OSID - osid.provisioning.RequestTransactionNotificationSession Service Interface Definition

Interface	osid.provisioning.RequestTransactionNotificationSession
Implements	`osid.OsidSession`
Used By	`osid.provisioning.ProvisioningManager`
Used By	`osid.provisioning.ProvisioningProxyManager`
Description	This session defines methods to receive notifications on adds/changes to `RequestTransaction` objects in this `Distributor` . This also includes existing request transactions that may appear or disappear due to changes in the `Distributor` 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 `RequestTransactionLookupSession` .
Method	getDistributorId
Description	Gets the `Distributor` `Id` associated with this session.
Return	`osid.id.Id`		the `Distributor Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getDistributor
Description	Gets the `Distributor` associated with this session.
Return	`osid.provisioning.Distributor`		the distributor
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canRegisterForRequestTransactionNotifications
Description	Tests if this user can register for `RequestTransaction` 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	useFederatedDistributorView
Description	Federates the view for methods in this session. A federated view will include request transactions in distributors which are children of this distributor in the distributor hierarchy.
Compliance	`mandatory`		This method is must be implemented.
Method	useIsolatedDistributorView
Description	Isolates the view for methods in this session. An isolated view restricts notifications to this distributor only.
Compliance	`mandatory`		This method is must be implemented.
Method	reliableRequestTransactionNotifications
Description	Reliable notifications are desired. In reliable mode, notifications are to be acknowledged using `acknowledgeRequestTransactionNotification()` .
Compliance	`mandatory`		This method is must be implemented.
Method	unreliableRequestTransactionNotifications
Description	Unreliable notifications are desired. In unreliable mode, notifications do not need to be acknowledged.
Compliance	`mandatory`		This method is must be implemented.
Method	acknowledgeRequestTransactionNotification
Description	Acknowledge a request transaction 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	registerForNewRequestTransactions
Description	Register for notifications of new request transactions. `RequestTransactionReceiver.newRequestTransactions()` is invoked when a new `RequestTransaction` appears in this distributor.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedRequestTransactions
Description	Registers for notification of updated request transactions. `RequestTransactionReceiver.changedRequestTransactions()` is invoked when a request transaction in this distributor is changed.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForChangedRequestTransaction
Description	Registers for notification of an updated request transaction. `RequestTransactionReceiver.changedRequestTransactions()` is invoked when the specified request transaction in this distributor is changed.
Parameters	`osid.id.Id`	`requestTransactionId`	the `Id` of the `RequestTransaction` to monitor
Errors	NULL_ARGUMENT		`requestTransactionId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedRequestTransactions
Description	Registers for notification of deleted request transactions. `RequestTransactionReceiver.deletedRequestTransactions()` is invoked when a request transaction is deleted or removed from this distributor.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	registerForDeletedRequestTransaction
Description	Registers for notification of a deleted request transaction. `RequestTransactionReceiver.deletedRequestTransactions()` is invoked when the specified request transaction is deleted or removed from this distributor.
Parameters	`osid.id.Id`	`requestTransactionId`	the `Id` of the `RequestTransaction` to monitor
Errors	NULL_ARGUMENT		`requestTransactionId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.