jedis工具类
来源：互联网 发布：诲女知之乎读音 编辑：程序博客网 时间：2024/06/05 22:54
public class JedisUtils{ private static final Logger logger = LoggerFactory.getLogger(JedisUtils.class); /** * 私有构造器，防止类的实例化操作 */ private JedisUtils() { } public static JedisSlotBasedConnectionHandler jedisSlotBasedConnectionHandler = SpringUtils.getBean(JedisSlotBasedConnectionHandler.class); /** * 根据键值从Redis中获取字符串值 * @param key 缓存键值 * @return String 缓存数据 */ public static String get(String key) { String value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { value = jedis.get(key); value = StringUtils.isNotBlank(value) && !"nil".equalsIgnoreCase(value) ? value : null; } } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 根据键值及缓存生命周期将指定的字符串写入Redis * @param key 键值 * @param value 字符串数据 * @param cacheSeconds 缓存生命周期 * @return String 写入结果(OK：表示成功，否则失败) */ public static String set(String key, String value, int cacheSeconds) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.set(key, value); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds);// 这里返回的是long，如果为1估计是成功，但具体意义在源码里没有找到注释 } } catch (JedisDataException e) { LoggerUtils.logError(logger, e.getMessage()); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 获取缓存对象 * @param key 键 * @return 值 */ public static Object getObject(String key) { Object value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { value = ObjectUtils.toObject(jedis.get(ObjectUtils.getBytes(key))); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * * @param key * @param object */ public static String setObject(String key, Object value, Integer cacheSeconds) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.set(ObjectUtils.getBytes(key), ObjectUtils.toBytes(value)); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 获取List缓存 * @param key 键 * @return 值 */ public static List<String> getListString(String key) { List<String> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { value = jedis.lrange(key, 0, -1); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 获取List缓存 * @param key 键 * @return 值 */ public static List<Object> getObjectList(String key) { List<Object> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { List<byte[]> list = jedis.lrange(ObjectUtils.getBytes(key), 0, -1); value = Lists.newArrayList(); for (byte[] bs : list) { value.add(ObjectUtils.toObject(bs)); } } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 设置List缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static long setList(String key, List<String> value, int cacheSeconds) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { jedis.del(key); } result = jedis.rpush(key, (String[]) value.toArray()); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 设置List缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static long setObjectList(String key, List<Object> value, int cacheSeconds) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { jedis.del(key); } List<byte[]> list = Lists.newArrayList(); for (Object o : value) { list.add(ObjectUtils.toBytes(o)); } result = jedis.rpush(ObjectUtils.getBytes(key), (byte[][]) list.toArray()); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向List缓存中添加值 * @param key 键 * @param value 值 * @return */ public static long listAdd(String key, String ... value) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.rpush(key, value); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向List缓存中添加值 * @param key 键 * @param value 值 * @return */ public static long listObjectAdd(String key, Object ... value) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); List<byte[]> list = Lists.newArrayList(); for (Object o : value) { list.add(ObjectUtils.toBytes(o)); } result = jedis.rpush(ObjectUtils.getBytes(key), (byte[][]) list.toArray()); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 获取缓存 * @param key 键 * @return 值 */ public static Set<String> getSet(String key) { Set<String> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { value = jedis.smembers(key); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 获取缓存 * @param key 键 * @return 值 */ public static Set<Object> getObjectSet(String key) { Set<Object> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { value = Sets.newHashSet(); Set<byte[]> set = jedis.smembers(ObjectUtils.getBytes(key)); for (byte[] bs : set) { value.add(ObjectUtils.toObject(bs)); } } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 设置Set缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static long setSet(String key, Set<String> value, int cacheSeconds) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { jedis.del(key); } result = jedis.sadd(key, (String[]) value.toArray()); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 设置Set缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static long setObjectSet(String key, Set<Object> value, int cacheSeconds) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { jedis.del(key); } Set<byte[]> set = Sets.newHashSet(); for (Object o : value) { set.add(ObjectUtils.toBytes(o)); } result = jedis.sadd(ObjectUtils.getBytes(key), (byte[][]) set.toArray()); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向Set缓存中添加值 * @param key 键 * @param value 值 * @return */ public static long setSetAdd(String key, String ... value) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.sadd(key, value); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向Set缓存中添加值 * @param key 键 * @param value 值 * @return */ public static long setSetObjectAdd(String key, Object ... value) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); Set<byte[]> set = Sets.newHashSet(); for (Object o : value) { set.add(ObjectUtils.toBytes(o)); } result = jedis.rpush(ObjectUtils.getBytes(key), (byte[][]) set.toArray()); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 获取Map缓存 * @param key 键 * @return 值 */ public static Map<String, String> getMap(String key) { Map<String, String> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { value = jedis.hgetAll(key); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 获取Map缓存 * @param key 键 * @return 值 */ public static Map<String, Object> getObjectMap(String key) { Map<String, Object> value = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { value = Maps.newHashMap(); Map<byte[], byte[]> map = jedis.hgetAll(ObjectUtils.getBytes(key)); for (Map.Entry<byte[], byte[]> e : map.entrySet()) { value.put(new String(e.getKey(), Charset.forName(CharsetConst.CHARSET_UT)), ObjectUtils.toObject(e.getValue())); } } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return value; } /** * 设置Map缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static String setMap(String key, Map<String, String> value, int cacheSeconds) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { jedis.del(key); } result = jedis.hmset(key, value); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 设置Map缓存 * @param key 键 * @param value 值 * @param cacheSeconds 超时时间，0为不超时 * @return */ public static String setObjectMap(String key, Map<String, Object> value, int cacheSeconds) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { jedis.del(key); } Map<byte[], byte[]> map = Maps.newHashMap(); for (Map.Entry<String, Object> e : value.entrySet()) { map.put(ObjectUtils.getBytes(e.getKey()), ObjectUtils.toBytes(e.getValue())); } result = jedis.hmset(ObjectUtils.getBytes(key), (Map<byte[], byte[]>) map); if (cacheSeconds != 0) { jedis.expire(key, cacheSeconds); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向Map缓存中添加值 * @param key 键 * @param value 值 * @return */ public static String mapPut(String key, Map<String, String> value) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.hmset(key, value); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 向Map缓存中添加值 * @param key 键 * @param value 值 * @return */ public static String mapObjectPut(String key, Map<String, Object> value) { String result = null; Jedis jedis = null; try { jedis = getConnection(key); Map<byte[], byte[]> map = Maps.newHashMap(); for (Map.Entry<String, Object> e : value.entrySet()) { map.put(ObjectUtils.getBytes(e.getKey()), ObjectUtils.toBytes(e.getValue())); } result = jedis.hmset(ObjectUtils.getBytes(key), (Map<byte[], byte[]>) map); logger.debug("mapObjectPut {} = {}", key, value); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 移除Map缓存中的值 * @param key 键 * @param value 值 * @return */ public static long mapRemove(String key, String mapKey) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.hdel(key, mapKey); logger.debug("mapRemove {} {}", key, mapKey); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + mapKey + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 移除Map缓存中的值 * @param key 键 * @param value 值 * @return */ public static long mapObjectRemove(String key, String mapKey) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.hdel(ObjectUtils.getBytes(key), ObjectUtils.getBytes(mapKey)); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + mapKey + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 判断Map缓存中的Key是否存在 * @param key 键 * @param value 值 * @return */ public static boolean mapExists(String key, String mapKey) { boolean result = false; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.hexists(key, mapKey); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + mapKey + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 判断Map缓存中的Key是否存在 * @param key 键 * @param value 值 * @return */ public static boolean mapObjectExists(String key, String mapKey) { boolean result = false; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.hexists(ObjectUtils.getBytes(key), ObjectUtils.getBytes(mapKey)); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + mapKey + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 删除缓存 * @param key 键 * @return */ public static long del(String key) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(key)) { result = jedis.del(key); } else { logger.debug("del {} not exists", key); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 删除缓存 * @param key 键 * @return */ public static long delObject(String key) { long result = 0; Jedis jedis = null; try { jedis = getConnection(key); if (jedis.exists(ObjectUtils.getBytes(key))) { result = jedis.del(ObjectUtils.getBytes(key)); logger.debug("delObject {}", key); } else { logger.debug("delObject {} not exists", key); } } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 缓存是否存在 * @param key 键 * @return */ public static boolean exists(String key) { boolean result = false; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.exists(key); logger.debug("exists {}", key); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 缓存是否存在 * @param key 键 * @return */ public static boolean existsObject(String key) { boolean result = false; Jedis jedis = null; try { jedis = getConnection(key); result = jedis.exists(ObjectUtils.getBytes(key)); logger.debug("existsObject {}", key); } catch (JedisHandleException e) { LoggerUtils.logError(logger, key + "===" + e.getMessage()); } finally { releaseConnection(jedis); } return result; } /** * 从Redis集群中根据CRC16算法获取当前key对象的Redis服务器操作对象 * @param key 缓存key值 * @return Jedis Jedis */ private static Jedis getConnection(String key) { Jedis jedis = null; try { jedis = jedisSlotBasedConnectionHandler.getConnectionFromSlot(JedisClusterCRC16.getSlot(key)); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } return jedis; } /** * 释放Redis服务器连接 * @param jedis Jedis */ private static void releaseConnection(Jedis jedis) { try { jedisSlotBasedConnectionHandler.returnConnection(jedis); } catch (JedisHandleException e) { LoggerUtils.logError(logger, e.getMessage()); } }} 0 0
- jedis操作工具类
- Jedis使用工具类
- Jedis使用工具类
- Jedis工具类
- jedis工具类
- jedis 工具类
- jedis 操作工具类
- Jedis工具类分享
- redis客户端之jedis 操作工具类
- redis客户端之jedis 操作工具类
- redis: jedis API使用及工具类
- 基于Java的redis客户端jedis管理类 工具类
- Redis 指南（4）- jedis工具类的封装
- Redis系列学习(四)之jedis工具类
- jedis 连接池工具类具体实现demo。
- Redis Java客户端jedis工具类以及Redis实现的跨jvm的锁
- Redis学习（三）-Java实现基于Jedis+Spring的通用工具类
- Redis Java客户端jedis工具类以及Redis实现的跨jvm的锁
- jsTree学习(二)——简单demo
- 关于获取键盘通知信息的处理
- Qt for Android中ListView上拉加载的实现
- 第一个小程序
- 去掉AndroidStudio中的运行小闪电
- jedis工具类
- 正则表达式总结
- 基于Linux的机房自动化IT运维监控
- Struts2标签 %{ } %{# }详解
- kafka 0.9.0.1 集群安装, 主题消息测试 (一)
- 在CSS中使用expression
- ajax的基本知识整理
- 获取oracle刚插入数据的自增id值
- MapReduce中的常见算法
