@Override
    public void monitor(RedisServer master) {
        connection.sync(RedisCommands.SENTINEL_MONITOR, master.getName(), master.getHost(), 
                                    master.getPort().intValue(), master.getQuorum().intValue());
    }
@Test
    public void testMonitor() {
        Collection<RedisServer> masters = connection.masters();
        RedisServer master = masters.iterator().next();
        master.setName(master.getName() + ":");
        connection.monitor(master);
    }