/**
* Returns all values since last check and removes values from the queue.
*
* @return a new array with the value; never null
*/
@Override
public List<T> getValue() {
synchronized (buffer) {
if (buffer.isEmpty()) return Collections.emptyList();
// period allowed time = latest - msCache / 1000
TimeInterval periodAllowed =
cachedPeriod.before(TimeStamp.asTimestamp(TimeSupport.timestampOf(buffer.getLast())));
while (!buffer.isEmpty()
&& !periodAllowed.contains(
TimeStamp.asTimestamp(TimeSupport.timestampOf(buffer.getFirst())))) {
// Discard value
buffer.removeFirst();
}
return new ArrayList<T>(buffer);
}
}
@Override
public BigDecimal marshal(TimeStamp v) throws Exception {
return new BigDecimal(v.getNanoSec()).scaleByPowerOfTen(-9).add(new BigDecimal(v.getSec()));
}
@Override
public TimeStamp unmarshal(BigDecimal v) throws Exception {
return TimeStamp.time(
v.longValue(), v.remainder(new BigDecimal(1)).scaleByPowerOfTen(9).intValue());
}
