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Technique for managing enterprise JavaBeans (™) which are the target of multiple concurrent and/or nested transactions

  • US 6,298,478 B1
  • Filed: 12/31/1998
  • Issued: 10/02/2001
  • Est. Priority Date: 12/31/1998
  • Status: Expired due to Term
First Claim
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1. Computer-readable media for managing Enterprise JavaBeans (EJBs) and maintaining an integrity of said EJBs in systems which permit access to said EJBs by multiple concurrent and/or nested transactions, said transactions being comprised of one or more subtransactions and said EJBs being comprised of a first instance data part, said computer-readable media embodying computer readable code comprising:

  • a subprocess for creating an independent version of a selected EJB in a view associated with each of a plurality of subtransactions, said version comprising a business logic part, a second instance data part, and version status data, wherein said subprocess for creating further comprises initializing said second instance data part from said first instance data part;

    a subprocess for temporarily making one or more modifications to said first instance data part of said selected EJB, said modifications requested by a selected one of said subtransactions, by making said modifications to said corresponding second instance data part in said independent version in said associated view of said selected subtransaction;

    a subprocess for committing said modifications upon a commit request; and

    a subprocess for performing a rollback of said modifications upon a rollback request.

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