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-package com.tzld.piaoquan.ad.engine.commons.redis;
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-import org.slf4j.Logger;
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-import org.slf4j.LoggerFactory;
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-import org.springframework.beans.factory.annotation.Autowired;
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-import org.springframework.beans.factory.annotation.Qualifier;
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-import org.springframework.data.redis.connection.RedisStringCommands;
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-import org.springframework.data.redis.core.RedisCallback;
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-import org.springframework.data.redis.core.RedisTemplate;
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-import org.springframework.data.redis.core.types.Expiration;
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-import org.springframework.data.redis.serializer.RedisSerializer;
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-import org.springframework.stereotype.Component;
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-
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-import java.util.List;
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-import java.util.Map;
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-import java.util.concurrent.TimeUnit;
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- * @author ehlxr
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- */
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-@Component
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-public class RedisHelper {
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- private static final Logger log = LoggerFactory.getLogger(RedisHelper.class);
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-
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-
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- * 解锁 lua 脚本
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- */
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-
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- * 锁前缀
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- */
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- private static final String LOCK_PREFIX = "LOCK_";
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-
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- * 每次重试间隔时间 (毫秒)
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- */
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- private static RedisTemplate<String, String> redisTemplate;
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-
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-
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- * 加锁
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- *
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- * @param timeout 毫秒
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- */
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- * 重试加锁
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- *
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- * @param interval 重试间隔时间
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- */
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- * 解锁
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- */
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- @Autowired
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- public void setRedisTemplate(@Qualifier("redisTemplate") RedisTemplate<String, String> redisTemplate) {
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- RedisHelper.redisTemplate = redisTemplate;
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- }
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-
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- public Object get(String key) {
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- return key == null ? null : redisTemplate.opsForValue().get(key);
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- }
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-
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- public boolean set(String key, String value, long time) {
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- try {
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- if (time > 0) {
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- redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
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- } else {
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- set(key, value);
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- }
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- return true;
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- } catch (Exception e) {
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- e.printStackTrace();
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- return false;
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- }
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- }
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-
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- public boolean set(String key, String value) {
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- try {
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- redisTemplate.opsForValue().set(key, value);
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- return true;
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- } catch (Exception e) {
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- e.printStackTrace();
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- return false;
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- }
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- }
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- public Long incr(String key, long delta) {
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- if (delta < 0) {
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- throw new RuntimeException("递增因子必须大于0");
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- }
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- return redisTemplate.opsForValue().increment(key, delta);
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- }
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- * 根据value从一个set中查询,是否存在
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- *
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- * @param key 键
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- * @param value 值
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- * @return true 存在 false不存在
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- */
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- public Boolean sIsMember(String key, Object value) {
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- try {
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- return redisTemplate.opsForSet().isMember(key, value);
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- } catch (Exception e) {
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- log.error("set has key error", e);
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- return false;
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- }
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- }
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-
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-
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- * 将数据放入set缓存
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- *
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- * @param key 键
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- * @param values 值 可以是多个
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- */
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- public void sSet(String key, String... values) {
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- try {
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- redisTemplate.opsForSet().add(key, values);
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- } catch (Exception e) {
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- log.error("set add is error", e);
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- }
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- }
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- public void leftPushAll(String key, List<String> value) {
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- try {
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- redisTemplate.opsForList().leftPushAll(key, value);
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- } catch (Exception e) {
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- log.error("list left push all error", e);
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- }
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- }
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-
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-
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- * 获取list缓存的内容
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- *
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- * @param key 键
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- * @param start 开始
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- * @param end 结束 0 到 -1代表所有值
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- */
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- public List<String> lGet(String key, long start, long end) {
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- try {
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- return redisTemplate.opsForList().range(key, start, end);
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- } catch (Exception e) {
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- log.error("RedisUtils.lGet.is.error.key={},start={},end={}", key, start, end, e);
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- return null;
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- }
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- }
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-
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-
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- * 获取list缓存的长度
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- */
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- public Long lGetListSize(String key) {
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- try {
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- return redisTemplate.opsForList().size(key);
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- } catch (Exception e) {
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- log.error("get list size error", e);
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- return 0L;
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- }
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- }
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-
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- * 获取某个元素的分数
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- */
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- public Double zScore(String key, String value) {
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- return redisTemplate.opsForZSet().score(key, value);
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- }
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-
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- * 批量添加
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- */
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-
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- * 批量添加 并且设置失效时间
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- */
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- public static int batchSetOrExpire(Map<String, String> map, Long seconds) {
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- RedisSerializer<String> serializer = redisTemplate.getStringSerializer();
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- return redisTemplate.executePipelined((RedisCallback<String>) connection -> {
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- map.forEach((key, value) -> {
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- byte[] keySeria = serializer.serialize(key);
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- byte[] valueSeria = serializer.serialize(value);
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- if (keySeria == null || valueSeria == null) {
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- return;
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- }
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- connection.set(keySeria, valueSeria, Expiration.seconds(seconds), RedisStringCommands.SetOption.UPSERT);
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- });
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- return null;
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- }, serializer).size();
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- }
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-
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- public void put(String key, String value) {
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- redisTemplate.opsForValue().set(key, value);
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- }
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-
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- public void expire(String key, long day) {
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- redisTemplate.expire(key, day, TimeUnit.DAYS);
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- }
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-
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- public boolean SetContain(String key, String value) {
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- return redisTemplate.opsForSet().isMember(key, value);
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- }
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-}
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