METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING AN EVENT SCHEME FOR CONTEXT MODELS

• US 20100229186A1
• Filed: 03/05/2009
• Published: 09/09/2010
• Est. Priority Date: 03/05/2009
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Sathish, Sailesh Kumar
• Granted Patent: US 8,413,168 B2
• Time in Patent Office: Days
• US Class Current: 719/318
• CPC Class Codes: G06F 9/542 Event management; Broadcasting; Multicasting; Notifications
• CPC Class Codes: G06F 9/545 where tasks reside in different layers, e.g. user- and kernel-space

Abstract

An apparatus for providing an event scheme for a context model may include a processor and a memory storing executable instructions that in response to execution by the processor cause the apparatus to at least perform operations including defining an event scheme comprising at least two phases and providing the event scheme for use in a topologically independent context model. One of the at least two phases defined may enable provision of a notification from a consumer application to a data provider and the other of the at least two phases may enable provision of a notification from the data provider to the consumer application. The context model may be configured to provide access by consumer applications to property information of data providers via the context model.

Claims

1. An apparatus comprising a processor and a memory storing executable instructions that in response to execution by the processor cause the apparatus to at least perform the following:

defining an event scheme comprising at least two phases, one of the at least two phases enabling provision of a notification from a consumer application to a data provider and the other of the at least two phases enabling provision of a notification from the data provider to the consumer application; and

providing the event scheme for use in a topologically independent context model configured to provide access by consumer applications to property information of data providers via the context model.

2. The apparatus of claim 1, wherein the instructions further cause the apparatus to provide the event scheme for use in the topologically independent context model including providing the event scheme for use within a delivery context client interface context model associated with any one of a tree based topology, a single backbone based topology or a mixed backbone-tree based topology.

3. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for the phase enabling notification from the consumer application to the data provider including defining the phase enabling provision of notification from a root node propagating to a bottom leaf node in a topology unless a specific property node is identified.

4. The apparatus of claim 3, wherein in response to identification of the specific property node, the instructions further cause the apparatus to define the event scheme including defining the phase enabling provision of notification to include defining enablement for event propagation through all nodes on a path to the specific property node identified and stopping event propagation at the specific property node identified.

5. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme including defining a topology specific event propagation path for each respective phase.

6. The apparatus of claim 5, wherein the instructions further cause the apparatus to define the event scheme to enable only the consumer application that fires an event to a particular node to stop propagation to the particular node through additional event handlers registered on the path.

7. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for the phase enabling notification from the data provider to the consumer application including defining an auxiliary root node that stops propagation in response to the auxiliary root node being encountered along a propagation path for propagation of the notification.

8. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for the phase enabling notification from the data provider to the consumer application including utilizing the phase by the data provider of a property to send the notification to one or more event listeners up to the consumer application of a corresponding context topology.

9. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for enabling an event sender to send one event to multiple properties that belong to a same property type supported by the context model.

10. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for enabling an event sender to send one event to multiple properties that satisfy a particular name space criteria.

11. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for enabling an event sender to send one event to multiple properties that satisfy a combination of predefined parametric criteria.

12. The apparatus of claim 1, wherein the instructions further cause the apparatus to define the event scheme for enabling an event sender to notify all properties in a tree structure by employing a broadcast mode.

13. A method comprising:

defining an event scheme comprising at least two phases, one of the at least two phases enabling provision of a notification from a consumer application to a data provider and the other of the at least two phases enabling provision of a notification from the data provider to the consumer application; and

providing the event scheme for use in a topologically independent context model configured to provide access by consumer applications to property information of data providers via the context model.

14. The method of claim 13, wherein providing the event scheme for use in the topologically independent context model comprises providing the event scheme for use within a delivery context client interface context model associated with any one of a tree based topology, a single backbone based topology or a mixed backbone-tree based topology.

15. The method of claim 13, wherein defining the event scheme for the phase enabling notification from the consumer application to the data provider comprises defining the phase enabling provision of notification from a root node propagating to a bottom leaf node in a topology unless a specific property node is identified.

16. The method of claim 13, wherein in response to identification of the specific property node, defining the event scheme comprises defining the phase enabling provision of notification to include defining enablement for event propagation through all nodes on a path to the specific property node identified and stopping event propagation at the specific property node identified.

17. The method of claim 13, wherein defining the event scheme for the phase enabling notification from the data provider to the consumer application comprises defining an auxiliary root node that stops propagation in response to the auxiliary root node being encountered along a propagation path for propagation of the notification.

18. The method of claim 13, wherein defining the event scheme for the phase enabling notification from the data provider to the consumer application comprises utilizing the phase by the data provider of a property to send the notification to one or more event listeners up to the consumer application of a corresponding context topology.

19. A computer program product comprising at least one computer-readable storage medium having computer-executable program code instructions stored therein, the computer-executable program code instruction comprising:

program code instructions for defining an event scheme comprising at least two phases, one of the at least two phases enabling provision of a notification from a consumer application to a data provider and the other of the at least two phases enabling provision of a notification from the data provider to the consumer application; and

program code instructions for providing the event scheme for use in a topologically independent context model configured to provide access by consumer applications to property information of data providers via the context model.

20. The computer program product of claim 19, wherein program code instructions for providing the event scheme for use in the topologically independent context model include instructions for providing the event scheme for use within a delivery context client interface context model associated with any one of a tree based topology, a single backbone based topology or a mixed backbone-tree based topology.