Interface IGroupMappingServiceProvider

    • Method Detail

      • prepare

        void prepare​(Map<String,​Object> topoConf)
        Invoked once immediately after construction.
        Parameters:
        topoConf - Storm configuration
      • getGroups

        Set<String> getGroups​(String user)
                       throws IOException
        Get all various group memberships of a given user. Returns EMPTY list in case of non-existing user.
        Parameters:
        user - User's name
        Returns:
        group memberships of user
        Throws:
        IOException