Examples of MasterMetaData

net.sf.katta.protocol.metadata.MasterMetaData

Examples of net.sf.katta.protocol.metadata.MasterMetaData

    String zkMasterPath = _zkConf.getZkPath(PathDef.MASTER);
    cleanupOldMasterData(masterName, zkMasterPath);


    boolean isMaster;
    try {
      createEphemeral(master, zkMasterPath, new MasterMetaData(masterName, System.currentTimeMillis()));
      isMaster = true;
      LOG.info(masterName + " started as master");
    } catch (ZkNodeExistsException e) {
      registerDataListener(master, new IZkDataListener() {
        @Override

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Examples of net.sf.katta.protocol.metadata.MasterMetaData

    return queue;
  }


  private void cleanupOldMasterData(final String masterName, String zkMasterPath) {
    if (_zkClient.exists(zkMasterPath)) {
      final MasterMetaData existingMaster = _zkClient.readData(zkMasterPath);
      if (existingMaster.getMasterName().equals(masterName)) {
        LOG.warn("detected old master entry pointing to this host - deleting it..");
        _zkClient.delete(zkMasterPath);
      }
    }
  }

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