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Comparing jsr166/src/main/java/util/concurrent/TimeUnit.java (file contents):
Revision 1.47 by jsr166, Sun Sep 20 17:03:23 2015 UTC vs.
Revision 1.48 by jsr166, Fri Jan 29 20:02:39 2016 UTC

# Line 6 | Line 6
6  
7   package java.util.concurrent;
8  
9 + import java.time.temporal.ChronoUnit;
10 + import java.util.Objects;
11 +
12   /**
13   * A {@code TimeUnit} represents time durations at a given unit of
14   * granularity and provides utility methods to convert across units,
# Line 361 | Line 364 | public enum TimeUnit {
364          }
365      }
366  
367 +    /**
368 +     * Converts this {@code TimeUnit} to the equivalent {@code ChronoUnit}.
369 +     *
370 +     * @return the converted equivalent ChronoUnit
371 +     * @since 9
372 +     */
373 +    public ChronoUnit toChronoUnit() {
374 +        switch (this) {
375 +        case NANOSECONDS:  return ChronoUnit.NANOS;
376 +        case MICROSECONDS: return ChronoUnit.MICROS;
377 +        case MILLISECONDS: return ChronoUnit.MILLIS;
378 +        case SECONDS:      return ChronoUnit.SECONDS;
379 +        case MINUTES:      return ChronoUnit.MINUTES;
380 +        case HOURS:        return ChronoUnit.HOURS;
381 +        case DAYS:         return ChronoUnit.DAYS;
382 +        default: throw new AssertionError();
383 +        }
384 +    }
385 +
386 +    /**
387 +     * Converts a {@code ChronoUnit} to the equivalent {@code TimeUnit}.
388 +     *
389 +     * @param chronoUnit the ChronoUnit to convert
390 +     * @return the converted equivalent TimeUnit
391 +     * @throws IllegalArgumentException if {@code chronoUnit} has no
392 +     *         equivalent TimeUnit
393 +     * @throws NullPointerException if {@code chronoUnit} is null
394 +     * @since 9
395 +     */
396 +    public static TimeUnit of(ChronoUnit chronoUnit) {
397 +        switch (Objects.requireNonNull(chronoUnit, "chronoUnit")) {
398 +        case NANOS:   return TimeUnit.NANOSECONDS;
399 +        case MICROS:  return TimeUnit.MICROSECONDS;
400 +        case MILLIS:  return TimeUnit.MILLISECONDS;
401 +        case SECONDS: return TimeUnit.SECONDS;
402 +        case MINUTES: return TimeUnit.MINUTES;
403 +        case HOURS:   return TimeUnit.HOURS;
404 +        case DAYS:    return TimeUnit.DAYS;
405 +        default:
406 +            throw new IllegalArgumentException(
407 +                "No TimeUnit equivalent for " + chronoUnit);
408 +        }
409 +    }
410 +
411   }

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