kmall-haikong/kmall-manager/src/main/java/com/kmall/manager/manager/redis/JedisUtil.java

package com.kmall.manager.manager.redis;

import com.google.common.collect.Sets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.Protocol;
import redis.clients.jedis.exceptions.JedisException;

import java.io.Serializable;
import java.util.*;

@Component
public class JedisUtil implements Serializable {
    protected static Logger logger = LoggerFactory.getLogger(JedisUtil.class);

    private static JedisPool jedisPool = null;

    static {
        JedisPoolConfig config = new JedisPoolConfig();
        /*config.setMaxIdle(Integer.parseInt(ResourceUtil.getConfigByName("redis.pool.maxIdle")));
        config.setMaxWaitMillis(Long.parseLong(ResourceUtil.getConfigByName("redis.pool.maxWait")));
        config.setMaxTotal(Integer.parseInt(ResourceUtil.getConfigByName("redis.pool.maxTotal")));
        config.setTestOnBorrow(Boolean.parseBoolean(ResourceUtil.getConfigByName("redis.pool.testOnBorrow")));
        String redisIp = ResourceUtil.getConfigByName("redis.host");
        int port = Integer.parseInt(ResourceUtil.getConfigByName("redis.port"));
        jedisPool = new JedisPool(config, redisIp, port, 10000);*/

        try {
            if (null == JedisPropertiesBuilder.instance()) {
                logger.error("jedis init is error.");
                throw new Exception("jedis init is error.");
            }

            JedisProperties jp = JedisPropertiesBuilder.instance();

            config.setMaxIdle(Integer.parseInt(jp.getPool().getMaxIdle()));

            config.setMaxWaitMillis(Long.parseLong(jp.getPool().getMaxWait()));
            config.setMaxTotal(Integer.parseInt(jp.getPool().getMaxTotal()));
            config.setTestOnBorrow(Boolean.parseBoolean(jp.getPool().getTestOnBorrow()));
            String redisIp = jp.getHost();
            int port = Integer.parseInt(jp.getPort());
            jedisPool = new JedisPool(config, redisIp, port, 10000, jp.getPassword(), Protocol.DEFAULT_DATABASE);

            logger.info("redis连接成功: {}:{}, ", redisIp, port);
        } catch (Exception e) {
            logger.error("init RedisUtils is error");
            e.printStackTrace();
        }
    }

    public static JedisPool getPool() {
        return jedisPool;
    }

    /**
     * 获取缓存
     *
     * @param key 键
     * @return 值
     */
    public static String get(String key) {
        String value = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            if (jedis.exists(key)) {
                value = jedis.get(key);
                value = org.apache.commons.lang.StringUtils.isNotBlank(value) && !"nil".equalsIgnoreCase(value) ? value : null;
                logger.debug("get {} = {}", key, value);
            }
        } catch (Exception e) {
            logger.warn("get {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return value;
    }

    /**
     * 获取缓存
     *
     * @param key 键
     * @return 值
     */
    public static Object getObject(String key) {
        Object value = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            if (jedis.exists(getBytesKey(key))) {
                value = toObject(jedis.get(getBytesKey(key)));
                logger.debug("getObject {} = {}", key, value);
            }
        } catch (Exception e) {
            logger.warn("getObject {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return value;
    }

    /**
     * 设置缓存
     *
     * @param key          键
     * @param value        值
     * @param cacheSeconds 超时时间，0为不超时
     * @return
     */
    public static String set(String key, String value, int cacheSeconds) {
        String result = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.set(key, value);

            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("set {} = {}", key, value);
        } catch (Exception e) {
            logger.warn("set {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 设置缓存（hash），全
     *
     * @param key   键
     * @param map   值
     * @return      结果
     */
    public static String hmset(String key, Map<String, String> map) {
        String result = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hmset(key, map);
            logger.debug("set {} = {}", key, map);
        } catch (Exception e) {
            logger.warn("set {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 设置缓存（hash），单个
     *
     * @param key       键
     * @param entryKey  值
     * @param value     值
     * @return      结果
     */
    public static Long hset(String key, String entryKey, String value) {
        Long result = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hset(key, entryKey, value);
            logger.debug("set {} : {} = {}", key, entryKey, value);
        } catch (Exception e) {
            logger.warn("set {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 删除hash单条
     *
     * @param key       hash key
     * @param entryKey  entry key
     * @return          result
     */
    public static Long hdel(String key, String entryKey) {
        Long result = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hdel(key, entryKey);
            logger.debug("del {} : {}", key, entryKey);
        } catch (Exception e) {
            logger.warn("del {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 获取缓存（hash）
     *
     * @param key       hash的key
     * @param entryKey  子项的key
     * @return 值
     */
    public static String hget(String key, String entryKey) {
        String value = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            if (jedis.exists(getBytesKey(key))) {
                value = new String((jedis.hget(getBytesKey(key), getBytesKey(entryKey))));
                logger.debug("getObject {} = {}", key, value);
            }
        } catch (Exception e) {
            logger.warn("getObject {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return value;
    }

    /**
     * 设置缓存过期时间
     *
     * @param key          键
     * @param cacheSeconds 超时时间，0为不超时
     * @return
     */
    public static void expire(String key, int cacheSeconds) {
        Jedis jedis = null;
        try {
            jedis = getResource();
            if (jedis.exists(getBytesKey(key))) {
                jedis.expire(key, cacheSeconds);
                logger.debug("expire {} = {}", key, cacheSeconds);
            }
        } catch (Exception e) {
            logger.warn("expire {} ", key, e);
        } finally {
            returnResource(jedis);
        }
    }

    /**
     * 设置缓存
     *
     * @param key          键
     * @param value        值
     * @param cacheSeconds 超时时间，0为不超时
     * @return
     */
    public static String setObject(String key, Object value, int cacheSeconds) {
        String result = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.set(getBytesKey(key), toBytes(value));
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setObject {} = {}", key, value);
        } catch (Exception e) {
            logger.warn("setObject {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * key筛选
     *
     * @param pattern
     * @return
     */
    public static Set<String> keys(String pattern) {
        Set<String> result = Sets.newHashSet();
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.keys(pattern);
        } catch (Exception e) {
            logger.warn("pattern {}", pattern, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 获取List缓存
     *
     * @param key 键
     * @return 值
     */
    public static List<String> getList(String key) {
        List<String> value = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            if (jedis.exists(key)) {
                value = jedis.lrange(key, 0, -1);
            }
        } catch (Exception e) {
            logger.warn("getList {}", key, e);

        } finally {
            returnResource(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 = getResource();
            byte[] keybyte = getBytesKey(key);
            if (jedis.exists(keybyte)) {
                List<byte[]> list = jedis.lrange(keybyte, 0, -1);
                value = new ArrayList<>();
                for (byte[] bs : list) {
                    value.add(toObject(bs));
                }
                logger.debug("getObjectList {} ", key, value);
            }
        } catch (Exception e) {
            logger.warn("getObjectList {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return value;
    }

    /**
     * @param keyPrefix
     * @return List<Object>
     * @Description:根据key前缀模糊查询缓存对象
     * @date 2016年9月5日
     * @author zhuliyun
     */
    public static List<Object> getObjectListByKeyPrefix(String keyPrefix) {
        List<Object> value = new ArrayList<>();
        Jedis jedis = null;
        try {
            jedis = getResource();
            Set<String> keys = getKeysByPrefix(keyPrefix);
            if (keys != null && keys.size() > 0) {
                for (String key : keys) {
                    Object object = getObject(key);
                    value.add(object);

                    logger.debug("getObjectList {} ", key, value);
                }

            }
        } catch (Exception e) {
            logger.warn("getObjectList {} ", keyPrefix, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                jedis.del(key);
            }
            result = jedis.rpush(key, (String[]) value.toArray());
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setList {} ", key, value);
        } catch (Exception e) {
            logger.warn("setList {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                jedis.del(key);
            }
            List<byte[]> list = new ArrayList<>();
            for (Object o : value) {
                list.add(toBytes(o));
            }
            result = jedis.rpush(getBytesKey(key), (byte[][]) list.toArray());
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setObjectList {} ", key, value);
        } catch (Exception e) {
            logger.warn("setObjectList {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            result = jedis.rpush(key, value);
            logger.debug("listAdd {} ", key, value);
        } catch (Exception e) {
            logger.warn("listAdd {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            List<byte[]> list = new ArrayList<>();
            for (Object o : value) {
                list.add(toBytes(o));
            }
            result = jedis.rpush(getBytesKey(key), (byte[][]) list.toArray());
            logger.debug("listObjectAdd {} ", key, value);
        } catch (Exception e) {
            logger.warn("listObjectAdd {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                value = jedis.smembers(key);
                logger.debug("getSet {} ", key, value);
            }
        } catch (Exception e) {
            logger.warn("getSet {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return value;
    }

    /**
     * @param keyPrefix
     * @return Set<String>
     * @Description:获取以指定开头前缀的所有Key
     * @date 2016年9月5日
     * @author zhuliyun
     */
    public static Set<String> getKeysByPrefix(String keyPrefix) {
        Set<String> value = null;
        Jedis jedis = null;
        try {
            jedis = getResource();
            value = jedis.keys(keyPrefix + "*");
            logger.debug("getSet {} ", keyPrefix, value);
        } catch (Exception e) {
            logger.warn("getSet {} ", keyPrefix, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                value = new HashSet<Object>();
                Set<byte[]> set = jedis.smembers(getBytesKey(key));
                for (byte[] bs : set) {
                    value.add(toObject(bs));
                }
                logger.debug("getObjectSet {} ", key, value);
            }
        } catch (Exception e) {
            logger.warn("getObjectSet {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                jedis.del(key);
            }
            result = jedis.sadd(key, (String[]) value.toArray());
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setSet {} ", key, value);
        } catch (Exception e) {
            logger.warn("setSet {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                jedis.del(key);
            }
            Set<byte[]> set = new HashSet<byte[]>();
            for (Object o : value) {
                set.add(toBytes(o));
            }
            result = jedis.sadd(getBytesKey(key), (byte[][]) set.toArray());
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setObjectSet {} ", key, value);
        } catch (Exception e) {
            logger.warn("setObjectSet {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            result = jedis.sadd(key, value);
            logger.debug("setSetAdd {} ", key, value);
        } catch (Exception e) {
            logger.warn("setSetAdd {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            Set<byte[]> set = new HashSet<byte[]>();
            for (Object o : value) {
                set.add(toBytes(o));
            }
            result = jedis.rpush(getBytesKey(key), (byte[][]) set.toArray());
            logger.debug("setSetObjectAdd {} ", key, value);
        } catch (Exception e) {
            logger.warn("setSetObjectAdd {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                value = jedis.hgetAll(key);
                logger.debug("getMap {} ", key, value);
            }
        } catch (Exception e) {
            logger.warn("getMap {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                value = new HashMap<String, Object>();
                Map<byte[], byte[]> map = jedis.hgetAll(getBytesKey(key));
                for (Map.Entry<byte[], byte[]> e : map.entrySet()) {
                    value.put(String.valueOf(e.getKey()),
                            toObject(e.getValue()));
                }
                logger.debug("getObjectMap {} ", key, value);
            }
        } catch (Exception e) {
            logger.warn("getObjectMap {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                jedis.del(key);
            }
            result = jedis.hmset(key, value);
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setMap {} ", key, value);
        } catch (Exception e) {
            logger.warn("setMap {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                jedis.del(key);
            }
            Map<byte[], byte[]> map = new HashMap<byte[], byte[]>();
            for (Map.Entry<String, Object> e : value.entrySet()) {
                map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
            }
            result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>) map);
            if (cacheSeconds != 0) {
                jedis.expire(key, cacheSeconds);
            }
            logger.debug("setObjectMap {} ", key, value);
        } catch (Exception e) {
            logger.warn("setObjectMap {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            result = jedis.hmset(key, value);
            logger.debug("mapPut {} ", key, value);
        } catch (Exception e) {
            logger.warn("mapPut {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            Map<byte[], byte[]> map = new HashMap<byte[], byte[]>();
            for (Map.Entry<String, Object> e : value.entrySet()) {
                map.put(getBytesKey(e.getKey()), toBytes(e.getValue()));
            }
            result = jedis.hmset(getBytesKey(key), (Map<byte[], byte[]>) map);
            logger.debug("mapObjectPut {} ", key, value);
        } catch (Exception e) {
            logger.warn("mapObjectPut {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 移除Map缓存中的值
     *
     * @param key    键
     * @param mapKey 值
     * @return
     */
    public static long mapRemove(String key, String mapKey) {
        long result = 0;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hdel(key, mapKey);
            logger.debug("mapRemove {}  {}", key, mapKey);
        } catch (Exception e) {
            logger.warn("mapRemove {} ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 移除Map缓存中的值
     *
     * @param key    键
     * @param mapKey 值
     * @return
     */
    public static long mapObjectRemove(String key, String mapKey) {
        long result = 0;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hdel(getBytesKey(key), getBytesKey(mapKey));
            logger.debug("mapObjectRemove {}  {}", key, mapKey);
        } catch (Exception e) {
            logger.warn("mapObjectRemove {}  ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 判断Map缓存中的Key是否存在
     *
     * @param key    键
     * @param mapKey 值
     * @return
     */
    public static boolean mapExists(String key, String mapKey) {
        boolean result = false;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hexists(key, mapKey);
            logger.debug("mapExists {}  {}", key, mapKey);
        } catch (Exception e) {
            logger.warn("mapExists {}  ", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 判断Map缓存中的Key是否存在
     *
     * @param key    键
     * @param mapKey 值
     * @return
     */
    public static boolean mapObjectExists(String key, String mapKey) {
        boolean result = false;
        Jedis jedis = null;
        try {
            jedis = getResource();
            result = jedis.hexists(getBytesKey(key), getBytesKey(mapKey));
            logger.debug("mapObjectExists {}  {}", key, mapKey);
        } catch (Exception e) {
            logger.warn("mapObjectExists {} ", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(key)) {
                result = jedis.del(key);
                logger.debug("del {}", key);
            } else {
                logger.debug("del {} not exists", key);
            }
        } catch (Exception e) {
            logger.warn("del {}", key, e);
        } finally {
            returnResource(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 = getResource();
            if (jedis.exists(getBytesKey(key))) {
                result = jedis.del(getBytesKey(key));
                logger.debug("delObject {}", key);
            } else {
                logger.debug("delObject {} not exists", key);
            }
        } catch (Exception e) {
            logger.warn("delObject {}", key, e);
        } finally {
            returnResource(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 = getResource();
            result = jedis.exists(key);
            logger.debug("exists {}", key);
        } catch (Exception e) {
            logger.warn("exists {}", key, e);
        } finally {
            returnResource(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 = getResource();
            result = jedis.exists(getBytesKey(key));
            logger.debug("existsObject {}", key);
        } catch (Exception e) {
            logger.warn("existsObject {}", key, e);
        } finally {
            returnResource(jedis);
        }
        return result;
    }

    /**
     * 获取资源
     *
     * @return
     * @throws JedisException
     */
    public static Jedis getResource() throws JedisException {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            // logger.debug("getResource.", jedis);
        } catch (JedisException e) {
            logger.warn("getResource.", e);
            returnBrokenResource(jedis);
            throw e;
        }
        return jedis;
    }

    /**
     * 归还资源
     *
     * @param jedis
     */
    public static void returnBrokenResource(Jedis jedis) {
        if (jedis != null) {

            jedisPool.returnBrokenResource(jedis);
        }
    }

    /**
     * 释放资源
     *
     * @param jedis
     */
    public static void returnResource(Jedis jedis) {
        if (jedis != null) {

            jedisPool.returnResource(jedis);
        }
    }

    /**
     * 获取byte[]类型Key
     *
     * @param object
     * @return
     */
    public static byte[] getBytesKey(Object object) {
        if (object instanceof String) {
            String ob =(String) object;
            return ob.getBytes();
        } else {
            return ObjectUtils.serialize(object);
        }
    }

    /**
     * 获取byte[]类型Key
     *
     * @param key
     * @return
     */
    public static Object getObjectKey(byte[] key) {
        try {
            return String.valueOf(key);
        } catch (UnsupportedOperationException uoe) {
            try {
                return JedisUtil.toObject(key);
            } catch (UnsupportedOperationException uoe2) {
                uoe2.printStackTrace();
            }
        }
        return null;
    }

    public static boolean isBlank(String str) {
        return str == null || "".equals(str.trim());
    }

    /**
     * Object转换byte[]类型
     *
     * @param object
     * @return
     */
    public static byte[] toBytes(Object object) {
        return ObjectUtils.serialize(object);
    }

    /**
     * byte[]型转换Object
     *
     * @param bytes
     * @return
     */
    public static Object toObject(byte[] bytes) {
        return ObjectUtils.unserialize(bytes);
    }
}