337 lines
8.7 KiB
Java
337 lines
8.7 KiB
Java
package com.muyu.common.redis;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.*;
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import org.springframework.stereotype.Component;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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import java.util.stream.Collectors;
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/**
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* spring redis 工具类
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*
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* @author muyu
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**/
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@SuppressWarnings(value = {"unchecked", "rawtypes"})
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@Component
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public class RedisService {
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@Autowired
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public RedisTemplate redisTemplate;
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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*/
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public <T> void setCacheObject (final String key, final T value) {
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redisTemplate.opsForValue().set(key, value);
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}
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public SetOperations opsForSet() {
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return redisTemplate.opsForSet();
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}
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public <K, HK, HV> HashOperations<K, HK, HV> opsForHash() {
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return (HashOperations<K, HK, HV>) redisTemplate.opsForHash();
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}
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// 获取缓存集合的方法，返回 List<String>
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public List<String> getCacheSets(String key) {
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// 获取绑定的 Set 操作对象
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BoundSetOperations<String, ?> setOperation = redisTemplate.boundSetOps(key);
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// 获取 Redis 集合中的所有元素，并转换为 List<String>
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Set<?> members = setOperation.members();
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return members.stream()
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.map(Object::toString)
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.collect(Collectors.toList());
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}
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/**
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* 减少序列值
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* @param key
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* @param number
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* @return
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*/
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public Long increment(final String key , Long number){
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return redisTemplate.opsForValue().increment(key,number);
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}
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/**
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* 向 Redis 集合中添加元素
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* @param key Redis 集合的 key
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* @param value 要添加的元素
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* @return 如果元素不存在并成功添加返回 true，如果元素已经存在则返回 false
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*/
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public boolean addToSet(String key, String value) {
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Long added = redisTemplate.opsForSet().add(key, value);
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return added == 1?true:false;
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}
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public ZSetOperations<String, String> opsForZSet() {
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return redisTemplate.opsForZSet();
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}
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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* @param timeout 时间
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* @param timeUnit 时间颗粒度
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*/
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public <T> void setCacheObject (final String key, final T value, final Long timeout, final TimeUnit timeUnit) {
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redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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*
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire (final String key, final long timeout) {
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return expire(key, timeout, TimeUnit.SECONDS);
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}
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public ValueOperations<String, String> opsForValue() {
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return redisTemplate.opsForValue();
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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* @param unit 时间单位
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*
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire (final String key, final long timeout, final TimeUnit unit) {
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return redisTemplate.expire(key, timeout, unit);
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}
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/**
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* 获取有效时间
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*
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* @param key Redis键
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*
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* @return 有效时间
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*/
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public long getExpire (final String key) {
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return redisTemplate.getExpire(key);
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}
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/**
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* 判断 key是否存在
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*
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* @param key 键
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*
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* @return true 存在 false不存在
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*/
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public Boolean hasKey (String key) {
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return redisTemplate.hasKey(key);
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}
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/**
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* 获得缓存的基本对象。
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*
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* @param key 缓存键值
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*
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* @return 缓存键值对应的数据
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*/
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public <T> T getCacheObject (final String key) {
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ValueOperations<String, T> operation = redisTemplate.opsForValue();
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return operation.get(key);
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}
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/**
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* 删除单个对象
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*
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* @param key
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*/
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public boolean deleteObject (final String key) {
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return redisTemplate.delete(key);
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}
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/**
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* 删除集合对象
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*
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* @param collection 多个对象
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*
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* @return
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*/
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public boolean deleteObject (final Collection collection) {
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return redisTemplate.delete(collection) > 0;
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}
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/**
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* 缓存List数据
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*
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* @param key 缓存的键值
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* @param dataList 待缓存的List数据
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*
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* @return 缓存的对象
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*/
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public <T> long setCacheList (final String key, final List<T> dataList) {
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Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
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return count == null ? 0 : count;
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}
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/**
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* 获得缓存的list对象
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*
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* @param key 缓存的键值
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*
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* @return 缓存键值对应的数据
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*/
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public <T> T getCacheList (final String key,Long index) {
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return (T) redisTemplate.opsForList().index(key, index);
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}
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/**
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* 缓存Set
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*
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* @param key 缓存键值
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* @param dataSet 缓存的数据
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*
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* @return 缓存数据的对象
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*/
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public <T> BoundSetOperations<String, T> setCacheSet (final String key, final Set<T> dataSet) {
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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Iterator<T> it = dataSet.iterator();
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while (it.hasNext()) {
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setOperation.add(it.next());
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}
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return setOperation;
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}
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/**
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* 缓存Set
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*
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* @param key 缓存键值
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* @param setValue 缓存的数据
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*
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* @return 缓存数据的对象
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*/
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public <T> BoundSetOperations<String, T> setCacheSets (final String key, final T setValue) {
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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setOperation.add(setValue);
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return setOperation;
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}
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/**
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* 删除set值
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*
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* @param key 缓存键值
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* @param setValue 缓存的数据
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*
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* @return 缓存数据的对象
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*/
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public <T> void deleteCachSet(String key, String setValue) {
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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setOperation.remove(setValue);
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}
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/**
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* 获得缓存的set
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*
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* @param key
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*
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* @return
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*/
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public <T> Set<T> getCacheSet (final String key) {
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return redisTemplate.opsForSet().members(key);
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}
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/**
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* 缓存Map
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*
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* @param key
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* @param dataMap
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*/
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public <T> void setCacheMap (final String key, final Map<String, T> dataMap) {
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if (dataMap != null) {
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redisTemplate.opsForHash().putAll(key, dataMap);
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}
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}
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/**
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* 获得缓存的Map
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*
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* @param key
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*
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* @return
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*/
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public <T> Map<String, T> getCacheMap (final String key) {
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* 往Hash中存入数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @param value 值
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*/
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public <T> void setCacheMapValue (final String key, final String hKey, final T value) {
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redisTemplate.opsForHash().put(key, hKey, value);
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}
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/**
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* 获取Hash中的数据
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*
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* @param key Redis键
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* @param hKey Hash键
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*
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* @return Hash中的对象
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*/
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public <T> T getCacheMapValue (final String key, final String hKey) {
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HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
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return opsForHash.get(key, hKey);
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}
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/**
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* 获取多个Hash中的数据
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*
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* @param key Redis键
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* @param hKeys Hash键集合
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*
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* @return Hash对象集合
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*/
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public <T> List<T> getMultiCacheMapValue (final String key, final Collection<Object> hKeys) {
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return redisTemplate.opsForHash().multiGet(key, hKeys);
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}
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/**
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* 删除Hash中的某条数据
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*
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* @param key Redis键
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* @param hKey Hash键
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*
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* @return 是否成功
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*/
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public boolean deleteCacheMapValue (final String key, final String hKey) {
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return redisTemplate.opsForHash().delete(key, hKey) > 0;
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}
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/**
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* 获得缓存的基本对象列表
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*
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* @param pattern 字符串前缀
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*
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* @return 对象列表
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*/
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public Collection<String> keys (final String pattern) {
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return redisTemplate.keys(pattern);
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}
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public void rightPush(String key, String value) {
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redisTemplate.opsForList().rightPush(key, value);
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}
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public Object leftPopAndRemove(String key) {
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return redisTemplate.opsForList().leftPop(key);
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}
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}
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