Calendars

A calendar represents a numeric value that is varying over time.

Different other models refer to calendars for any property that changes over time:

  • A location refers to a calendar to define the working hours and holidays.

  • A resource refers to a calendar to define the working hours and holidays.

  • A supplier refers to a calendar to define the working hours and holidays.

  • An operation refers to a calendar to define the working hours and holidays.

  • A resource refers to a calendar to define the efficiency varying over time.

  • A resource refers to a calendar to define the resource size varying over time.

  • A buffer refers to a calendar to define the safety stock varying over time.

Field

Type

Description

name

non-empty string

Unique name of the calendar. This is the key field and a required attribute.

default

double

The default value of the calendar when no bucket is effective.

A calendar has multiple calendar buckets to define the values over time.

The following rules define which entry is valid at a certain time:

  • A bucket is only valid from its “start date” (inclusive) till its “end date” (exclusive).
    Outside of this date range a bucket is never selected.
  • If multiple bucket are effective on a date, the one with the lowest “priority” value is taken.
    In case buckets have the same priority, the value of the bucket with the latest start date is selected.
  • In case no bucket is effective on a certain date, the calendar will return the “default” value.