WO1999030226A3 - Apparatus and method for allowing object-oriented programs created with different framework versions to communicate - Google Patents

Apparatus and method for allowing object-oriented programs created with different framework versions to communicate Download PDF

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Publication number
WO1999030226A3
WO1999030226A3 PCT/US1998/025993 US9825993W WO9930226A3 WO 1999030226 A3 WO1999030226 A3 WO 1999030226A3 US 9825993 W US9825993 W US 9825993W WO 9930226 A3 WO9930226 A3 WO 9930226A3
Authority
WO
WIPO (PCT)
Prior art keywords
information
alternate
version
stream
object information
Prior art date
Application number
PCT/US1998/025993
Other languages
French (fr)
Other versions
WO1999030226A2 (en
Inventor
Marc Jablonski
Mark Davis
Original Assignee
Object Tech Licensing Corp
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 Object Tech Licensing Corp filed Critical Object Tech Licensing Corp
Priority to EP98962955A priority Critical patent/EP1038219B1/en
Priority to DE69802839T priority patent/DE69802839T2/en
Priority to JP2000524719A priority patent/JP2001526421A/en
Priority to CA002312814A priority patent/CA2312814C/en
Publication of WO1999030226A2 publication Critical patent/WO1999030226A2/en
Publication of WO1999030226A3 publication Critical patent/WO1999030226A3/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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/541—Interprogram communication via adapters, e.g. between incompatible applications
    • 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
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4488—Object-oriented
    • 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
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99953—Recoverability
    • 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
    • Y10S707/99951—File or database maintenance
    • Y10S707/99952—Coherency, e.g. same view to multiple users
    • Y10S707/99954—Version management

Abstract

A set of stream writer and reader classes and methods enable object frameworks to communicate with each other despite problems with missing classes due to mismatched versions. The stream writers are modified to deal with a new version of a class that extends from a class in an existing version by writing alternate object information compatible with the existing version when the future object class information is streamed. In this manner, alternate object information is written for each older version. The information for each of the alternate objects corresponding to each oder version is added after the existing object information as an extension with the length of the extension written at the beginning. The stream readers are modified so that when an older version stream reader reads the object information and does not understand the first alternate object (which might correspond to a later version), it skips the length specified for that extension and reads the second alternate object. If the second alternate object information is not understood, the reader skips the non-understood object information and continues with each alternate object. If none of the alternates is understood, then an exception is thrown. In one embodiment, the information for alternate objects which are not used is not discarded, but is instead saved in a temporary storage. Then, if the object is streamed out again, the stored information is added back into the stream.
PCT/US1998/025993 1997-12-08 1998-12-08 Apparatus and method for allowing object-oriented programs created with different framework versions to communicate WO1999030226A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP98962955A EP1038219B1 (en) 1997-12-08 1998-12-08 Apparatus and method for allowing object-oriented programs created with different framework versions to communicate
DE69802839T DE69802839T2 (en) 1997-12-08 1998-12-08 DEVICE AND METHOD WHICH OBJECT-ORIENTED PROGRAMS GENERATED FROM DIFFERENT SPECIALTY VERSIONS ARE ALLOWED TO COMMUNICATE
JP2000524719A JP2001526421A (en) 1997-12-08 1998-12-08 Apparatus and method for allowing object oriented programs written in different framework versions to communicate
CA002312814A CA2312814C (en) 1997-12-08 1998-12-08 Apparatus and method for allowing object-oriented programs created with different framework versions to communicate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/986,996 US6272521B1 (en) 1997-12-08 1997-12-08 Apparatus and method for allowing object-oriented programs created with different framework versions to communicate
US08/986,996 1997-12-08

Publications (2)

Publication Number Publication Date
WO1999030226A2 WO1999030226A2 (en) 1999-06-17
WO1999030226A3 true WO1999030226A3 (en) 1999-07-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/025993 WO1999030226A2 (en) 1997-12-08 1998-12-08 Apparatus and method for allowing object-oriented programs created with different framework versions to communicate

Country Status (6)

Country Link
US (1) US6272521B1 (en)
EP (1) EP1038219B1 (en)
JP (1) JP2001526421A (en)
CA (1) CA2312814C (en)
DE (1) DE69802839T2 (en)
WO (1) WO1999030226A2 (en)

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JP3307329B2 (en) * 1998-05-27 2002-07-24 日本電気株式会社 Network configuration managed access system and method
US6848108B1 (en) * 1998-06-30 2005-01-25 Microsoft Corporation Method and apparatus for creating, sending, and using self-descriptive objects as messages over a message queuing network
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US6477701B1 (en) * 1999-09-30 2002-11-05 Seiko Epson Corporation Version-adaptive serialization and deserialization of program objects in an object-oriented environment
US7016922B1 (en) * 2000-04-27 2006-03-21 Autodesk, Inc. Intelligent object versioning
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US6877162B1 (en) * 2000-07-31 2005-04-05 Hewlett-Packard Company Method and system for extendable class-based shared data-types
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US8694504B2 (en) * 2003-03-05 2014-04-08 Spore, Inc. Methods and systems for technology analysis and mapping
US7020666B2 (en) * 2003-03-07 2006-03-28 Microsoft Corporation System and method for unknown type serialization
US7404186B2 (en) * 2003-05-28 2008-07-22 Microsoft Corporation Signature serialization
US7386836B2 (en) * 2003-06-09 2008-06-10 International Business Machines Corporation Maintaining multiple valid concurrent serialized object versions
GB2409735A (en) * 2003-12-30 2005-07-06 Ibm Method and system for change management of interfaces in distributed computer systems
JP2007537512A (en) * 2004-04-30 2007-12-20 マイクロソフト コーポレーション Rule framework to define and execute end user rule logic
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US7774376B1 (en) * 2004-07-30 2010-08-10 Microsoft Corporation Type-system extensions for object-oriented language based on coercive subtyping with restrictions
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US20060195411A1 (en) * 2005-02-28 2006-08-31 Microsoft Corporation End user data activation
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US7756839B2 (en) * 2005-03-31 2010-07-13 Microsoft Corporation Version tolerant serialization
US7904881B2 (en) * 2006-07-26 2011-03-08 Intel Corporation Using a virtual stack for fast and composable stack cutting
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Also Published As

Publication number Publication date
DE69802839T2 (en) 2002-08-01
CA2312814C (en) 2005-06-28
WO1999030226A2 (en) 1999-06-17
EP1038219A2 (en) 2000-09-27
JP2001526421A (en) 2001-12-18
DE69802839D1 (en) 2002-01-17
US6272521B1 (en) 2001-08-07
CA2312814A1 (en) 1999-06-17
EP1038219B1 (en) 2001-12-05

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