timer.java

来自「Python Development Environment (Python I」· Java 代码 · 共 39 行

package org.python.pydev.core.performanceeval;

/**
 * This class is a helper in performance evaluation
 */
public class Timer {

	private long start;

	public Timer(){
		this.start = System.currentTimeMillis();
	}

	public void printDiffMillis() {
		System.out.println("Time Elapsed (millis):"+getDiff());
	}
	
	public void printDiff() {
		printDiff(null);
	}

	private long getDiff() {
		long old = this.start;
		long newStart = System.currentTimeMillis();
		long diff = (newStart-old);
		start = newStart;
		return diff;
	}

	public void printDiff(String msg) {
		double secs = getDiff()/1000.0d;
		if(msg != null){
			System.out.println("Time Elapsed for:"+msg+" (secs):"+secs);
		}else{
			System.out.println("Time Elapsed (secs):"+secs);
		}
	}
}