Software system with controlled access to objects
US7818798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2006 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Nov 23, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/468
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system configured to intercept method calls placed on an object. By intercepting method calls, processing may be performed on a method call-by-method call basis. As part of the processing, metadata for an object is consulted to partition the methods for that object into subsets. The processing performed in response to any specific method call may be based on the subset to which the method belongs. The type of metadata may depend on the desired operation of the computer system. Metadata representing a white list or black list may be used in a computer system that implements a security zone that allows access to methods deemed to be safe or to deny access to methods deemed to be unsafe. In a performance monitoring system, metadata may identify methods to be logged or methods for which execution cost are to be measured. Values returned by a method call may also be processed when the method calls are intercepted. The returned value may be wrapped with a wrapper that holds data useful in implementing a security zone or for performing other processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.