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Persistent stateful component-based applications via automatic recovery

  • US 7,093,162 B2
  • Filed: 06/29/2004
  • Issued: 08/15/2006
  • Est. Priority Date: 09/04/2001
  • Status: Expired due to Fees
First Claim
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1. A method of providing recovery in a computer system, comprising:

  • intercepting events comprising at least one of a plurality of method calls, component activations, and component deactivations;

    logging the events during execution of stateful piece-wise deterministic (PWD) components having a component state;

    detecting a failure of one of the components based on an error detected during execution;

    replaying the logged events to transparently and automatically recover the component state; and

    verifying that the component state has not already been recovered prior to recovering the component state.

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