Source/BladeX-Tool/blade-starter-redis/src/main/java/org/springblade/core/redis/config/BladeRedisCacheAutoConfiguration.java

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/*
 *      Copyright (c) 2018-2028, DreamLu All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: DreamLu å¢æ˜¥æ¢¦ (596392912@qq.com)
 */

package org.springblade.core.redis.config;

import org.springblade.core.jwt.config.JwtRedisConfiguration;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.cache.CacheManagerCustomizers;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.lang.Nullable;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * æ‰©å±•redis-cache支持注解cacheName添加超时时间
 * <p>
 *
 * @author L.cm
 */
@AutoConfiguration(before = JwtRedisConfiguration.class)
@EnableConfigurationProperties(CacheProperties.class)
public class BladeRedisCacheAutoConfiguration {

   /**
    * åºåˆ—化方式
    */
   private final RedisSerializer<Object> redisSerializer;
   private final CacheProperties cacheProperties;
   private final CacheManagerCustomizers customizerInvoker;
   @Nullable
   private final RedisCacheConfiguration redisCacheConfiguration;

   BladeRedisCacheAutoConfiguration(RedisSerializer<Object> redisSerializer,
                            CacheProperties cacheProperties,
                            CacheManagerCustomizers customizerInvoker,
                            ObjectProvider<RedisCacheConfiguration> redisCacheConfiguration) {
      this.redisSerializer = redisSerializer;
      this.cacheProperties = cacheProperties;
      this.customizerInvoker = customizerInvoker;
      this.redisCacheConfiguration = redisCacheConfiguration.getIfAvailable();
   }

   @Primary
   @Bean("redisCacheManager")
   public RedisCacheManager redisCacheManager(RedisConnectionFactory connectionFactory) {
      RedisCacheWriter redisCacheWriter = RedisCacheWriter.nonLockingRedisCacheWriter(connectionFactory);
      RedisCacheConfiguration cacheConfiguration = this.determineConfiguration();
      List<String> cacheNames = this.cacheProperties.getCacheNames();
      Map<String, RedisCacheConfiguration> initialCaches = new LinkedHashMap<>();
      if (!cacheNames.isEmpty()) {
         Map<String, RedisCacheConfiguration> cacheConfigMap = new LinkedHashMap<>(cacheNames.size());
         cacheNames.forEach(it -> cacheConfigMap.put(it, cacheConfiguration));
         initialCaches.putAll(cacheConfigMap);
      }
      boolean allowInFlightCacheCreation = true;
      boolean enableTransactions = false;
      RedisAutoCacheManager cacheManager = new RedisAutoCacheManager(redisCacheWriter, cacheConfiguration, initialCaches, allowInFlightCacheCreation);
      cacheManager.setTransactionAware(enableTransactions);
      return this.customizerInvoker.customize(cacheManager);
   }

   private RedisCacheConfiguration determineConfiguration() {
      if (this.redisCacheConfiguration != null) {
         return this.redisCacheConfiguration;
      } else {
         CacheProperties.Redis redisProperties = this.cacheProperties.getRedis();
         RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
         config = config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer));
         if (redisProperties.getTimeToLive() != null) {
            config = config.entryTtl(redisProperties.getTimeToLive());
         }

         if (redisProperties.getKeyPrefix() != null) {
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
         }

         if (!redisProperties.isCacheNullValues()) {
            config = config.disableCachingNullValues();
         }

         if (!redisProperties.isUseKeyPrefix()) {
            config = config.disableKeyPrefix();
         }

         return config;
      }
   }
}