Github user hanm commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/106#discussion_r115352994 --- Diff: src/java/main/org/apache/zookeeper/server/quorum/QuorumPeer.java --- @@ -930,39 +918,36 @@ protected Election createElectionAlgorithm(int electionAlgorithm){ //TODO: use a factory rather than a switch switch (electionAlgorithm) { - case 0: - le = new LeaderElection(this); - break; - case 1: - le = new AuthFastLeaderElection(this); - break; - case 2: - le = new AuthFastLeaderElection(this, true); - break; - case 3: - qcm = new QuorumCnxManager(this); - QuorumCnxManager.Listener listener = qcm.listener; - if(listener != null){ - listener.start(); - FastLeaderElection fle = new FastLeaderElection(this, qcm); - fle.start(); - le = fle; - } else { - LOG.error("Null listener when initializing cnx manager"); - } - break; - default: - assert false; + case 0: + assert false : "Leader election algorithm type 0 is not supported anymore."; + break; + case 1: + le = new AuthFastLeaderElection(this); + break; + case 2: + le = new AuthFastLeaderElection(this, true); + break; + case 3: + qcm = new QuorumCnxManager(this); + QuorumCnxManager.Listener listener = qcm.listener; + if(listener != null){ + listener.start(); + FastLeaderElection fle = new FastLeaderElection(this, qcm); + fle.start(); + le = fle; + } else { + LOG.error("Null listener when initializing cnx manager"); + } + break; + default: + assert false; } return le; } @SuppressWarnings("deprecation") protected Election makeLEStrategy(){ LOG.debug("Initializing leader election protocol..."); - if (getElectionType() == 0) { - electionAlg = new LeaderElection(this); - } return electionAlg; } --- End diff -- good catch. fixed.
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