OSID - osid.resource.demographic.DemographicNotificationSession Service Interface Definition

Interface	osid.resource.demographic.DemographicNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `Demographic` objects in this `Bin.` This also includes existing `Demographics` that may appear or disappear due to changes in the `Bin` 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 `DemographicLookupSession.`
Method	getBinId
Description	Gets the `Bin` `Id` associated with this session.
Return	`osid.id.Id`		the `Bin Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getBin
Description	Gets the `Bin` associated with this session.
Return	`osid.resource.Bin`		the bin
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canRegisterForDemographicNotifications
Description	Tests if this user can register for `Demographic` 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	useFederatedBinView
Description	Federates the view for methods in this session. A federated view will include in bins which are children of this bin in the bin hierarchy.
Compliance	`mandatory`		This method is must be implemented.
Method	useIsolatedBinView
Description	Isolates the view for methods in this session. An isolated view restricts notifications to this bin only.
Compliance	`mandatory`		This method is must be implemented.
Method	registerForNewDemographics
Description	Register for notifications of new demographics. `DemographicReceiver.newDemographics()` is invoked when a new `Demographic` appears in this bin.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedDemographics
Description	Registers for notification of updated demographics. `DemographicReceiver.changedDemographics()` is invoked when a demographic in this bin is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedDemographic
Description	Registers for notification of an updated demographic. `ProvisionableReceiver.changedDemographics()` is invoked when the specified demographic in this bin is changed.
Parameters	`osid.id.Id`	`demographicId`	the `Id` of the `Demographic` to monitor
Errors	NULL_ARGUMENT		`demographicId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedDemographics
Description	Registers for notification of deleted demographics. `DemographicReceiver.deletedDemographics()` is invoked when a demographic is deleted or removed from this bin.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedDemographic
Description	Registers for notification of a deleted demographic. `DemographicReceiver.deletedDemographics()` is invoked when the specified demographic is deleted or removed from this bin.
Parameters	`osid.id.Id`	`demographicId`	the `Id` of the `Demographic` to monitor
Errors	NULL_ARGUMENT		`demographicId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.