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Child data structure update in data management system

  • US 8,442,938 B2
  • Filed: 01/14/2005
  • Issued: 05/14/2013
  • Est. Priority Date: 01/14/2005
  • Status: Active Grant
First Claim
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1. A method to update a data structure based on a plurality of parent data structures, at least one of the plurality of parent data structures associated with point data, the method comprising:

  • receiving a notification to update from one of the plurality of parent data structures;

    in response to the notification and prior to updating the data structure, determining that one or more other ones of the plurality of parent data structures is updating;

    prior to updating the data structure, determining if a notification to update has been received from each of the one or more other ones of the plurality of parent data structures; and

    updating the data structure based on data of the one or more of the plurality of parent data structures only if a notification to update has been received from each of the one or more other ones of the plurality of parent data structures.

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