OSID - osid.tracking.FrontOfficeNotificationSession Service Interface Definition

Interface	osid.tracking.FrontOfficeNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `FrontOffice` objects. 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.
Method	canRegisterForFrontOfficeNotifications
Description	Tests if this user can register for `FrontOffice` 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	registerForNewFrontOffices
Description	Register for notifications of new frontOffices. `FrontOfficeReceiver.newFrontOffices()` is invoked when a new `FrontOffice` is created.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForNewFrontOfficeAncestors
Description	Registers for notification if an ancestor is added to the specified front office in the front office hierarchy. `FrontOfficeReceiver.newFrontOfficeAncestor()` is invoked when the specified front office experiences an addition in ancestry.
Parameters	`osid.id.Id`	`frontOfficeId`	the `Id` of the front office to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForNewFrontOfficeDescendants
Description	Registers for notification if a descendant is added to the specified front office in the front office hierarchy. `FrontOfficeReceiver.newFrontOfficeDescendant()` is invoked when the specified front office experiences an addition in descendants.
Parameters	`osid.id.Id`	`frontOfficeId`	the `Id` of the front office to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedFrontOffices
Description	Registers for notification of updated frontOffices. `FrontOfficeReceiver.changedFrontOffices()` is invoked when a front office is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedFrontOffice
Description	Registers for notification of an updated front office. `FrontOfficeReceiver.changedFrontOffices()` is invoked when the specified front office is changed.
Parameters	`osid.id.Id`	`frontOfficeId`	the Id of the `FrontOffice` to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedFrontOffices
Description	Registers for notification of deleted frontOffices. `FrontOfficeReceiver.deletedFrontOffices()` is invoked when a front office is deleted.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedFrontOffice
Description	Registers for notification of a deleted front office. `FrontOfficeReceiver.deletedFrontOffices()` is invoked when the specified front office is deleted.
Parameters	`osid.id.Id`	`frontOfficeId`	the `Id` of the `FrontOffice` to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedFrontOfficeAncestors
Description	Registers for notification if an ancestor is removed from the specified front office in the front office hierarchy. `FrontOfficeReceiver.deletedFrontOfficeAncestor()` is invoked when the specified front office experiences a removal of an ancestor.
Parameters	`osid.id.Id`	`frontOfficeId`	the `Id` of the front office to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedFrontOfficeDescendants
Description	Registers for notification if a descendant is removed from fthe specified front office in the front office hierarchy. `FrontOfficeReceiver.deletedFrontOfficeDescednant()` is invoked when the specified front office experiences a removal of one of its descdendents.
Parameters	`osid.id.Id`	`frontOfficeId`	the `Id` of the front office to monitor
Errors	NULL_ARGUMENT		`frontOfficeId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.