System and method for remote object resource management
US5808911A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1997 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | Jun 19, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/0261
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention pertains to a system and method for tracking object references in an object-oriented computing system including a number of independent computing nodes interconnected by a communications link. The reference counting mechanism tracks references to an object at three levels. At a first level, the server handler associated with an object is used to track local references to the object by other user applications within the same domain. At a second level, the inter-process communications facility (i.e., door facility) is used to track object references that are exported to different domains within the same node. At a third level, the kernel object request broker (ORB) is used to track object references that are exported outside the node. When all external object references are released, the ORB notifies the object's server handler of this occurrence. Similarly, the door facility notifies the object's server handler when all inter-domain references have been released. The object's server handler will initiate the appropriate reclamation procedures when it receives notification from the ORB and the door facility and when its own local references have been relinquishe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.