Patent · US Active

Method for determining a state associated with a transaction

US8479044B2 · kind B2 · utility

1Cited by
12References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2010
Grant dateJul 2, 2013
Priority date
Expiry dateJul 1, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F16/2343
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A computer implemented method, apparatus, and computer program product for determining a state associated with a transaction for use with a transactional processing system comprising a transaction coordinator and a plurality of grouped and inter-connected resource managers, the method comprising the steps of: in response to a communications failure between the transaction coordinator and a first resource manager causing a transaction to have an in doubt state, connecting to a second resource manager; in response to the connecting step, sending by the transaction coordinator to the second resource manager, a query requesting data associated with the in doubt transaction; obtaining at the first resource manager, by the second resource manager, a shared lock to data associated with the in doubt transaction; and in response to the obtaining step, collating, by the second resource manager, data associated with the in doubt transaction associated with the first resource manager.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.