RedisPoolFactory

public class RedisPoolFactory {
   private static HashMap<String, JedisPool> poolFactory = new HashMap<String, JedisPool>();

   public static JedisPool getPool(String hostname, int port) {
      String key = hostname + port;
      if (!poolFactory.containsKey(key)) {
         synchronized (RedisPoolFactory.class) {
            if (!poolFactory.containsKey(key)) {
               JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
               //资源池中最大连接数
               jedisPoolConfig.setMaxTotal(200);
               //资源池允许最大空闲的连接数
               jedisPoolConfig.setMaxIdle(30);
               //默认值是-1 表示永不超时 不建议使用
               jedisPoolConfig.setMaxWaitMillis(10000);
               //返回连接时，是否提前进行 validate 操作
               jedisPoolConfig.setTestOnReturn( true );
               jedisPoolConfig.setTestWhileIdle( true );
               JedisPool jedisPool = new JedisPool(jedisPoolConfig, hostname, port, 3000);

               poolFactory.put(key, jedisPool);
            }
         }
      }
      return poolFactory.get(key);
   }
}