io.github.pnoker.common.config.RedisCacheConfig Maven / Gradle / Ivy

/*
 * Copyright 2016-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.github.pnoker.common.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import lombok.Setter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import javax.annotation.Resource;
import java.time.Duration;

/**
 * Redis Cache
 *
 * @author pnoker
 * @since 2022.1.0
 */
@Configuration
@ConfigurationProperties(prefix = "spring.cache.redis")
public class RedisCacheConfig extends CachingConfigurerSupport {

    @Resource
    private RedisConnectionFactory factory;

    @Setter
    private Duration timeToLive;

    /**
     * 自定义缓存 Key 生成策略
     *
     * @return KeyGenerator
     */
    @Bean
    public KeyGenerator firstKeyGenerator() {
        return (target, method, params) -> params[0].toString();
    }

    /**
     * 自定义缓存 Key 生成策略
     *
     * @return KeyGenerator
     */
    @Bean
    public KeyGenerator commonKeyGenerator() {
        final String dot = ".";
        final String hashTag = "#";
        return (target, method, params) -> {
            StringBuilder sb = new StringBuilder();
            sb.append(target.getClass().getName());
            sb.append(dot);
            sb.append(method.getName());
            sb.append(hashTag);
            for (Object obj : params) {
                sb.append(obj.toString());
            }
            return sb.toString();
        };
    }

    /**
     * 自定义 RedisCacheManager 类，主要是设置序列化，解决乱码问题
     *
     * @return CacheManager
     */
    @Bean
    @Override
    public CacheManager cacheManager() {
        RedisCacheManager.RedisCacheManagerBuilder builder = RedisCacheManager.builder(factory);

        // Json 序列化配置
        Jackson2JsonRedisSerializer