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

    Modifier and Type
    Method
    Description
    void
    abort(Object decree)
    This is unconditional abort of the previous voting on the decree.
    boolean
    commit(Object decree)
    This is voting on the commiting the decree.
    boolean
    prepare(Object decree)
    This is voting if the decree is acceptable to the party.
  • Method Details

    • prepare

      boolean prepare(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(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(Object decree) throws VoteException
      This is unconditional abort of the previous voting on the decree.
      Throws:
      VoteException - if the listener ignores the abort.