Frequency
Type CDM 7.2.0A class for defining a date frequency, e.g. one day, three months, through the combination of an integer value and a standardized period value that is specified as part of an enumeration.
Extends —
Attributes 2
Namespace cdm.base.datetime
Attributes
All 2 declared on Frequency. Cardinality in amber is required.
| Name | Type | Card. | Description |
|---|---|---|---|
| periodMultiplier | int | 1..1 | A time period multiplier, e.g. 1, 2, or 3. If the period value is T (Term) then period multiplier must contain the value 1. |
| period | PeriodExtendedEnum | 1..1 | A time period, e.g. a day, week, month, year or term of the stream. |
Conditions
Validation rules the model enforces on this type, in Rune. An instance that breaks one of these is invalid CDM, whatever produced it.
TermPeriod Condition
FpML specifies that if period value is T (Term) then periodMultiplier must contain the value 1.
if period = PeriodExtendedEnum -> T then periodMultiplier = 1 PositivePeriodMultiplier Condition
FpML specifies periodMultiplier as a positive integer.
periodMultiplier > 0Referenced by
2 types hold a Frequency as an attribute.
Functions
Model functions that produce or consume this type. These are the CDM's own behaviour — the logic a correct implementation has to match.
| Function | Role | Description |
|---|---|---|
| MapPeriodToFrequency | returns | — |
| MapFrequency | returns | — |
| AddPeriodToDate | takes | Adds a frequency-based period to a date, adjusting for leap years. Month periods are considered as 30 days (31st month-end days are not handled). |
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