Starrier/commons

package org.starrier.common.utils;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import parquet.org.slf4j.Logger;
import parquet.org.slf4j.LoggerFactory;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
 
/**
 * @author imperator
 * @date 2019-09-10
 */
@Component
public class JedisUtil {
 
    private static final Logger LOGGER = LoggerFactory.getLogger(JedisUtil.class);
    @Autowired
    private JedisPool jedisPool;
 
    private Jedis getJedis() {
        return jedisPool.getResource();
    }
 
    /**
     * 设值
     *
     * @param key
     * @param value
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public String set(String key, String value) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.set(key, value);
        } catch (Exception e) {
            LOGGER.error("set key: {} value: {} error", key, value, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 设值
     *
     * @param key
     * @param value
     * @param expireTime 过期时间, 单位: s
     * @return
     */
    public String set(String key, String value, int expireTime) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.setex(key, expireTime, value);
        } catch (Exception e) {
            LOGGER.error("set key:{} value:{} expireTime:{} error", key, value, expireTime, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 设值
     *
     * @param key
     * @param value
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public Long setnx(String key, String value) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.setnx(key, value);
        } catch (Exception e) {
            LOGGER.error("set key:{} value:{} error", key, value, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 取值
     *
     * @param key
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public String get(String key) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.get(key);
        } catch (Exception e) {
            LOGGER.error("get key:{} error", key, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 删除key
     *
     * @param key
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public Long del(String key) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.del(key.getBytes());
        } catch (Exception e) {
            LOGGER.error("del key:{} error", key, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 判断key是否存在
     *
     * @param key
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public Boolean exists(String key) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.exists(key.getBytes());
        } catch (Exception e) {
            LOGGER.error("exists key:{} error", key, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 设值key过期时间
     *
     * @param key
     * @param expireTime 过期时间, 单位: s
     * @return
     */
    public Long expire(String key, int expireTime) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.expire(key.getBytes(), expireTime);
        } catch (Exception e) {
            LOGGER.error("expire key:{} error", key, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    /**
     * 获取剩余时间
     *
     * @param key
     * @return
     */
Similar blocks of code found in 2 locations. Consider refactoring.
    public Long ttl(String key) {
        Jedis jedis = null;
        try {
            jedis = getJedis();
            return jedis.ttl(key);
        } catch (Exception e) {
            LOGGER.error("ttl key:{} error", key, e);
            return null;
        } finally {
            close(jedis);
        }
    }
 
    private void close(Jedis jedis) {
        if (null != jedis) {
            jedis.close();
        }
    }
}