dk.cooldev.timing.TimeMarker Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of easytiming Show documentation

Easy way to measure your code

The newest version!

package dk.cooldev.timing;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by cvwj on 07/08/14.
 */
public class TimeMarker {
    private long start;
    private long end;
    private boolean stopped;
    private long lastMark;

    private List marks = new ArrayList();
    private long duration;

    public TimeMarker() {
        lastMark = start = System.currentTimeMillis();
    }

    public void stop() {
        if (stopped) {
            return;
        }
        end = System.currentTimeMillis();
        stopped = true;
        duration = end - start;
    }

    public void mark(Class clazz, String methodName, String eventName) {
        if (stopped) {
            return;
        }
        long now = System.currentTimeMillis();
        long duration = now - lastMark;
        String name = String.format("%s::%s::%s", clazz.getSimpleName(), methodName, eventName);

        Mark mark = new Mark();
        mark.name = name;
        mark.duration = duration;
        marks.add(mark);
    }

    public long getDuration() {
        if (stopped) {
            return duration;
        } else {
            return System.currentTimeMillis() - start;
        }
    }

    public List getMarks() {
        return marks;
    }

    public String toString() {
        StringBuilder sb = new StringBuilder("{\"duration\":").append(duration).append(", \"marks\":[");
        boolean first = true;
        for (Mark mark : getMarks()) {
            if (first) {
                sb.append("\n").append(mark);
                first = false;
            } else {
                sb.append(",\n").append(mark);
            }
        }
        sb.append("]}");
        return sb.toString();
    }

}