OSID - osid.course.program.CredentialNotificationSession Service Interface Definition

Interface	osid.course.program.CredentialNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `Credential` objects in this `CourseCatalog.` This also includes existing courses that may appear or disappear due to changes in the `CourseCatalog` hierarchy, This session is intended for consumers needing to synchronize their state with this service without the use of polling. Notifications are cancelled when this session is closed. The two views defined in this session correspond to the views in the `CredentialLookupSession.`
Method	getCourseCatalogId
Description	Gets the `CourseCatalog` `Id` associated with this session.
Return	`osid.id.Id`		the `CourseCatalog Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getCourseCatalog
Description	Gets the `CourseCatalog` associated with this session.
Return	`osid.course.CourseCatalog`		the course catalog
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canRegisterForCredentialNotifications
Description	Tests if this user can register for `Credential` notifications. A return of true does not guarantee successful authorization. A return of false indicates that it is known all methods in this session will result in a `PERMISSION_DENIED.` This is intended as a hint to an application that may opt not to offer notification operations.
Return	`boolean`		`false` if notification methods are not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	useFederatedCourseCatalogView
Description	Federates the view for methods in this session. A federated view will include credentials in catalogs which are children of this catalog in the course catalog hierarchy.
Compliance	`mandatory`		This method is must be implemented.
Method	useIsolatedCourseCatalogView
Description	Isolates the view for methods in this session. An isolated view restricts notifications to this course catalog only.
Compliance	`mandatory`		This method is must be implemented.
Method	reliableCredentialNotifications
Description	Reliable notifications are desired. In reliable mode, notifications are to be acknowledged using `acknowledgeCrededntialNotification()` .
Compliance	`mandatory`		This method is must be implemented.
Method	unreliableCredentialNotifications
Description	Unreliable notifications are desired. In unreliable mode, notifications do not need to be acknowledged.
Compliance	`mandatory`		This method is must be implemented.
Method	acknowledgeCredentialNotification
Description	Acknowledge a credential notification.
Parameters	`osid.id.Id`	`notificationId`	the `Id` of the notification
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForNewCredentials
Description	Register for notifications of new credentials. `CredentialReceiver.newCredentials()` is invoked when a new `Credential` appears in this course catalog.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedCredentials
Description	Registers for notification of updated credentials. `CredentialReceiver.changedCredentials()` is invoked when a credential in this course catalog is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedCredential
Description	Registers for notification of an updated credential. `CredentialReceiver.changedCredentials()` is invoked when the specified credential in this course catalog is changed.
Parameters	`osid.id.Id`	`credentialId`	the `Id` of the `Credential` to monitor
Errors	NULL_ARGUMENT		`credentialId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedCredentials
Description	Registers for notification of deleted credentials. `CredentialReceiver.deletedCredentials()` is invoked when a credential is deleted or removed from this course catalog.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedCredential
Description	Registers for notification of a deleted credential. `CredentialReceiver.deletedCredentials()` is invoked when the specified credential is deleted or removed from this course catalog.
Parameters	`osid.id.Id`	`credentialId`	the `Id` of the `Credential` to monitor
Errors	NULL_ARGUMENT		`credentialId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.