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

Interface	osid.course.requisite.CredentialRequirementForm
Implements	`osid.OsidRuleForm`
Implements	`osid.OsidAggregateableForm`
Description	This is the form for creating and updating `CredentialRequirements.` Like all `OsidForm` objects, various data elements may be set here for use in the create and update methods in the `RequisiteAdminSession.` For each data element that may be set, metadata may be examined to provide display hints or data constraints.
Method	getTimeframeMetadata
Description	Gets the metadata for the timeframe.
Return	`osid.Metadata`		metadata for the timeframe
Compliance	`mandatory`		This method must be implemented.
Method	setTimeframe
Description	Sets the timeframe.
Parameters	`osid.calendaring.Duration`	`duration`	the new duration
Errors	INVALID_ARGUMENT		`duration` is invalid
	NO_ACCESS		`Metadata.isReadOnly()` is `true`
	NULL_ARGUMENT		`duration` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	clearTimeframe
Description	Clears the timeframe.
Errors	NO_ACCESS		`Metadata.isRequired()` or `Metadata.isReadOnly()` is `true`
Compliance	`mandatory`		This method must be implemented.
Method	getCredentialRequirementFormRecord
Description	Gets the `CredentialRequirementFormRecord` corresponding to the given credential requirement record `Type.`
Parameters	`osid.type.Type`	`credentialRequirementRecordType`	a credential requirement record type
Return	`osid.course.requisite.records.CredentialRequirementFormRecord`		the credential requirement form record
Errors	NULL_ARGUMENT		`credentialRequirementRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(credentialRequirementRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.