OSID - osid.grading.Grade Service Interface Definition

Interface	osid.grading.Grade
Implements	`osid.OsidObject`
Implements	`osid.Subjugateable`
Description	A `Grade.` Grades represent qualified performance levels defined within some grading system.
Method	getGradeSystemId
Description	Gets the `GradeSystem Id` in which this grade belongs.
Return	`osid.id.Id`		the grade system `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getGradeSystem
Description	Gets the `GradeSystem` in which this grade belongs.
Return	`osid.grading.GradeSystem`		the grade system
Compliance	`mandatory`		This method must be implemented.
Method	getInputScoreStartRange
Description	Gets the low end of the input score range equivalent to this grade.
Return	`decimal`		the start range
Compliance	`mandatory`		This method must be implemented.
Method	getInputScoreEndRange
Description	Gets the high end of the input score range equivalent to this grade.
Return	`decimal`		the end range
Compliance	`mandatory`		This method must be implemented.
Method	getOutputScore
Description	Gets the output score for this grade used for calculating cumultives or performing articulation.
Return	`decimal`		the output score
Compliance	`mandatory`		This method must be implemented.
Method	getGradeRecord
Description	Gets the grade record corresponding to the given `Grade` record `Type.` This method is used to retrieve an object implementing the requested record. The `gradeRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(gradeRecordType)` is `true` .
Parameters	`osid.type.Type`	`gradeRecordType`	the type of the record to retrieve
Return	`osid.grading.records.GradeRecord`		the grade record
Errors	NULL_ARGUMENT		`gradeRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(gradeRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.