Queued asynchrounous remote function call dependency management

• US 20070074150A1
• Filed: 08/31/2005
• Published: 03/29/2007
• Est. Priority Date: 08/31/2005
• Status: Active Grant

• Current Assignee: SAP SE
• Original Assignee: SAP AG (SAP SE)
• Inventors: Mueller, Wolfgang, Wiechers, Volker, Becker, Thomas, Zachmann, Guenter, Rehm, Werner, Prestel, Helmut, Blumenthal, Andreas, Hammer, Rolf, Baur, Wolfgang, Roeder, Wolfgang, Baumgarten, Kai, Staszkiewicz, Carl, Jolfaei, Masoud
• Granted Patent: US 7,823,170 B2
• Time in Patent Office: Days
• US Class Current: 717/103
• CPC Class Codes: G06F 2209/484 Precedence
• CPC Class Codes: G06F 2209/541 Client-server
• CPC Class Codes: G06F 9/4881 Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
• CPC Class Codes: G06F 9/54 Interprogram communication

Abstract

A system, computer program product and method of processing function calls in a distributed application environment are provided. A number of function calls for communication from a sending application to a receiving application are queued in a database. Dependencies among at least a portion of the function calls that are being queued are determined while the function calls are stored in the queues. A schedule of execution of the function calls is then generated based on the determined dependencies.

Claims

1. A method of processing function calls in a distributed application environment, the method comprising:

storing a plurality of function calls in one or more queues for communication from a sending application to a receiving application;

determining one or more dependencies among at least a portion of the stored plurality of function calls; and

generating a schedule of execution of the stored plurality of function calls based on the determined dependencies.

2. A method in accordance with claim 1, further comprising communicating data associated with the plurality of function calls from the sending application to the receiving application according to the schedule.

3. A method in accordance with claim 1, further comprising executing one or more functions associated with the plurality of function calls according to the schedule.

4. A method in accordance with claim 3, further comprising communicating, from the sending application to the receiving application, data associated with the one or more executed functions.

5. A method in accordance with claim 1, wherein storing the plurality of function calls further comprises storing data associated with the plurality of function calls.

6. A method in accordance with claim 5, further comprising reading the data associated with the plurality of function calls from the one or more queues according to the schedule.

7. A method in accordance with claim 1, further comprising determining resources needed to execute the plurality of function calls based on the determined dependencies.

8. A method in accordance with claim 7, further comprising allocating the resources needed to execute the plurality of function calls.

9. A computer program product, tangibly embodied in a machine readable medium, comprising instructions operable to:

store a plurality of function calls in one or more queues for communication from a sending application to a receiving application in a distributed application environment;

determine one or more dependencies among at least a portion of the stored plurality of function calls; and

generate a schedule of execution of the stored plurality of function calls based on the one or more dependencies.

10. A computer program product in accordance with claim 9, further comprising instructions operable to communicate data associated with the stored plurality of function calls from the sending application to the receiving application according to the schedule.

11. A computer program product in accordance with claim 9, further comprising instructions operable to execute one or more functions associated with the plurality of function calls according to the schedule.

12. A computer program product in accordance with claim 11, further comprising instructions operable to communicate, from the sending application to the receiving application, data associated with the one or more functions being executed.

13. A computer program product in accordance with claim 9, wherein the instructions operable to store a plurality of function calls for communication from a sending application to a receiving application further comprise instructions operable to store data associated with the plurality of function calls in one or more queues.

14. A computer program product in accordance with claim 13, further comprising instructions operable to read, from the one or more queues according to the schedule, the data associated with the plurality of function calls.

15. A computer program product in accordance with claim 9, further comprising instructions operable to determine resources needed to execute the plurality of function calls based on the determined dependencies.

16. A computer program product in accordance with claim 15, further comprising instructions operable to allocate the resources needed to execute the plurality of function calls.

17. A system for processing function calls in a distributed application environment, the system comprising:

a calling system, comprising;

a database having one or more outbound queues for storing function calls and associated data;

a scheduler configured to determine dependency information among the function calls and associated data while the function calls and associated data are being stored in the outbound queues, the scheduler further configured to generate a schedule of the stored function calls for execution based on the dependency information; and

a background remote function call interface according to which functions associated with the stored function calls are transferred to a receiving application based on the schedule.

18. A system in accordance with claim 17, wherein the calling system further comprising a sending application for generating the function calls and associated data.

19. A system in accordance with claim 17, further comprising a called system having the receiving application and a database with one or more inbound queues for receiving and storing the function calls and associated data.

20. A system in accordance with claim 19, further comprising a second scheduler that manages receipt of the function calls based on the schedule.