Package com.arjuna.wst

Interface Participant

All Known Subinterfaces:
Durable2PCParticipant, Volatile2PCParticipant
All Known Implementing Classes:
BridgeDurableParticipant, BridgeVolatileParticipant, Durable2PCStub, ParticipantStub, SubordinateDurable2PCStub, SubordinateVolatile2PCStub, Volatile2PCStub
public interface Participant
The base Participant.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    commit()
    The participant should make permanent the work that it controls.
    void
    error()
    During recovery the participant can enquire as to the status of the transaction it was registered with.
    Vote
    prepare()
    Perform any work necessary to allow it to either commit or rollback the work performed by the Web service under the scope of the transaction.
    void
    rollback()
    The participant should undo the work that it controls.
    void
    unknown()
    During recovery the participant can enquire as to the status of the transaction it was registered with.

  • Method Details

    • prepare

      Vote prepare() throws WrongStateException, SystemException
      Perform any work necessary to allow it to either commit or rollback the work performed by the Web service under the scope of the transaction. The implementation is free to do whatever it needs to in order to fulfill the implicit contract between it and the coordinator.
      Returns:
      an indication of whether it can prepare or not.
      Throws:
      WrongStateException
      SystemException
      See Also:

    • commit

      void commit() throws WrongStateException, SystemException
      The participant should make permanent the work that it controls.
      Throws:
      WrongStateException
      SystemException

    • rollback

      void rollback() throws WrongStateException, SystemException
      The participant should undo the work that it controls. The participant will then return an indication of whether or not it succeeded.
      Throws:
      WrongStateException
      SystemException

    • unknown

      void unknown() throws SystemException
      During recovery the participant can enquire as to the status of the transaction it was registered with. If that transaction is no longer available (has rolled back) then this operation will be invoked by the coordination service.
      Throws:
      SystemException

    • error

      void error() throws SystemException
      During recovery the participant can enquire as to the status of the transaction it was registered with. If an error occurs (e.g., the transaction service is unavailable) then this operation will be invoked.
      Throws:
      SystemException