OSID - osid.profile.ProfileItemNotificationSession Service Interface Definition

Interface	osid.profile.ProfileItemNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive asynchronous notifications on adds/changes to `ProfileItem` 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. The two views defined in this session correspond to the views in the `ProfileItemLookupSession.`
Method	getProfileId
Description	Gets the `Profile` `Id` associated with this session.
Return	`osid.id.Id`		the `Profile Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getProfile
Description	Gets the `Profile` associated with this session.
Return	`osid.profile.Profile`		the `Profile` associated with this session
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canRegisterForProfileItemNotifications
Description	Tests if this user can register for `ProfileItem` 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	useFederatedProfileView
Description	Federates the view for methods in this session. A federated view will include items in profiles which are children of this profile in the profile hierarchy.
Compliance	`mandatory`		This method is must be implemented.
Method	useIsolatedProfileView
Description	Isolates the view for methods in this session. An isolated view restricts notifications to this profile only.
Compliance	`mandatory`		This method is must be implemented.
Method	reliableProfileItemNotifications
Description	Reliable notifications are desired. In reliable mode, notifications are to be acknowledged using `acknowledgeProfileItemNotification()` .
Compliance	`mandatory`		This method is must be implemented.
Method	unreliableProfileItemNotifications
Description	Unreliable notifications are desired. In unreliable mode, notifications do not need to be acknowledged.
Compliance	`mandatory`		This method is must be implemented.
Method	acknowledgeProfileItemNotification
Description	Acknowledge a profile item 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	registerForNewProfileItems
Description	Register for notifications of new pofile items. `ProfileItemReceiver.newProfileItems()` is invoked when a new ProfileItem is created.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedProfileItems
Description	Registers for notification of updated profile items. `ProfileItemReceiver.changedProfileItems()` is invoked when a profile item is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedProfileItem
Description	Registers for notification of an updated profile item. `ProfileItemReceiver.changedProfileItems()` is invoked when the specified profile item is changed.
Parameters	`osid.id.Id`	`profileItemId`	the `Id` of the `ProfileItem` to monitor
Errors	NULL_ARGUMENT		`profileItemId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedProfileItems
Description	Registers for notification of deleted profile items. `ProfileItemReceiver.deletedProfileItems()` is invoked when a profile is removed from this profile.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedProfileItem
Description	Registers for notification of a deleted profile item. `ProfileItemReceiver.changedProfileItems()` is invoked when the specified profile item is removed from this profile.
Parameters	`osid.id.Id`	`profileItemId`	the `Id` of the `ProfileItem` to monitor
Errors	NULL_ARGUMENT		`profileItemId is null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.