OSID - osid.acknowledgement.BillingNotificationSession Service Interface Definition

Interface	osid.acknowledgement.BillingNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `Billing` 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. Notifications are triggered with changes to the `Billing` object itself. Adding and removing credits result in notifications available from the notification session for credits.
Method	canRegisterForBillingNotifications
Description	Tests if this user can register for `Billing` 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	reliableBillingNotifications
Description	Reliable notifications are desired. In reliable mode, notifications are to be acknowledged using `acknowledgeBillingNotification()` .
Compliance	`mandatory`		This method is must be implemented.
Method	unreliableBillingNotifications
Description	Unreliable notifications are desired. In unreliable mode, notifications do not need to be acknowledged.
Compliance	`mandatory`		This method is must be implemented.
Method	acknowledgeBillingNotification
Description	Acknowledge a billing 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	registerForNewBillings
Description	Register for notifications of new billings. `BillingReceiver.newBillings()` is invoked when a new `Billing` is created.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBillings
Description	Registers for notification of updated billings. `BillingReceiver.changedBillings()` is invoked when a billing is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBilling
Description	Registers for notification of an updated billing. `BillingReceiver.changedBillings()` is invoked when the specified billing is changed.
Parameters	`osid.id.Id`	`billingId`	the `Id` of the `Billing` to monitor
Errors	NULL_ARGUMENT		`billingId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedBillings
Description	Registers for notification of deleted billings. `BillingReceiver.deletedBillings()` is invoked when a billing is deleted.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedBilling
Description	Registers for notification of a deleted billing. `BillingReceiver.deletedBillings()` is invoked when the specified billing is deleted.
Parameters	`osid.id.Id`	`billingId`	the `Id` of the `Billing` to monitor
Errors	NULL_ARGUMENT		`billingId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBillingHierarchy
Description	Registers for notification of an updated billing hierarchy structure. `BillingReceiver.changedChildOfBillings()` is invoked when a node experiences a change in its children.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBillingHierarchyForAncestors
Description	Registers for notification of an updated billing hierarchy structure. `BillingReceiver.changedChildOfBillings()` is invoked when the specified node or any of its ancestors experiences a change in its children.
Parameters	`osid.id.Id`	`billingId`	the `Id` of the `Billing` node to monitor
Errors	NULL_ARGUMENT		`billingId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBillingHierarchyForDescendants
Description	Registers for notification of an updated billing hierarchy structure. `BillingReceiver.changedChildOfBillings()` is invoked when the specified node or any of its descendants experiences a change in its children.
Parameters	`osid.id.Id`	`billingId`	the `Id` of the `Billing` node to monitor
Errors	NULL_ARGUMENT		`billingId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.