private void shutdownSchedulers() {
    if (renewLease != null) {
      renewLease.shutdown();
    }
    if (leaderBarrierScheduler != null) {
      leaderBarrierScheduler.shutdown();
    }
    if (liveness != null) {
      liveness.shutdown();
    }
    heartbeat.shutdown();
    leaderAlive.shutdown();
    versionUpgrade.shutdown();
  }
Creates an instance of Azure job coordinator, along with references to Azure leader elector, Azure Blob and Azure Table.
@param config User defined config
samza-azure/src/main/java/org/apache/samza/coordinator/AzureJobCoordinator.java