OSID - osid.financials.posting.PostNotificationSession Service Interface Definition

Interface	osid.financials.posting.PostNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `Post` objects in this `Business.` This also includes existing posts that may appear or disappear due to changes in the `Business` 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 `PostLookupSession.`
Method	getBusinessId
Description	Gets the `Business` `Id` associated with this session.
Return	`osid.id.Id`		the `Business Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getBusiness
Description	Gets the `Business` associated with this session.
Return	`osid.financials.Business`		the business
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canRegisterForPostNotifications
Description	Tests if this user can register for `Post` 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	useFederatedBusinessView
Description	Federates the view for methods in this session. A federated view will include posts in catalogs which are children of this catalog in the business hierarchy.
Compliance	`mandatory`		This method is must be implemented.
Method	useIsolatedBusinessView
Description	Isolates the view for methods in this session. An isolated view restricts notifications to this business only.
Compliance	`mandatory`		This method is must be implemented.
Method	registerForNewPosts
Description	Register for notifications of new posts. `PostReceiver.newPosts()` is invoked when a new `Post` appears in this business.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedPosts
Description	Registers for notification of updated payers. `PostReceiver.changedPosts()` is invoked when a payer in this business is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedPost
Description	Registers for notification of an updated post. `PostReceiver.changedPosts()` is invoked when the specified post in this business is changed.
Parameters	`osid.id.Id`	`postId`	the `Id` of the `Post` to monitor
Errors	NULL_ARGUMENT		`postId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedPosts
Description	Registers for notification of deleted payers. `PostReceiver.deletedPosts()` is invoked when a post is deleted or removed from this business.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedPost
Description	Registers for notification of a deleted post. `PostReceiver.deletedPosts()` is invoked when the specified post is deleted or removed from this business.
Parameters	`osid.id.Id`	`postId`	the `Id` of the `Post` to monitor
Errors	NULL_ARGUMENT		`postId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.