docs: function Runner(conf) {
    component.Component.call(this, 'runner', conf);
    var that = this;
    this._default_controller = defaults.controllerfuncname(conf);
    this._dbconn = conf.dbconn;
    this.registerGearman(conf.servers, { client: true });
    this.on('connect', function() {
      that.startPolling();
    });
    this.on('disconnect', function() {
      if (that.db_poll_stop)
        that.db_poll_stop();
    });
  }