Examples of org.threeten.bp.LocalDate.minusYears()

org.threeten.bp.LocalDate.minusYears()

Returns a copy of this {@code LocalDate} with the specified period in years subtracted.

This method subtracts the specified amount from the years field in three steps:

Subtract the input years to the year field
Check if the resulting date would be invalid
Adjust the day-of-month to the last valid day if necessary

For example, 2008-02-29 (leap year) minus one year would result in the invalid date 2007-02-29 (standard year). Instead of returning an invalid result, the last valid day of the month, 2007-02-28, is selected instead.

This instance is immutable and unaffected by this method call. @param yearsToSubtract the years to subtract, may be negative @return a {@code LocalDate} based on this date with the years subtracted, not null @throws DateTimeException if the result exceeds the supported date range

    if (!TESTED_PREFIX_SET.contains(futurePrefix)) {
      LOG.debug("We recommended that you ask QR to test behaviour of IRFutureOption Volatility Surface's Expiries for prefix {}", futurePrefix);
      // The reason being that we have hard coded the behaviour of 6 consecutive months, then quarterly thereafter..
    }
    final LocalDate expiry  = FutureOptionUtils.getApproximateIRFutureOptionWithSerialOptionsExpiry(nthFuture, curveDate);
    return getMonthYearCode(expiry, expiry.minusYears(10));
  }


  /**
   * Produces the month-year string required to build ExternalId for Bloomberg ticker of Soybean Future Options,
   * which have a different set of expiry months

    String dataField = request.getDataField();
    if (endDate == null) {
      endDate = DateUtils.previousWeekDay();
    }
    if (startDate == null) {
      startDate = endDate.minusYears(1);
    }
    checkValidDateRange(startDate, endDate);
    
    Set<ExternalId> missingIdentifiers = Sets.newHashSet();
    for (ExternalId identifier : externalIds) {

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