/*
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* Copyright [2020-2030] [https://www.stylefeng.cn]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Guns采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
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*
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* 1.请不要删除和修改根目录下的LICENSE文件。
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* 2.请不要删除和修改Guns源码头部的版权声明。
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* 3.请保留源码和相关描述文件的项目出处，作者声明等。
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* 4.分发源码时候，请注明软件出处 https://gitee.com/stylefeng/guns
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* 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/stylefeng/guns
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* 6.若您的项目无法满足以上几点，可申请商业授权
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*/
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package cn.stylefeng.roses.kernel.cache.redis;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.map.MapUtil;
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import cn.stylefeng.roses.kernel.cache.api.CacheOperatorApi;
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import org.springframework.data.redis.core.RedisTemplate;
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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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* 基于redis的缓存封装
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*
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* @author stylefeng
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* @date 2020/7/9 10:09
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*/
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public abstract class AbstractRedisCacheOperator<T> implements CacheOperatorApi<T> {
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private final RedisTemplate<String, T> redisTemplate;
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public AbstractRedisCacheOperator(RedisTemplate<String, T> redisTemplate) {
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this.redisTemplate = redisTemplate;
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}
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@Override
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public void put(String key, T value) {
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redisTemplate.boundValueOps(calcKey(key)).set(value);
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}
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@Override
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public void put(String key, T value, Long timeoutSeconds) {
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redisTemplate.boundValueOps(calcKey(key)).set(value, timeoutSeconds, TimeUnit.SECONDS);
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}
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@Override
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public T get(String key) {
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return redisTemplate.boundValueOps(calcKey(key)).get();
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}
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@Override
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public void remove(String... key) {
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ArrayList<String> keys = CollectionUtil.toList(key);
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List<String> withPrefixKeys = keys.stream().map(this::calcKey).collect(Collectors.toList());
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redisTemplate.delete(withPrefixKeys);
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}
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@Override
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public void expire(String key, Long expiredSeconds) {
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redisTemplate.boundValueOps(calcKey(key)).expire(expiredSeconds, TimeUnit.SECONDS);
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}
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@Override
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public boolean contains(String key) {
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T value = redisTemplate.boundValueOps(calcKey(key)).get();
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return value != null;
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}
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@Override
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public Collection<String> getAllKeys() {
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Set<String> keys = redisTemplate.keys(getFinalPrefix() + "*");
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if (keys != null) {
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// 去掉缓存key的common prefix前缀
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return keys.stream().map(this::removePrefix).collect(Collectors.toSet());
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} else {
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return CollectionUtil.newHashSet();
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}
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}
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@Override
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public Collection<T> getAllValues() {
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Set<String> keys = redisTemplate.keys(getCommonKeyPrefix() + "*");
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if (keys != null) {
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return redisTemplate.opsForValue().multiGet(keys);
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} else {
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return CollectionUtil.newArrayList();
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}
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}
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@Override
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public Map<String, T> getAllKeyValues() {
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Collection<String> allKeys = this.getAllKeys();
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HashMap<String, T> results = MapUtil.newHashMap();
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for (String key : allKeys) {
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results.put(key, this.get(key));
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}
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return results;
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}
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/**
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* 获取RedisTemplate
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*
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* @author fengshuonan
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* @date 2021/2/8 9:40
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*/
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public RedisTemplate<String, T> getRedisTemplate() {
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return this.redisTemplate;
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}
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}
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