Nick Robinson, npr@bottlehall.co.uk
Extended by Tomaz Solc
This module belongs to the following groups:
Specifies that a particular event must be scheduled at the specified day and/or period.
There is no fitness function, so the "weight" and "mandatory" module options are ignored (restrictions set by this module are always mandatory).
Configuration file must define the following resource types in order to use this module:
<restriction name="fixed-day">day</restriction>
This tuple restriction specifies that the time slots at the specified day should be used to schedule the lesson. "day" must be an integer between 0 and number of days minus 1.
<restriction name="fixed-period">period</restriction>
This tuple restriction specifies that the time slots at the specified period should be used to schedule the lesson. "period" must be an integer between 0 and number of periods minus 1.