfter(long splitTime) { |
| return (splitTime < fTime + fDuration ? |
| new NullTimeEvent(fEntry, Math.max(fTime, splitTime), fDuration - Math.max(0, splitTime - fTime)) : |
| null); |
| } |
| |
| } |