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Method and apparatus for portable object handles that use local caches

  • US 5,287,507 A
  • Filed: 03/27/1992
  • Issued: 02/15/1994
  • Est. Priority Date: 03/27/1992
  • Status: Expired due to Term
First Claim
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1. In a computer system adapted for using object oriented programming and software caching techniques in a distributed computing environment, a method for a receiving client to use a local cache manager in making reference to a target object, said method comprising the steps of:

  • a) receiving an augmented object handle by said receiving client which comprises a reference to said target object and a reference to a first cache manager;

    b) fabricating a new augmented object handle by replacing said reference to said first cache manager with a reference to a second cache manager local to said receiving client if said first cache manager is not on a same machine as is said receiving client;

    c) fabricating a new augmented object handle by replacing said reference to said first cache manager with a reference to said target object itself if said first cache manager is not on a same machine as is said receiving client and if there is no suitable cache manager available to provide caching services for said target object on said same machine; and

    d) using said new augmented object handle to invoke operations on said target object.

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