/**
* Prints dots at a capped rate, conflating the requested type of dot to draw if this method is
* called at a rate higher than the capped rate. The conflation works by always printing the worst
* result that occurs within the conflation period, that is, error is worse than fail which is
* worse than a pass.
*
* @param result The type of dot to draw, {@link #PASS}, {@link #FAIL} or {@link #ERROR}.
*/
private void throttledPrint(int result) {
conflatedResult = (result > conflatedResult) ? result : conflatedResult;
if (throttle.checkThrottle()) {
synchronized (printMonitor) {
switch (conflatedResult) {
default:
case PASS:
System.out.print('.');
break;
case FAIL:
System.out.print('F');
break;
case ERROR:
System.out.print('E');
break;
}
columnCount = (columnCount >= MAX_COLUMNS) ? 0 : (columnCount + 1);
if (columnCount == 0) {
System.out.print('\n');
}
conflatedResult = 0;
}
}
}
/** Continually updates the clock, until {@link #terminate()} is called. */
public void run() {
while (doSynch) {
// Perform a clock clockSynch.
try {
// Wait controlled by the throttle before doing the next synch.
throttle.throttle();
clockSyncher.synch();
log.debug(
"Clock synched, delta = "
+ clockSyncher.getDelta()
+ ", epsilon = "
+ clockSyncher.getEpsilon()
+ ".");
}
// Terminate the synch thread if the synchronization cannot be achieved.
catch (ClockSynchFailureException e) {
log.debug(
"Cannot synchronize the clock (reference service may be down). Terminating the synch thread.");
doSynch = false;
}
}
}
/**
* Creates a dot drawing feedback test listener, set by default to 80 columns at 80 dots per
* second capped rate.
*/
public ConsoleTestListener() {
throttle = new SleepThrottle();
throttle.setRate(80f);
}