<!-- ************************************************************************************* 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); } }