code: public synchronized void refresh() {
          List<HostConnectionPool<CL>> pools = Lists.newArrayList();
          for (HostConnectionPool<CL> pool : this.pools) {
              if (!pool.isReconnecting()) {
                  pools.add(pool);
              }
          }
          this.activePools.set(strategy.sortAndfilterPartition(pools, prioritize));
      }
docs: Refresh the partition