OSID - osid.blogging.BlogNotificationSession Service Interface Definition

Interface	osid.blogging.BlogNotificationSession
Implements	`osid.OsidSession`
Description	This session defines methods to receive notifications on adds/changes to `Blog` objects. This session is intended for consumers needing to synchronize their entry with this service without the use of polling. Notifications are cancelled when this session is closed.
Method	canRegisterForBlogNotifications
Description	Tests if this user can register for `Blog` 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	reliableBlogNotifications
Description	Reliable notifications are desired. In reliable mode, notifications are to be acknowledged using `acknowledgeBlogNotification()` .
Compliance	`mandatory`		This method is must be implemented.
Method	unreliableBlogNotifications
Description	Unreliable notifications are desired. In unreliable mode, notifications do not need to be acknowledged.
Compliance	`mandatory`		This method is must be implemented.
Method	acknowledgeBlogNotification
Description	Acknowledge a blog 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	registerForNewBlogs
Description	Register for notifications of new blogs. `BlogReceiver.newBlogs()` is invoked when a new `Blog` is created.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBlogs
Description	Registers for notification of updated blogs. `BlogReceiver.changedBlogs()` is invoked when a blog is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBlog
Description	Registers for notification of an updated blog. `BlogReceiver.changedBlogs()` is invoked when the specified blog is changed.
Parameters	`osid.id.Id`	`blogId`	the `Id` of the Blog to monitor
Errors	NULL_ARGUMENT		`blogId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedBlogs
Description	Registers for notification of deleted blogs. `BlogReceiver.deletedBlogs()` is invoked when a blog is deleted.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedBlog
Description	Registers for notification of a deleted blog. `BlogReceiver.deletedBlogs()` is invoked when the specified blog is deleted.
Parameters	`osid.id.Id`	`blogId`	the `Id` of the `Blog` to monitor
Errors	NULL_ARGUMENT		`blogId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBlogHierarchy
Description	Registers for notification of an updated blog hierarchy structure. `BlogReceiver.changedChildOfBlogs()` 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	registerForChangedBlogHierarchyForAncestors
Description	Registers for notification of an updated blog hierarchy structure. `BlogReceiver.changedChildOfBlogs()` is invoked when the specified node or any of its ancestors experiences a change in its children.
Parameters	`osid.id.Id`	`blogId`	the `Id` of the `Blog` node to monitor
Errors	NULL_ARGUMENT		`blogId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedBlogHierarchyForDescendants
Description	Registers for notification of an updated blog hierarchy structure. `BlogReceiver.changedChildOfBlogs()` is invoked when the specified node or any of its descendants experiences a change in its children.
Parameters	`osid.id.Id`	`blogId`	the `Id` of the `Blog` node to monitor
Errors	NULL_ARGUMENT		`blogId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.