package ru nsu ccfit kazantsev seminar6 stopwatch2 public class Stopwa

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package ru.nsu.ccfit.kazantsev.seminar6.stopwatch2;
public class Stopwatch implements Runnable {
private CountListener countListener;
private long countInterval;
private long time;
private boolean onAir;
private boolean toRun;
public Stopwatch(CountListener countListener) {
this(countListener, 10);
}
public Stopwatch(CountListener countListener, long countInterval) {
super();
this.countListener = countListener;
this.countInterval = countInterval;
this.toRun = true;
this.resetCount();
}
public void run() {
try {
while (toRun) {
if (this.onAir == true) {
time += this.countInterval;
countListener.count(time);
} else {
synchronized (this) {
this.wait();
}
}
Thread.sleep(countInterval);
}
} catch (InterruptedException ie) {
stopCount();
}
}
public synchronized long getCountInterval() {
return countInterval;
}
public synchronized void setCountInterval(long countInterval) {
this.countInterval = countInterval;
}
public void startCount() {
this.onAir = true;
wakeup();
}
public void stopCount() {
this.onAir = false;
}
public void resetCount() {
this.time = 0;
this.countListener.count(0);
}
public void shutdown() {
wakeup();
this.toRun = false;
Thread.currentThread().interrupt();
}
public void wakeup() {
synchronized (this) {
this.notifyAll();
}
}
}