WO2000017783A3 - Method and apparatus for managing classfiles on devices without a file system - Google Patents

Method and apparatus for managing classfiles on devices without a file system Download PDF

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Publication number
WO2000017783A3
WO2000017783A3 PCT/US1999/020079 US9920079W WO0017783A3 WO 2000017783 A3 WO2000017783 A3 WO 2000017783A3 US 9920079 W US9920079 W US 9920079W WO 0017783 A3 WO0017783 A3 WO 0017783A3
Authority
WO
WIPO (PCT)
Prior art keywords
database
embedded device
classfile
virtual machine
classfiles
Prior art date
Application number
PCT/US1999/020079
Other languages
French (fr)
Other versions
WO2000017783A9 (en
WO2000017783A2 (en
Inventor
Antero Taivalsaari
William Bush
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to AU58007/99A priority Critical patent/AU5800799A/en
Publication of WO2000017783A2 publication Critical patent/WO2000017783A2/en
Publication of WO2000017783A3 publication Critical patent/WO2000017783A3/en
Publication of WO2000017783A9 publication Critical patent/WO2000017783A9/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99934—Query formulation, input preparation, or translation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99937—Sorting

Abstract

The invention provides a method of creating and periodically loading a database of classfiles on a non traditional computer device, such as a PDA (personal digital assistant), cellular telephone, pager, appliances, or other embedded device. A resident Java virtual machine loads classes from this database instead of loading them from a file system. The embedded device is periodically updated by connecting it to a network or computer that includes a classfile source. At this time, records can be added to, or deleted from, the database (where the records are classfiles). The management of the classfile database on the embedded device is independent of the virtual machine on the embedded device. One embodiment of the invention comprises an embedded device with a virtual machine, a classfile database, a database manager, and a remote database loader. The embedded device and virtual machine can function even when not connected to the classfile source.
PCT/US1999/020079 1998-09-21 1999-09-01 Method and apparatus for managing classfiles on devices without a file system WO2000017783A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58007/99A AU5800799A (en) 1998-09-21 1999-09-01 Method and apparatus for managing classfiles on devices without a file system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/158,121 1998-09-21
US09/158,121 US6366898B2 (en) 1998-09-21 1998-09-21 Method and apparatus for managing classfiles on devices without a file system

Publications (3)

Publication Number Publication Date
WO2000017783A2 WO2000017783A2 (en) 2000-03-30
WO2000017783A3 true WO2000017783A3 (en) 2000-07-20
WO2000017783A9 WO2000017783A9 (en) 2000-08-24

Family

ID=22566763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/020079 WO2000017783A2 (en) 1998-09-21 1999-09-01 Method and apparatus for managing classfiles on devices without a file system

Country Status (3)

Country Link
US (1) US6366898B2 (en)
AU (1) AU5800799A (en)
WO (1) WO2000017783A2 (en)

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Also Published As

Publication number Publication date
WO2000017783A9 (en) 2000-08-24
AU5800799A (en) 2000-04-10
US20010044790A1 (en) 2001-11-22
US6366898B2 (en) 2002-04-02
WO2000017783A2 (en) 2000-03-30

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