code: @Override
      protected Client<RedisQuery> instantiateClient(String persistenceUnit)
      {
          logger.info("instantiating client instance");
          return new RedisClient(this, externalProperties, persistenceUnit, kunderaMetadata);
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.impetus.kundera.loader.GenericClientFactory#instantiateClient(java
  .lang.String)