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TERMINAL DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT

  • US 20140325271A1
  • Filed: 03/10/2014
  • Published: 10/30/2014
  • Est. Priority Date: 04/26/2013
  • Status: Abandoned Application
First Claim
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1. A terminal device comprising:

  • a memory unit configured to store therein a data element which holds a data container;

    a managing unit configured to perform generation and deletion of a processing unit which executes a transaction for individually manipulating data with respect to the data element and the data container stored in the memory unit;

    a manipulation recording unit configured to, while a transaction is being executed by the processing unit, record manipulation information containing manipulation details with respect to target data for manipulation and identification information which enables transaction identification; and

    at least one of a first detecting unit and a second detecting unit configured to detect presence or absence of competition which may cause a loss in the consistency of data, the first detecting unit detecting competition between manipulation with respect to a data element and manipulation with respect to a data container during an execution state of a transaction as set by the processing unit, and the second detecting unit detecting competition between manipulation with respect to a data element and manipulation with respect to a data container based on the manipulation information during a commit preparation state of a transaction as set by the processing unit, whereinwhen at least either one of the first detecting unit and the second detecting unit detects competition, the processing unit aborts the transaction.

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