OSID - osid.search.terms.DurationTerm Service Interface Definition

Interface	osid.search.terms.DurationTerm
Implements	`osid.search.QueryTerm`
Used By	`osid.assessment.AssessmentOfferedQueryInspector`
	`osid.assessment.AssessmentTakenQueryInspector`
	`osid.assessment.authoring.AssessmentPartQueryInspector`
	`osid.calendaring.EventQueryInspector`
	`osid.calendaring.ScheduleSlotQueryInspector`
	`osid.calendaring.TimePeriodQueryInspector`
	`osid.configuration.ValueQueryInspector`
Description	A term for a `Duration` query.
Method	getDuration
Description	Gets the `Duration` in this term.
Return	`osid.calendaring.Duration`	the duration
Errors	ILLEGAL_STATE	`isWildcard()` is `true`
Compliance	`mandatory`	This method must be implemented.