spring配置jedisSentinelPool实现redis主从切换

application-bean.xml：

<!-- ************************************************************************************* 
		Jedis cache ************************************************************************************* -->
	<util:properties id="redisProps" location="#{T(java.lang.System).getProperty('config.local') != null ? 'classpath:redis.properties' : 'file:////nfs/toc/redis.properties'}" />
	<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
		<property name="maxTotal" value="#{redisProps['${profiles.active}.redis.maxTotal']}" /> <!-- 控制一个pool可分配多少个jedis实例 -->
		<property name="maxIdle" value="#{redisProps['${profiles.active}.redis.maxIdle']}" />   <!-- 控制一个pool最多有多少个状态为idle(空闲)的jedis实例 -->
		<property name="maxWaitMillis" value="#{redisProps['${profiles.active}.redis.maxWaitMillis']}" />  <!-- 表示当borrow一个jedis实例时，最大的等待时间，如果超过等待时间，则直接抛出JedisConnectionException -->
		<property name="testOnBorrow" value="#{redisProps['${profiles.active}.redis.testOnBorrow']}" /> <!-- 在borrow一个jedis实例时，是否提前进行validate操作；如果为true，则得到的jedis实例均是可用的 -->
	</bean>

	<bean id="jedisSentinelPool" class="redis.clients.jedis.JedisSentinelPool">
        <constructor-arg index="0" value="mymaster" />
        <constructor-arg index="1">
            <set>
                <value>#{redisProps['${profiles.active}.redis.sentinel.server.host']}:#{redisProps['${profiles.active}.redis.sentinel.server.port']}</value>
            </set>
        </constructor-arg>
        <constructor-arg index="2" ref="jedisPoolConfig" />
    </bean>

	<bean id="jedisCache" class="com.my.common.cache.redis.JedisCache">
		<property name="jedisSentinelPool" ref="jedisSentinelPool" />
	</bean>

com.my.common.cache.redis.JedisCache：

public class JedisCache implements InitializingBean {

    private JedisSentinelPool jedisSentinelPool;

    public void setJedisSentinelPool(JedisSentinelPool jedisSentinelPool) {
        this.jedisSentinelPool = jedisSentinelPool;
    }

    public void putObject(String key, Object object) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            jedis.set(key.getBytes(), KryoSerializationUtils.serialize(object));
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
    }

    public void putObject(String key, Object object, int expirationInSeconds) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            jedis.setex(key.getBytes(), expirationInSeconds, KryoSerializationUtils.serialize(object));
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
    }

    public Object getObject(String key) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            return (Object) KryoSerializationUtils.deserialize(jedis.get(key.getBytes()));
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
        return null;
    }

    public void removeObject(String key) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            jedis.del(key.getBytes());
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
    }

    public boolean exists(String key) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            return jedis.exists(key.getBytes());
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
        return false;
    }

    public long expire(String key, int expirationInSeconds) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            return jedis.expire(key.getBytes(), expirationInSeconds);
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
        return 0L;
    }

    public Set<String> keys(final String pattern) {
        Jedis jedis = null;
        try {
            jedis = jedisSentinelPool.getResource();
            return jedis.keys(pattern);
        }
        catch (Exception ex) {
            handleException(ex, jedisSentinelPool, jedis);
        }
        finally {
            if (jedis != null && jedis.isConnected()) {
                jedisSentinelPool.returnResource(jedis);
            }
        }
        return null;
    }

    /**
     * 运行时异常，IO异常，销毁jedis对象
     *
     * @param ex
     * @param jedisPool
     * @param jedis
     */
    private void handleException(Exception ex, JedisSentinelPool jedisSentinelPool, Jedis jedis) {
        if (jedis == null)
            throw new NullPointerException("jedis is null");
        if (ex instanceof IOException) {
            jedisSentinelPool.returnBrokenResource(jedis); //销毁该对象
        }
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        Assert.notNull(jedisSentinelPool);
    }
}