Interface TwoPhaseVotingListener

  • All Known Implementing Classes:
    DistributedLockManager

    public interface TwoPhaseVotingListener
    Implementations of this interface can participate in two-phase voting process.
    Author:
    Roman Rokytskyy (rrokytskyy@acm.org)
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void abort​(java.lang.Object decree)
      This is unconditional abort of the previous voting on the decree.
      boolean commit​(java.lang.Object decree)
      This is voting on the commiting the decree.
      boolean prepare​(java.lang.Object decree)
      This is voting if the decree is acceptable to the party.
    • Method Detail

      • prepare

        boolean prepare​(java.lang.Object decree)
                 throws VoteException
        This is voting if the decree is acceptable to the party.
        Returns:
        true if the decree is acceptable.
        Throws:
        VoteException - if the decree type is unknown or listener does not want to vote on it.
      • commit

        boolean commit​(java.lang.Object decree)
                throws VoteException
        This is voting on the commiting the decree.
        Returns:
        true is the decree is commited.
        Throws:
        VoteException - if the decree type is unknown or listener does not want to vote on it.
      • abort

        void abort​(java.lang.Object decree)
            throws VoteException
        This is unconditional abort of the previous voting on the decree.
        Throws:
        VoteException - if the listener ignores the abort.