/** {@inheritDoc} */
@Override
public boolean test(AisPacket p) {
PositionTime pos = p.tryGetPositionTime();
if (pos == null) {
return false;
}
boolean updateDistance =
minDistanceInMeters != null
&& (latestPosition == null
|| latestPosition.rhumbLineDistanceTo(pos) >= minDistanceInMeters);
boolean updateDuration =
minDurationInMS != null
&& (latestTimestamp == null || pos.getTime() - latestTimestamp >= minDurationInMS);
if (!updateDistance && !updateDuration) {
return false;
}
// update latest positions
latestPosition = pos;
latestTimestamp = pos.getTime();
return true;
}
/** {@inheritDoc} */
@Override
public boolean test(AisPacket element) {
AisMessage m = element.tryGetAisMessage();
return m != null && test(m);
}