/** Choose which datapoint to use. */
public enum TimeScale {
SEC10(TimeUnit2.SECONDS.toMillis(10)),
MIN(TimeUnit2.MINUTES.toMillis(1)),
HOUR(TimeUnit2.HOURS.toMillis(1));
/** Number of milliseconds (10 secs, 1 min, and 1 hour) that this constant represents. */
public final long tick;
TimeScale(long tick) {
this.tick = tick;
}
/** Creates a new {@link DateFormat} suitable for processing this {@link TimeScale}. */
public DateFormat createDateFormat() {
switch (this) {
case HOUR:
return new SimpleDateFormat("MMM/dd HH");
case MIN:
return new SimpleDateFormat("HH:mm");
case SEC10:
return new SimpleDateFormat("HH:mm:ss");
default:
throw new AssertionError();
}
}
/** Parses the {@link TimeScale} from the query parameter. */
public static TimeScale parse(String type) {
if (type == null) return TimeScale.MIN;
return Enum.valueOf(TimeScale.class, type.toUpperCase(Locale.ENGLISH));
}
}
/**
* Returns the interval between indexing.
*
* @return the interval between indexing.
*/
@SuppressWarnings("unused") // used by Jelly EL
public String getInterval() {
if (interval < TimeUnit2.SECONDS.toMillis(1)) {
return Long.toString(interval) + "ms";
}
if (interval < TimeUnit2.MINUTES.toMillis(1)) {
return Long.toString(TimeUnit2.MILLISECONDS.toSeconds(interval)) + "s";
}
if (interval < TimeUnit2.HOURS.toMillis(1)) {
return Long.toString(TimeUnit2.MILLISECONDS.toMinutes(interval)) + "m";
}
if (interval < TimeUnit2.DAYS.toMillis(1)) {
return Long.toString(TimeUnit2.MILLISECONDS.toHours(interval)) + "h";
}
return Long.toString(TimeUnit2.MILLISECONDS.toDays(interval)) + "d";
}