Remote object access

• US 20040133659A1
• Filed: 10/14/2003
• Published: 07/08/2004
• Est. Priority Date: 04/18/2001
• Status: Abandoned Application

• Current Assignee: FinancialCAD Corp.
• Original Assignee: FinancialCAD Corp.
• Inventors: Glassco, David H J, Lacey, Martin M
• Application Number:
  US10/474,932
• Publication Number:
  US 20040133659A1
• Time in Patent Office: Days
• US Class Current: 709/219
• CPC Class Codes: G06F 9/465 Distributed object oriented systems remote method invocation [RMI] G06F9/548
• CPC Class Codes: G06F 9/548 Object oriented; Remote method invocation [RMI] non-remote method invocation G06F9/449

Abstract

A remote object access facility is provided. The facility obtains description of objects hosted by a remote object server. The facility then facilitates creation of local instances of the remoted hosted objects for an application, and usage of the remotely hosted objects by the application through references to the “local” instances.

Claims

1. A computing method comprising:

obtaining from a remote object server a schema describing a plurality of objects hosted by the remote object server;

facilitating creation by an application, instances of selected ones of the remotely hosted objects, using the obtained description of the selected objects; and

facilitating usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects.

2. The method of claim 1, wherein the method further comprises establishing a connection to said remote object server, and establishing a user session on said object server for a user;

and said obtaining is performed as an integral part of said establishing of the user session.

3. The method of claim 2, wherein said establishing of a connection comprises establishing a HTTP connection to said remote object server.

4. The method of claim 1, wherein said schema describes said objects using the extended Markup Language.

5. The method of claim 1, wherein said facilitating of creation of instances of said remotely hosted objects comprises creating an hierarchical model of the remotely host objects.

6. The method of claim 1, wherein said facilitating of creation of instances of said remotely hosted objects comprises creating for said application one or more object collection instances corresponding to one or more of said selected ones of said remotely hosted objects, responsive to one or more object collection instance creation requests of said application.

7. The method of claim 6, wherein said facilitating of creation of instances of said remotely hosted objects further comprises creating for said application one or more singleton object item instances corresponding to one or more of said selected ones of said remotely hosted objects as child objects of one or more of said created object collection instances, responsive to one or more singleton object item creation requests of said application.

8. The method of claim 7, wherein said one or more singleton object item creation requests comprise queries against one or more of said selected ones of said remotely hosted objects, and said singleton object item instances are created using the results of said queries.

9. The method of claim 1, wherein said facilitating of creation of instances of said remotely hosted objects comprises creating for said application one or more singleton object item instances corresponding to one or more of said selected ones of said remotely hosted objects, responsive to one or more singleton object item creation requests of said application.

10. The method of claim 9, wherein said facilitating of creation of instances of said remotely hosted objects further comprises creating for said application one or more object collection instances corresponding to one or more of said selected ones of said remotely hosted objects as child objects of one or more of said created singleton object item instances, responsive to one or more object collection creation requests of said application.

11. The method of claim 9, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects comprises submitting calculation requests to the remote object server to perform calculations involving one or more of the selected ones of the remote hosted objects, responsive to calculation requests of said application referencing corresponding ones of the singleton object item instances.

12. The method of claim 11, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects further comprises updating said corresponding ones of the singleton object item instances upon completion of requested calculation by said remote object server.

13. The method of claim 9, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects comprises updating one or more of the selected ones of the remotely hosted objects with current states of corresponding ones of the singleton object item instances, responsive to storing requests of said application referencing said corresponding ones of the singleton object item instances.

14. The method of claim 9, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects comprises restoring one or more of the singleton object item instances to current states of corresponding ones of the selected ones of the remotely hosted objects, responsive to restoring requests of said application referencing said one or more singleton object item instances.

15. The method of claim 1, wherein said facilitating of creation of instances of said remotely hosted objects comprises creating for said application one or more property elements for one or more of the created instances of said selected ones of said remotely hosted objects, responsive to one or more property element creation requests of said application.

16. The method of claim 15, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects comprises returning to said application one or more values of one or more of the created property elements of one or more of the created instances of said selected ones of said remotely hosted objects, responsive to one or more property element value requests of said application.

17. The method of claim 1, wherein the method further comprises facilitating discarding for said application said created instances of said selected ones of the remotely hosted objects.

18. A computing method comprising:

creating for an application one or more object collection instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more object collection instance creation requests of said application;

creating for said application one or more singleton object item instances corresponding to second one or more of the selected ones of said remotely hosted objects as child objects of one or more of said created object collection instances, responsive to one or more singleton object item creation requests of said application; and

facilitating usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects.

19. The method of claim 18, wherein said one or more singleton object item creation requests comprise queries against said second one or more of said selected ones of said remotely hosted objects, and said singleton object item instances are created using the results of said queries.

20. A computing method comprising:

creating for an application one or more singleton object item instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more singleton object item creation requests of said application;

creating for said application one or more object collection instances corresponding to second one or more of the selected ones of said remotely hosted objects as child objects of one or more of said created singleton object item instances, responsive to one or more object collection creation requests of said application; and

facilitating usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects.

21. The method of claim 20, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects comprises submitting calculation requests to the remote object server to perform calculations involving third one or more of the selected ones of the remote hosted objects, responsive to calculation requests of said application referencing corresponding ones of the singleton object item instances.

22. The method of claim 21, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects further comprises updating said corresponding ones of the singleton object item instances upon completion of requested calculation by said remote object server.

23. The method of claim 20, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects comprises updating third one or more of the selected ones of the remotely hosted objects with current states of corresponding ones of the singleton object item instances, responsive to storing requests of said application referencing said corresponding ones of the singleton object item instances.

24. The method of claim 20, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects comprises restoring one or more of the singleton object item instances to current states of corresponding ones of the selected ones of the remotely hosted objects, responsive to restoring requests of said application referencing said one or more singleton object item instances.

25. A computing method comprising:

creating for an application one or more singleton object item instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more singleton object item creation requests of said application;

creating for said application one or more object collection instances corresponding to second one or more of the selected ones of said remotely hosted objects, responsive to one or more object collection creation requests of said application;

creating for said application one or more property elements for selected ones of said created object collection instances and said singleton object item instances, responsive to one or more property element creation requests of said application; and

facilitating usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects.

26. The method of claim 25, wherein said facilitating of usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects comprises returning to said application one or more values of one or more of the created property elements of one or more of the created object collection instances and the created singleton object item instances of said selected ones of said remotely hosted objects, responsive to one or more property element value requests of said application.

27. An apparatus comprising:

a storage medium having stored therein a plurality of programming instructions implementing a remote object access facility that, when executed, enable the apparatus to

obtain from a remote object server a schema describing a plurality of objects hosted by the remote object server,

facilitate creation by an application, instances of selected ones of the remotely hosted objects, using the obtained description of the selected objects, and

facilitate usage of the selected ones of the remotely hosted objects by the application through references to the created instances of the selected ones of the remotely hosted objects; and

at least one processor coupled to the storage medium to execute said programming instructions.

28. The apparatus of claim 27, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate creation of instances of said remotely hosted objects, enabling of the apparatus to create for said application one or more object collection instances corresponding to one or more of said selected ones of said remotely hosted objects, responsive to one or more object collection instance creation requests of said application.

29. The apparatus of claim 27, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate creation of instances of said remotely hosted objects, enabling of the apparatus to create for said application one or more singleton object item instances corresponding to one or more of said selected ones of said remotely hosted objects, responsive to one or more singleton object item instance creation requests of said application.

30. The apparatus of claim 27, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate creation of instances of said remotely hosted objects, enabling of the apparatus to create for said application one or more object property elements for one or more of said created objection collection instances and said created singleton object item instances, responsive to one or more object property element creation requests of said application.

31. An apparatus comprising:

a storage medium having stored therein a plurality of programming instructions implementing a remote object access facility that, when executed, enable the apparatus to

create for an application one or more object collection instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more object collection instance creation requests of said application,

create for said application one or more singleton object item instances corresponding to second one or more of the selected ones of said remotely hosted objects as child objects of one or more of said created object collection instances, responsive to one or more singleton object item creation requests of said application, and

facilitate usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects; and

at least one processor coupled to the storage medium to execute said programming instructions.

32. The apparatus of claim 31, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate creation of instances of said remotely hosted objects, enabling of the apparatus to service singleton object item creation requests that are queries against said second one or more of said selected ones of said remotely hosted objects, and to create said singleton object item instances using the results of said queries.

33. An apparatus comprising:

a storage medium having stored therein a plurality of programming instructions implementing a remote object access facility that, when executed, enable the apparatus to

create for an application one or more singleton object item instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more singleton object item creation requests of said application,

create for said application one or more object collection instances corresponding to second one or more of the selected ones of said remotely hosted objects as child objects of one or more of said created singleton object item instances, responsive to one or more object collection instance requests of said application, and

facilitate usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects; and

at least one processor coupled to the storage medium to execute said programming instructions.

34. The apparatus of claim 33, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate usage of the selected ones of said remotely hosted objects, enabling of the apparatus to submit calculation requests to the remote object server to perform calculations involving third one or more of the selected ones of the remote hosted objects, responsive to calculation requests of said application referencing corresponding ones of the singleton object item instances.

35. The apparatus of claim 33, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate usage of the selected ones of said remotely hosted objects, enabling of the apparatus to update third one or more of the selected ones of the remotely hosted objects with current states of corresponding ones of the singleton object item instances, responsive to storing requests of said application referencing said corresponding ones of the singleton object item instances.

36. The apparatus of claim 33, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate usage of the selected ones of said remotely hosted objects, enabling of the apparatus to restore one or more of the singleton object item instances to current states of corresponding ones of the selected ones of the remotely hosted objects, responsive to restoring requests of said application referencing said one or more singleton object item instances.

37. An apparatus comprising:

a storage medium having stored therein a plurality of programming instructions implementing a remote object access facility that, when executed, enable the apparatus to

create for an application one or more singleton object item instances corresponding to first one or more of selected ones of objects hosted by a remote object server, responsive to one or more singleton object item creation requests of said application;

create for said application one or more object collection instances corresponding to second one or more of the selected ones of said remotely hosted objects, responsive to one or more object collection creation requests of said application;

create for said application one or more property elements for selected ones of said created object collection instances and said singleton object item instances, responsive to one or more property element creation requests of said application; and

facilitate usage of the selected ones of the remotely hosted objects by the application through references to the created object collection instances and the created singleton object item instances of the selected ones of the remotely hosted objects; and

at least one processor coupled to the storage medium to execute said programming instructions.

38. The apparatus of claim 37, wherein said remote object access facility, when executed, includes with said enabling of the apparatus to facilitate usage of the selected ones of said remotely hosted objects, enabling of the apparatus to return to said application one or more values of one or more of the created property elements of one or more of the created object collection instances and the created singleton object item instances of said selected ones of said remotely hosted objects, responsive to one or more property element value requests of said application

39. A computing method comprising:

receiving a request from a remote object access facility to establish a user session for a remote user;

in response, establishing said user session for said remote user; and

providing said remote object access facility with a schema describing objects hosted to enable said remote object access facility to facilitate usage of said hosted objects by a remote application of the remote user.

40. The method of claim 39, wherein said schema describes said objects using the extended Markup Language.

41. The method of claim 39, wherein the method further comprises

receiving an access request from said remote object access facility to access a selected one of said hosted objects on behalf of said user;

conditionally servicing said access request based on whether said user is authorized to access the requested object.

42. The method of claim 39, wherein the method further comprises

receiving an operation request from said remote object access facility to perform an operation associated a selected one of said hosted objects on behalf of said user;

conditionally servicing said operation request based on whether said user is authorized to perform said requested operation in association with the selected one of the host objects.

43. An apparatus comprising:

a storage medium having stored therein a plurality of programming instructions implementing an object hosting service that, when executed;

enable the apparatus to

receive a request from a remote object access facility to establish a user session for a remote user,

establish, in response, said user session for said remote user, and

provide said remote object access facility with a schema describing objects hosted to enable said remote object access facility to facilitate usage of said hosted objects by a remote application of the remote user; and

at least one processor coupled to the storage medium to execute said programming instructions.

44. The apparatus of claim 43, wherein the object hosting service, when executed, also enables the apparatus to receive an access request from said remote object access facility to access a selected one of said hosted objects on behalf of said user, and conditionally service said access request based on whether said user is authorized to access the requested object.

45. The apparatus of claim 43, wherein the object hosting service, when executed, also enables the apparatus to receive an operation request from said remote object access facility to perform an operation associated a selected one of said hosted objects on behalf of said user, and conditionally service said operation request based on whether said user is authorized to perform said requested operation in association with the selected one of the host objects.