public static Set<HostResponse> getHosts(AmbariManagementController controller,
                                           Set<HostRequest> requests)
      throws AmbariException, NoSuchFieldException, IllegalAccessException {
    HostResourceProvider provider = getHostProvider(controller);
    return provider.getHosts(requests);
  }
Ensure that HostNotFoundException is handled where there are multiple requests as would be the
case when an OR predicate is provided in the query.
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HostResourceProviderTest.java