Mega Code Archive
Timer Table
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import java.util.HashMap;
class MyTimer {
// WARNING: HashMap is not thread-safe (not syncronized)
static private HashMap<String, MyTimer> timers = new HashMap<String, MyTimer>();
private String name = null;
private long startedAt;
private long elapsedTimeInMS = 0;
static public MyTimer get(String name) {
MyTimer timer;
if (timers.containsKey(name)) {
timer = timers.get(name);
} else {
timer = new MyTimer(name);
timers.put(name, timer);
}
return timer;
}
/**
* If given a name the timer will be save in the list
* @param name
* @return
*/
static public MyTimer start(String name) {
MyTimer timer = get(name);
timer.start();
return timer;
}
static public MyTimer resume(String name) {
MyTimer timer = get(name);
timer.resume();
return timer;
}
static public MyTimer stop(String name) {
MyTimer timer = get(name);
timer.stop();
return timer;
}
static public MyTimer remove(String name) {
return timers.remove(name);
}
// Private constructor prevents instantiation
private MyTimer(String name) {
this.name = name;
}
public void start() {
this.elapsedTimeInMS = 0;
this.startedAt = System.currentTimeMillis();
}
public void resume() {
this.startedAt = System.currentTimeMillis();
}
/**
* @return elapsedTimeInMS
*/
public long stop() {
this.elapsedTimeInMS += (System.currentTimeMillis() - this.startedAt);
return this.elapsedTimeInMS;
}
public long ms() {
return this.elapsedTimeInMS;
}
public float seconds() {
return this.elapsedTimeInMS / 1000F;
}
public String name() { return this.name; }
/**
* Adds the value of another timer to this one
* @param otherTimer
*/
public MyTimer add(MyTimer otherTimer) {
this.elapsedTimeInMS += otherTimer.ms();
return this;
}
public MyTimer add(String name) {
this.elapsedTimeInMS += get(name).ms();
return this;
}
public String toString() {
return Float.toString(seconds()) + "s";
}
}
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