@Test
public void testInstant() {
// millisec since epoch
long timestamp = System.currentTimeMillis();
// point in time - now!
Instant instant = Instant.now();
long secEpoch = instant.getEpochSecond();
// missing milli so divide by 1000
Assert.assertEquals(timestamp / 1000, secEpoch);
Assert.assertEquals(instant.getLong(ChronoField.INSTANT_SECONDS), secEpoch);
Instant timestampInstant = Instant.ofEpochMilli(timestamp);
Assert.assertEquals(timestamp, timestampInstant.truncatedTo(ChronoUnit.MILLIS).toEpochMilli());
// different ways to go into the future
Instant future1 = instant.plusMillis(1000);
Instant future2 = instant.plus(1000, ChronoUnit.MILLIS);
// add Duration instead of Period as this example is dealing with time
Instant future3 = instant.plus(Duration.ofMillis(1000));
Instant future4 = instant.plus(Duration.of(1000, ChronoUnit.MILLIS));
// all futures are the same!
Assert.assertEquals(future1, future2);
Assert.assertEquals(future2, future3);
Assert.assertEquals(future3, future4);
}
@Override
public boolean test(final Object ignore) {
if (_start == Instant.MIN) {
_start = _clock.instant();
}
return _start.plus(_duration).isAfter(_clock.instant());
}
/**
* @param newUid the newly scanned UID
* @param oldUid the previously scanned code
* @param lastScan the time of the last successful scan
* @return Return true if the card is different OR if the previous card was scanned over 1 second
* before
*/
private boolean isNewCard(String newUid, String oldUid, Instant lastScan) {
return !newUid.equals(oldUid)
|| lastScan == null
|| (lastScan != null && lastScan.plus(1250, ChronoUnit.MILLIS).isBefore(Instant.now()));
}