org.jgroups.blocks
Interface VotingListener

All Known Implementing Classes:

TwoPhaseVotingAdapter.TwoPhaseVoteWrapper

public interface VotingListener

Implemetations of this interface are able to participate in voting process.

Author:

Roman Rokytskyy (rrokytskyy@acm.org)

Method Summary

boolean

vote(java.lang.Object decree) Each member is able to vote with true or false messages.

Method Detail

vote

boolean vote(java.lang.Object decree)
             throws VoteException

Each member is able to vote with true or false messages. If the member does not know what to do with the decree it should throw VoteException. Doing this he will be excluded from voting process and will not influence the result.

Parameters:

decree - object representing the decree of current voting.

Throws:

VoteException - if listener does not know the meaning of the decree and wants to be excluded from this voting.