| | |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.data.redis.core.RedisTemplate; |
| | | import org.springframework.stereotype.Component; |
| | | import org.springframework.util.CollectionUtils; |
| | | |
| | | import java.util.List; |
| | | import java.util.Set; |
| | |
| | | public Long listLen(String key) { |
| | | return redisTemplate.opsForList().size(key); |
| | | } |
| | | |
| | | /** |
| | | * ZADD |
| | | * @param key |
| | | * @param value |
| | | * @param score |
| | | */ |
| | | public Boolean zAdd(String key, Object value, double score) { |
| | | return redisTemplate.opsForZSet().add(key, value, score); |
| | | } |
| | | |
| | | /** |
| | | * ZREM |
| | | * @param key |
| | | * @param value |
| | | */ |
| | | public Boolean zRemove(String key, Object... value) { |
| | | return redisTemplate.opsForZSet().remove(key, value) > 0; |
| | | } |
| | | /** |
| | | * ZRANGE |
| | | * @param key |
| | | * @param start |
| | | * @param end |
| | | * @return |
| | | */ |
| | | public Set<Object> zRange(String key, long start, long end) { |
| | | return redisTemplate.opsForZSet().range(key, start, end); |
| | | } |
| | | |
| | | /** |
| | | * ZRANGE |
| | | * @param key |
| | | * @return |
| | | */ |
| | | public Object zGetMin(String key) { |
| | | Set<Object> objects = zRange(key, 0, 0); |
| | | if (CollectionUtils.isEmpty(objects)) { |
| | | return null; |
| | | } |
| | | return objects.iterator().next(); |
| | | } |
| | | |
| | | /** |
| | | * ZSCORE |
| | | * @param key |
| | | * @param value |
| | | * @return |
| | | */ |
| | | public Double zScore(String key, Object value) { |
| | | return redisTemplate.opsForZSet().score(key, value); |
| | | } |
| | | |
| | | } |