plugins/org.eclipse.ocl.pivot/src/org/eclipse/ocl/pivot/utilities/DebugTimestamp.java

/*******************************************************************************
 * Copyright (c) 2010, 2018 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.ocl.pivot.utilities;

import org.eclipse.jdt.annotation.NonNull;

/**
 * @since 1.13
 */
public class DebugTimestamp
{
	protected static final long originTime = System.nanoTime();

	protected final @NonNull String name;
	protected final long startTime;

	public DebugTimestamp(@NonNull String name) {
		this.name = name;
		this.startTime = System.nanoTime();
		String message = String.format("%12.6f %s Starting", 0.000000001 * (startTime- originTime), name);
		doLog(message);
	}

	protected void doLog(String message) {	// Override for a logger
	//	System.out.println(message);
	}

	public void log(@NonNull String event) {
		long nowTime = System.nanoTime();
		String message = String.format("%12.6f %s %s", 0.000000001 * (nowTime - startTime), name, event);
		doLog(message);
	}
}