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Method and system for creating and maintaining version-specific properties in a file

  • US 7,849,054 B2
  • Filed: 06/06/2006
  • Issued: 12/07/2010
  • Est. Priority Date: 12/27/2000
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method of providing a file stored in a computer implemented system with version information relating to a replicator application that is independent from an application used to create the file, the method comprising:

  • receiving a request from the replicator application to create a version-specific property that is stored as part of the file, wherein the version-specific property comprises version information relating to the version of the replicator application used to create the version-specific property and wherein the replicator application creates redundant copies of files for back-up or performance purposes;

    creating the version-specific property that is stored as part of the file;

    maintaining the version-specific property to reflect relevant updates to the file by automatically invalidating the version information in response to a predetermined event, wherein the version-specific property comprises mask information providing information related to the predetermined events that invalidate the version information;

    receiving a request from the replicator application to evaluate the version-specific property;

    evaluating the version-specific property; and

    providing the version information to the replicator application in response to the request to evaluate the version-specific property.

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