Examples of ch.agent.t2.time.DateTime

ch.agent.t2.time.TimeDomain
A DateTime is a {@link Time2} with second resolution and the origin at2000-01-01. For times before the origin, {@link TimeIndex#asOffset()} will returnnegative values. The domain label is datetime.
This time corresponds to Unix time, except for the "epoch", 2000-01-01 instead of 1970-01-01. @author Jean-Paul Vetterli

      if (DUMP)
        System.out.println(t.getTimeDomain() + " " + s.getRange());
      assertEquals(9, s.getRange().getSize());
      if (DUMP)
        System.out.println(s.getValues(null));
      boolean done = s.setRange(new Range(t.getTimeDomain(), "2011-03-12", "2011-03-17", Adjustment.NONE));
      if (DUMP)
        System.out.println(s.getValues(null));
      assertFalse(done);
      done = s.setRange(new Range(t.getTimeDomain(), "2011-03-12", "2011-03-16", Adjustment.NONE));
      s.applyUpdates();
      if (DUMP)
        System.out.println(s.getValues(null));
      assertEquals(3, s.getRange().getSize());
      done = s.setRange(null);

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    }
    if (basePeriodPattern != null)
      time = basePeriodPattern.expandIndex(time);
    
    TimeParts tp = new TimeParts();
    Resolution unit = this.baseUnit;
    switch (unit) {
    case YEAR:
      tp.setYear(time);
      break;
    case MONTH:
      tp.setYear(time / 12);
      tp.setMonth((int) (time - tp.getYear() * 12) + 1);
      break;
    case DAY:
      TimeTools.computeYMD(time, tp);
      break;
    case HOUR:
      long days = time / 24;
      tp.setHour((int) (time - days * 24));
      TimeTools.computeYMD(days, tp);
      break;
    case MIN:
      days = time/ (24 * 60);
      long minutes = time - days * 24 * 60;
      tp.setHour((int)(minutes / 60));
      tp.setMin((int) (minutes - tp.getHour() * 60));
      TimeTools.computeYMD(days, tp);
      break;
    case SEC:
      days = time / (24 * 60 * 60);
      long seconds = time - days * 24L * 60L * 60L;
      TimeTools.computeYMD(days, tp);
      TimeTools.computeHMS(seconds, tp);
      break;
    case MSEC:
      days = time / (24L * 60L * 60L * 1000L);
      long millis = time - days * 24L * 60L * 60L * 1000L;
      seconds = millis / 1000L;
      tp.setUsec((int) (millis - seconds * 1000L) * 1000);
      TimeTools.computeYMD(days, tp);
      TimeTools.computeHMS(seconds, tp);
      break;
    case USEC:
      days = time / (24L * 60L * 60L * 1000000L);
      long micros = time - days * 24L * 60L * 60L * 1000000L;
      seconds = micros / 1000000L;
      tp.setUsec((int) (micros - seconds * 1000000L));
      TimeTools.computeYMD(days, tp);
      TimeTools.computeHMS(seconds, tp);
      break;
    default:
      throw new RuntimeException("bug: " + unit.name());
    }
    
    if (subPeriodPattern != null) {
      // there is something to do even when subPeriod = 0
      subPeriodPattern.fillInSubPeriod(subPeriod, tp);

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   * @param domain a non-null time domain
   * @return the current time
   */
  public static TimeIndex now(TimeDomain domain) {
    try {
      TimeIndex t = new SystemTime();
      return t.convert(domain, Adjustment.DOWN);
    } catch (T2Exception e) {
      // should not occur because of the adjustment
      throw new RuntimeException(e);
    }
  }

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    long index = m.asLong() * 24L * 3600000L;
    return index = index - epoch;
  }
  
  private static long dayOrLessToMillisecSinceEpoch (TimeIndex t) throws T2Exception {
    long index = new SystemTime(t.toString()).asLong();
    return index - epoch;
  }

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  private static final String SELECT_RANGE = 
    "select min(date), max(date) from " + DB.VALUE_DOUBLE + " where series = ?";
  @Override
  public Range getRange(Series<Double> series) throws T2DBException {
    Range range = null;
    TimeDomain timeDomain = series.getTimeDomain();
    try {
      select_range = open(SELECT_RANGE, series, select_range);
      select_range.setInt(1, getId(series));
      ResultSet rs = select_range.executeQuery();
      if (rs.next()) {
        range = new Range(timeDomain.timeFromOffset(rs.getInt(1)), timeDomain.timeFromOffset(rs.getInt(2)));
        if (rs.wasNull())
          range = null;
      }
    } catch (Exception e) {
      throw T2DBJMsg.exception(e, J.J50122, series.getName(true));

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        select_first_double2.setInt(1, sid);
        select_first_double2.setInt(2, sid);
        rs = select_first_double2.executeQuery();
      }
      if (rs.next()) {
        TimeDomain dom = time == null ? series.getTimeDomain() : time.getTimeDomain();
        TimeIndex t = dom.timeFromOffset(rs.getInt(1));
        obs = new Observation<Double>(t, rs.getDouble(2));
      }
    } catch (Exception e) {
        throw T2DBJMsg.exception(e, J.J50123, series.getName(true), time.toString());
    } finally {

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        select_last_double2.setInt(1, sid);
        select_last_double2.setInt(2, sid);
        rs = select_last_double2.executeQuery();
      }
      if (rs.next()) {
        TimeDomain dom = time == null ? series.getTimeDomain() : time.getTimeDomain();
        TimeIndex t = dom.timeFromOffset(rs.getInt(1));
        obs = new Observation<Double>(t, rs.getDouble(2));
      }
    } catch (Exception e) {
        throw T2DBJMsg.exception(e, J.J50124, series.getName(true), time.toString());
    } finally {

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   * @param context non-null range
   * @return a range
   * @throws T2Exception
   */
  public Range getRange(Range context) throws T2Exception {
    TimeDomain contextDomain = context.getTimeDomain();
    if (beginExpr == null) {
      return new Range(contextDomain);
    } else {
      // be more permissive with context and fix ranges invalidated by conversion
      TimeIndex begin = beginExpr.getDate(context);

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    } else {
      int compareResols = getTimeDomain().getResolution().compareTo(otherTime.getTimeDomain().getResolution());
      if (compareResols == 0) {
        // convert  both to unrestricted domain
        TimeDomainDefinition def = new TimeDomainDefinition(null, getTimeDomain().getResolution(), 0L);
        TimeDomain unrestrictedDomain = TimeDomainManager.getFactory().get(def, true);
        TimeIndex converted = convertOrThrowRTE(unrestrictedDomain, this);
        TimeIndex otherConverted = convertOrThrowRTE(unrestrictedDomain, otherTime);
        return converted.compareTo(otherConverted);
      } else if (compareResols < 0) {
        // convert  both to highest resolution
        TimeDomainDefinition def = new TimeDomainDefinition(null, otherTime.getTimeDomain().getResolution(), 0L);
        TimeDomain unrestrictedDomain = TimeDomainManager.getFactory().get(def, true);
        TimeIndex converted = convertOrThrowRTE(unrestrictedDomain, this);
        return converted.compareTo(otherTime);
      } else {
        // convert  both to highest resolution
        TimeDomainDefinition def = new TimeDomainDefinition(null, getTimeDomain().getResolution(), 0L);
        TimeDomain unrestrictedDomain = TimeDomainManager.getFactory().get(def, true);
        TimeIndex otherConverted = convertOrThrowRTE(unrestrictedDomain, otherTime);
        return compareTo(otherConverted);
      }
    }
  }

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    return d;
  }


  @Override
  public TimeDomain get(String label) throws T2Exception {
    TimeDomain domain = domains.get(label);
    if (domain == null)
      throw T2Msg.exception(K.T0006, label, getTimeDomainLabels().toString());
    return domain;
  }

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