OSID - osid.authorization.Function Service Interface Definition

Interface	osid.authorization.Function
Implements	`osid.OsidRule`
Description	A `Function` represents an authenticatable identity. Like all OSID objects, a `Function` is identified by its `Id` and any persisted references should use the `Id.` A rule associated with the `Function` specifies conditions that can be supplied to authorization checks.
Method	getQualifierHierarchyId
Description	Gets the qualifier hierarchy `Id` for this function.
Return	`osid.id.Id`		the qualifier hierarchy `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getQualifierHierarchy
Description	Gets the qualifier hierarchy for this function.
Return	`osid.hierarchy.Hierarchy`		the qualifier hierarchy
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getFunctionRecord
Description	Gets the function record corresponding to the given `Function` record `Type.` This method is used to retrieve an object implementing the requested record. The `functionRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(functionRecordType)` is `true` .
Parameters	`osid.type.Type`	`functionRecordType`	the type of the record to retrieve
Return	`osid.authorization.records.FunctionRecord`		the function record
Errors	NULL_ARGUMENT		`functionRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(functionRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.