Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2000-12-29
2003-10-14
Metjahic, Safet (Department: 2171)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000
Reexamination Certificate
active
06633862
ABSTRACT:
BACKGROUND
1. Field of the Invention
This invention relates generally to the field of computer programming. More particularly, the invention relates to a system and method for synchronizing data sharing across multiple interpreted code engines (e.g., Java virtual machines) and/or applications.
2. Description of the Related Art
Java is an object-oriented programming language used to create computer programs which are platform-independent. That is, the same Java object code may be used on numerous different operating systems including Windows 95, Unix, Solaris, and Macintosh; and processors such as Intel® Pentium®-class processors, MIPS processors and AMD Athlon® processors, to name a few. This interoperability makes Java an ideal choice for programming Internet applications.
Once a program is written in Java source code, the Java compiler generates object code in the form of a Java application or applet. Technically, an “applet” is an application configured specifically to run within a Web browser such as Internet Explorer® or Netscape Navigator® (e.g., embedded in-line as objects within Hypertext Markup Language (“HTML”) documents). As illustrated in
FIG. 1
, Java applets and applications
100
are executed by a runtime interpreter residing on the client computer
130
commonly referred to as a Java “virtual machine”
110
. The Java virtual machine
110
interprets the platform-independent program code from the application or applet
100
into code which the native client microprocessor
120
can execute (e.g., x86 instructions in the case of a Pentium®-class processor).
More than one virtual machine and/or Java application/applet may be concurrently executed on a client. One limitation of prior systems, however, is that no built in mechanism exists for sharing data between two or more virtual machines and/or Java applications. Accordingly, what is needed is a system and method for sharing data between multiple virtual machines and/or applications. What is also needed is a system and method for caching data and maintaining data coherency when data is shared between virtual machines and/or applications.
REFERENCES:
patent: 4523206 (1985-06-01), Sasscer
patent: 4530054 (1985-07-01), Hamstra et al.
patent: 4714992 (1987-12-01), Gladney et al.
patent: 4823310 (1989-04-01), Grand
patent: 5293627 (1994-03-01), Kato et al.
patent: 5651113 (1997-07-01), Lin et al.
patent: 5701480 (1997-12-01), Raz
patent: 5799322 (1998-08-01), Mosher, Jr.
patent: 5799323 (1998-08-01), Mosher et al.
patent: 5881229 (1999-03-01), Singh et al.
patent: 5897634 (1999-04-01), Attaluri et al.
patent: 5924096 (1999-07-01), Draper et al.
patent: 5987506 (1999-11-01), Carter et al.
patent: 6170063 (2001-01-01), Golding
patent: 6209090 (2001-03-01), Aisenberg et al.
patent: 6247149 (2001-06-01), Falls et al.
patent: 6285997 (2001-09-01), Carey et al.
patent: 6295541 (2001-09-01), Bodnar et al.
patent: 6327574 (2001-12-01), Kramer et al.
patent: 6418455 (2002-07-01), Horowitz et al.
patent: 6449291 (2002-09-01), Burns et al.
patent: 6539340 (2003-03-01), Robins et al.
patent: PCT/GB96/02977 (1997-06-01), None
IBM Technical Disclosure Bulletin “Solving Time of Day problems when using DB2 Timstamp in Optimistic Lock Implementation”, Jul. 1992, vol. 35, No. 2, p. 420-422.*
IBM Technical Disclosure Bulletin “Shawdow Page Mechanism”, Jun. 1986, vol. 29, No. 1, p. 340-342.*
IBM Technical Disclosure Bulletin “Copying Large Data Objects With Directory Attributes”, May 1993, vol. 36, No. 5, p. 65-68.
Metjahic Safet
Thai Hanh B
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