java客户端Jedis操作Redis Sentinel 连接池

时间:2021-03-17 17:30:17

pom配置:

    <dependency>
    <groupId>org.springframework.data</groupId>
    <artifactId>spring-data-redis</artifactId>
    <version>1.0.2.RELEASE</version>
</dependency>
<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>2.7.0</version>
    <type>jar</type>
    <scope>compile</scope>
</dependency>  

java代码:

public class JedisPoolUtil {
     
    private static JedisSentinelPool pool = null;
 
    public static Properties getJedisProperties() {
 
        Properties config = new Properties();
        InputStream is = null;
        try {
            is = JedisPoolUtil.class.getClassLoader().getResourceAsStream("cacheConfig.properties");
            config.load(is);
        } catch (IOException e) {
            logger.error("", e);
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    logger.error("", e);
                }
            }
        }
        return config;
    }
 
    /**
     * 创建连接池
     *
     */
    private static void createJedisPool() {
        // 建立连接池配置参数
        JedisPoolConfig config = new JedisPoolConfig();
        Properties prop = getJedisProperties();
        // 设置最大连接数
        config.setMaxTotal(StringUtil.nullToInteger(prop.getProperty("MAX_ACTIVE")));
        // 设置最大阻塞时间,记住是毫秒数milliseconds
        config.setMaxWaitMillis(StringUtil.nullToInteger(prop.getProperty("MAX_WAIT")));
        // 设置空间连接
        config.setMaxIdle(StringUtil.nullToInteger(prop.getProperty("MAX_IDLE")));
        // jedis实例是否可用
        boolean borrow = prop.getProperty("TEST_ON_BORROW") == "false" ? false : true;
        config.setTestOnBorrow(borrow);
        // 创建连接池
//      pool = new JedisPool(config, prop.getProperty("ADDR"), StringUtil.nullToInteger(prop.getProperty("PORT")), StringUtil.nullToInteger(prop.getProperty("TIMEOUT")));// 线程数量限制,IP地址,端口,超时时间
        //获取redis密码
        String password = StringUtil.nullToString(prop.getProperty("PASSWORD"));
 
         String masterName = "mymaster";
        Set<String> sentinels = new HashSet<String>();
        sentinels.add("192.168.137.128:26379");
        sentinels.add("192.168.137.128:26380");
        sentinels.add("192.168.137.128:26381");
        pool = new JedisSentinelPool(masterName, sentinels, config);
    }
 
    /**
     * 在多线程环境同步初始化
     */
    private static synchronized void poolInit() {
        if (pool == null)
            createJedisPool();
    }
 
    /**
     * 获取一个jedis 对象
     *
     * @return
     */
    public static Jedis getJedis() {
        if (pool == null)
            poolInit();
        return pool.getResource();
    }
 
    /**
     * 释放一个连接
     *
     * @param jedis
     */
    public static void returnRes(Jedis jedis) {
        pool.returnResource(jedis);
    }
 
    /**
     * 销毁一个连接
     *
     * @param jedis
     */
    public static void returnBrokenRes(Jedis jedis) {
        pool.returnBrokenResource(jedis);
    }
     
     
    public static void main(String[] args){
        Jedis jedis=getJedis();
         
    }
 
}