OSID - osid.course.requisite.LearningObjectiveRequirement Service Interface Definition

Interface	osid.course.requisite.LearningObjectiveRequirement
Implements	`osid.OsidRule`
Implements	`osid.Aggregateable`
Description	A `LearningObjectiveRequirement` is an `OsidRule` and represents a requirement based on a learning `Objective.`
Method	getAltRequisites
Description	Gets any `Requisites` that may be substituted in place of this `LearningObjectiveRequirement.` All `Requisites` must be satisifed to be a substitute for this learning objective requirement. Inactive `Requisites` are not evaluated but if no applicable requisite exists, then the alternate requisite is not satisifed.
Return	`osid.course.requisite.Requisite[]`		the alternate requisites
Compliance	`mandatory`		This method must be implemented.
Method	getLearningObjectiveId
Description	Gets the `Id` of the `LearningObjective.`
Return	`osid.id.Id`		the learning objective `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getLearningObjective
Description	Gets the `LearningObjective.`
Return	`osid.learning.Objective`		the learning objective
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	hasMinimumProficiency
Description	Tests if a minimum grade in proficency is required for this learning objective.
Return	`boolean`		`true` if a minimum proficiency is required, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getMinimumProficiencyId
Description	Gets the minimum proficiency expressed as a `Grade.`
Return	`osid.id.Id`		the minimum proficiency
Errors	ILLEGAL_STATE		`hasMinimumProficiency()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getMinimumProficiency
Description	Gets the minimum proficiency expressed as a `Grade.`
Return	`osid.grading.Grade`		the minimum proficiency
Errors	ILLEGAL_STATE		`hasMinimumProficiency()` is `false`
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getLearningObjectiveRequirementRecord
Description	Gets the learning objective requirement record corresponding to the given `LearningObjectiveRequirement` record `Type.` This method is used to retrieve an object implementing the requested record. The `learningObjectiveRequirementRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(learningObjectiveRequirementRecordType)` is `true` .
Parameters	`osid.type.Type`	`learningObjectiveRequirementRecordType`	the type of learning objective requirement record to retrieve
Return	`osid.course.requisite.records.LearningObjectiveRequirementRecord`		the learning objective requirement record
Errors	NULL_ARGUMENT		`learningObjectiveRequirementRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(learningObjectiveRequirementRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.