OSID - osid.ontology.Subject Service Interface Definition

Interface	osid.ontology.Subject
Implements	`osid.OsidObject`
Implements	`osid.Federateable`
Used By	`osid.course.requisite.CourseRequirement`
	`osid.ontology.Relevancy`
	`osid.ontology.SubjectAdminSession`
	`osid.ontology.SubjectList`
	`osid.ontology.SubjectLookupSession`
	`osid.ontology.SubjectNode`
	`osid.tracking.Issue`
Description	A `Subject` represents a span of time and an optional location. Subjects may be managed individually, or in repeatable sets using `RecuringSubject`.
Method	getCode
Description	Gets a code associated with this subject.
Return	`string`		the subject code
Compliance	`mandatory`		This method must be implemented.
Method	getSubjectRecord
Description	Gets the subject record corresponding to the given `Subject` record `Type`.This method is used to retrieve an object implementing the requested record. The `subjectRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(subjectRecordType)` is `true`.
Parameters	`osid.type.Type`	`subjectRecordType`	the type of the record to retrieve
Return	`osid.ontology.records.SubjectRecord`		the subject record
Errors	NULL_ARGUMENT		`subjectRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(subjectRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.