Beispiel #1
1
 /**
  * Exactly divides this frequency by another.
  *
  * <p>This calculates the integer division of this frequency by the specified frequency. If the
  * result is not an integer, an exception is thrown.
  *
  * <p>Month-based and year-based periodic frequencies are calculated by dividing the total number
  * of months. For example, P6M divided by P3M results in 2, and P2Y divided by P6M returns 4.
  *
  * <p>Day-based and week-based periodic frequencies are calculated by dividing the total number of
  * days. For example, P26W divided by P13W results in 2, and P2W divided by P1D returns 14.
  *
  * <p>The 'Term' frequency throws an exception.
  *
  * @param other the other frequency to divide into this one
  * @return this frequency divided by the other frequency
  * @throws IllegalArgumentException if the frequency does not exactly divide into this one
  */
 public int exactDivide(Frequency other) {
   ArgChecker.notNull(other, "other");
   if (isMonthBased() && other.isMonthBased()) {
     long paymentMonths = getPeriod().toTotalMonths();
     long accrualMonths = other.getPeriod().toTotalMonths();
     if ((paymentMonths % accrualMonths) == 0) {
       return Math.toIntExact(paymentMonths / accrualMonths);
     }
   } else if (period.toTotalMonths() == 0 && other.period.toTotalMonths() == 0) {
     long paymentDays = getPeriod().getDays();
     long accrualDays = other.getPeriod().getDays();
     if ((paymentDays % accrualDays) == 0) {
       return Math.toIntExact(paymentDays / accrualDays);
     }
   }
   throw new IllegalArgumentException(
       Messages.format("Frequency '{}' is not a multiple of '{}'", this, other));
 }
Beispiel #2
0
 /**
  * Parses a formatted string representing the frequency.
  *
  * <p>The format can either be based on ISO-8601, such as 'P3M' or without the 'P' prefix e.g.
  * '2W'.
  *
  * <p>The period must be positive and non-zero.
  *
  * @param toParse the string representing the frequency
  * @return the frequency
  * @throws IllegalArgumentException if the frequency cannot be parsed
  */
 @FromString
 public static Frequency parse(String toParse) {
   ArgChecker.notNull(toParse, "toParse");
   if (toParse.equalsIgnoreCase("Term")) {
     return TERM;
   }
   String prefixed = toParse.startsWith("P") ? toParse : "P" + toParse;
   try {
     return Frequency.of(Period.parse(prefixed));
   } catch (DateTimeParseException ex) {
     throw new IllegalArgumentException(ex);
   }
 }
Beispiel #3
0
 /**
  * Normalizes the months and years of this tenor.
  *
  * <p>This method returns a tenor of an equivalent length but with any number of months greater
  * than 12 normalized into a combination of months and years.
  *
  * @return the normalized tenor
  */
 public Frequency normalized() {
   Period norm = period.normalized();
   return (norm != period ? Frequency.of(norm) : this);
 }