Examples of org.threeten.bp.temporal.Temporal

org.threeten.bp.temporal.Temporal
Framework-level interface defining read-write access to a temporal object, such as a date, time, offset or some combination of these.
This is the base interface type for date, time and offset objects that are complete enough to be manipulated using plus and minus. It is implemented by those classes that can provide and manipulate information as {@link TemporalField fields} or {@link TemporalQuery queries}. See {@link TemporalAccessor} for the read-only version of this interface.
Most date and time information can be represented as a number. These are modeled using {@code TemporalField} with the number held usinga {@code long} to handle large values. Year, month and day-of-month aresimple examples of fields, but they also include instant and offsets. See {@link ChronoField} for the standard set of fields.
Two pieces of date/time information cannot be represented by numbers, the {@link Chronology chronology} and the {@link ZoneId time-zone}. These can be accessed via {@link #query(TemporalQuery) queries} usingthe static methods defined on {@link TemporalQueries}.
This interface is a framework-level interface that should not be widely used in application code. Instead, applications should create and pass around instances of concrete types, such as {@code LocalDate}. There are many reasons for this, part of which is that implementations of this interface may be in calendar systems other than ISO. See {@link ChronoLocalDate} for a fuller discussion of the issues.
When to implement

A class should implement this interface if it meets three criteria:
- it provides access to date/time/offset information, as per {@code TemporalAccessor}
- the set of fields are contiguous from the largest to the smallest
- the set of fields are complete, such that no other field is needed to define the valid range of values for the fields that are represented
Four examples make this clear:
- {@code LocalDate} implements this interface as it represents a set of fieldsthat are contiguous from days to forever and require no external information to determine the validity of each date. It is therefore able to implement plus/minus correctly.
- {@code LocalTime} implements this interface as it represents a set of fieldsthat are contiguous from nanos to within days and require no external information to determine validity. It is able to implement plus/minus correctly, by wrapping around the day.
- {@code MonthDay}, the combination of month-of-year and day-of-month, does not implement this interface. While the combination is contiguous, from days to months within years, the combination does not have sufficient information to define the valid range of values for day-of-month. As such, it is unable to implement plus/minus correctly.
- The combination day-of-week and day-of-month ("Friday the 13th") should not implement this interface. It does not represent a contiguous set of fields, as days to weeks overlaps days to months.
Specification for implementors
This interface places no restrictions on the mutability of implementations, however immutability is strongly recommended. All implementations must be {@link Comparable}.

                    nanos += NANOS_PER_SECOND;
                } else if (secs < 0 && nanos > 0) {
                    nanos -= NANOS_PER_SECOND;
                } else if (secs == 0 && nanos != 0) {
                    // two possible meanings for result, so recalculate secs
                    Temporal adjustedEnd = endExclusive.with(NANO_OF_SECOND, startNos);
                    secs = startInclusive.until(adjustedEnd, SECONDS);;
                }
            } catch (DateTimeException ex2) {
                // ignore and only use seconds
            } catch (ArithmeticException ex2) {

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/** Returns last weekday in current month */
public class LastWeekdayAdjuster implements TemporalAdjuster {


  @Override
  public Temporal adjustInto(Temporal temporal) {
    final Temporal unadjustedLastDayInMonth = temporal.with(TemporalAdjusters.lastDayOfMonth());
    DayOfWeek lastWeekday = DayOfWeek.from(unadjustedLastDayInMonth);
    if (lastWeekday.equals(DayOfWeek.SATURDAY) || lastWeekday.equals(DayOfWeek.SUNDAY)) {
      return unadjustedLastDayInMonth.with(TemporalAdjusters.previous(DayOfWeek.FRIDAY));
    } else {
      return unadjustedLastDayInMonth;
    }
  }

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   */
  private final Set<Month> _futureQuarters = EnumSet.of(Month.MARCH, Month.JUNE, Month.SEPTEMBER, Month.DECEMBER);


  @Override
  public Temporal adjustInto(Temporal temporal) {
    Temporal result = temporal;
    do {
      result = result.plus(1, MONTHS);
    } while (!_futureQuarters.contains(Month.from(result)));
    return result;
  }

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    toFudgeMsg(serializer, object, msg);
    return msg;
  }


  public static void toFudgeMsg(final FudgeSerializer serializer, final FlexiDateTime object, final MutableFudgeMsg msg) {
    Temporal best = object.toBest();
    best = (best instanceof ZonedDateTime ? ((ZonedDateTime) best).toOffsetDateTime() : best);
    addToMessage(msg, DATETIME_FIELD_NAME, best);
    ZoneId zone = object.getZone();
    if (zone != null && zone instanceof ZoneOffset == false) {
      addToMessage(msg, ZONE_FIELD_NAME, zone);

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  public static LocalDate getPreviousIMMDate(final LocalDate date) {
    final TemporalAdjuster adjuster = new TemporalAdjuster() {
      @Override
      public Temporal adjustInto(final Temporal temporal) {
        Temporal adjusted = temporal;
        do {
          adjusted = adjusted.minus(1, ChronoUnit.MONTHS);
        } while (!IMM_MONTHS.contains(Month.from(adjusted)));
        return adjusted;
      }
    };
    return date.with(adjuster);

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Examples of org.threeten.bp.temporal.Temporal

When to implement

Specification for implementors

Related Classes of org.threeten.bp.temporal.Temporal