code: @Override
      public void unIndex(Class entityClazz, Object entity, EntityMetadata metadata, MetamodelImpl metamodel)
      {
          // we need not implement this method for Redis because
          // redis automatically removes indexes while performing delete
          logger.warn("Removing index is implicitly managed by RedisClient's unindex method");
      }
docs: /*
  (non-Javadoc)
  
  @see com.impetus.kundera.index.Indexer#unIndex(java.lang.Class,
  java.lang.Object)