package com.qxueyou.scc.teach.live.utils;
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import org.springframework.data.redis.core.BoundSetOperations;
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import org.springframework.data.redis.core.HashOperations;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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import org.springframework.stereotype.Component;
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import javax.annotation.Resource;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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@SuppressWarnings(value = { "unchecked", "rawtypes" })
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@Component
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public class RedisCache
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{
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@Resource
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public RedisTemplate redisTemplate;
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public Long getIncrValue(String key) {
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return redisTemplate.opsForValue().increment(key, 0l);
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}
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public Long incr(String key) {
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return redisTemplate.opsForValue().increment(key, 1l);
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}
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public void expire(String key, Long timeout, TimeUnit unit) {
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redisTemplate.expire(key, timeout, unit);
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}
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public void delete(String key) {
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redisTemplate.delete(key);
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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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*/
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public <T> void setCacheObject(final String key, final T value)
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{
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redisTemplate.opsForValue().set(key, value);
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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 Integer timeout, final TimeUnit timeUnit)
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{
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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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* @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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{
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return expire(key, timeout, TimeUnit.SECONDS);
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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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* @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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{
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return redisTemplate.expire(key, timeout, unit);
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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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* @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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{
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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 void deleteObject(final String key)
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{
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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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* @return
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*/
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public void deleteObject(final Collection collection)
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{
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redisTemplate.delete(collection);
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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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* @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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{
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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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* @return 缓存键值对应的数据
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*/
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public <T> List<T> getCacheList(final String key)
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{
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return redisTemplate.opsForList().range(key, 0, -1);
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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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* @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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{
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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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{
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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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* 获得缓存的set
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*
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* @param key
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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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{
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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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{
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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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* 缓存Map，并设置有效期
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* @param key 键
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* @param dataMap 键值对
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* @param timeout 时间
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* @param unit 时间单位
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* @param <T>
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*/
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public <T> void setCacheMap(final String key, final Map<String, T> dataMap,long timeout, final TimeUnit unit)
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{
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if (dataMap != null) {
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redisTemplate.opsForHash().putAll(key, dataMap);
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redisTemplate.opsForHash().getOperations().expire(key,timeout,unit);
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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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* @return
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*/
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public <T> Map<String, T> getCacheMap(final String key)
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{
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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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{
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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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* @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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{
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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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* 删除Hash中的数据
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*
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* @param key
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* @param hkey
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*/
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public void delCacheMapValue(final String key, final String hkey)
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{
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HashOperations hashOperations = redisTemplate.opsForHash();
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hashOperations.delete(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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* @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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{
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return redisTemplate.opsForHash().multiGet(key, hKeys);
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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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* @return 对象列表
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*/
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public Collection<String> keys(final String pattern)
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{
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return redisTemplate.keys(pattern);
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}
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}
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