Examples with AuditorVoteFormat org.apache.bookkeeper.proto.DataFormats.AuditorVoteFormat used on opensource projects

Example 1 with AuditorVoteFormat

use of org.apache.bookkeeper.proto.DataFormats.AuditorVoteFormat in project bookkeeper by apache.

the class AuditorElector method getCurrentAuditor.

/**
 * Query zookeeper for the currently elected auditor.
 * @return the bookie id of the current auditor
 */
public static BookieSocketAddress getCurrentAuditor(ServerConfiguration conf, ZooKeeper zk) throws KeeperException, InterruptedException, IOException {
    String electionRoot = conf.getZkLedgersRootPath() + '/' + BookKeeperConstants.UNDER_REPLICATION_NODE + '/' + ELECTION_ZNODE;
    List<String> children = zk.getChildren(electionRoot, false);
    Collections.sort(children, new AuditorElector.ElectionComparator());
    if (children.size() < 1) {
        return null;
    }
    String ledger = electionRoot + "/" + children.get(AUDITOR_INDEX);
    byte[] data = zk.getData(ledger, false, null);
    AuditorVoteFormat.Builder builder = AuditorVoteFormat.newBuilder();
    TextFormat.merge(new String(data, UTF_8), builder);
    AuditorVoteFormat v = builder.build();
    String[] parts = v.getBookieId().split(":");
    return new BookieSocketAddress(parts[0], Integer.parseInt(parts[1]));
}