Automatic build of async index will happen even if mapreduce.framework.name is not set in any configuration

String hbaseClusterDistributedMode = conf.get(QueryServices.HBASE_CLUSTER_DISTRIBUTED_ATTRIB);
        String mapredFrameworkName = conf.get(QueryServices.MAPRED_FRAMEWORK_NAME);
if ((hbaseClusterDistributedMode != null && !hbaseClusterDistributedMode.equals(HBASE_CLUSTER_DISTRIBUTED_CONFIG)) || 
            (mapredFrameworkName != null && !mapredFrameworkName.equals(MAPRED_FRAMEWORK_YARN_CONFIG)))
        {
            LOG.info("Enabling Async Index rebuilder");
            AsyncIndexRebuilderTask asyncIndexRebuilderTask = new AsyncIndexRebuilderTask(e.getEnvironment());
            // run async index rebuilder task every 10 secs to rebuild any newly created async indexes
            executor.scheduleAtFixedRate(asyncIndexRebuilderTask, 10000, rebuildIndexTimeInterval, TimeUnit.MILLISECONDS);
        }