code: private void populateGFSEntity(EntityMetadata entityMetadata, List entities, GridFSDBFile gfsDBFile)
      {
          Object entity = instantiateEntity(entityMetadata.getEntityClazz(), null);
          handler.getEntityFromGFSDBFile(entityMetadata.getEntityClazz(), entity, entityMetadata, gfsDBFile,
                  kunderaMetadata);
          entities.add(entity);
      }
docs: Populate gfs entity.
  
  @param entityMetadata
  the entity metadata
  @param entities
  the entities
  @param gfsDBFile
  the gfs db file